Ericsson Network Card W2x Series User Manual

W2x Series  
Fixed Wireless Terminals for WCDMA/HSDPA Mobile Networks  
Technical Product Description  
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3.2.10 SIP (W25 only).........................................................................18  
3.3  
3.4  
USB SERVICES .........................................................................18  
AUTHENTICATION.......................................................................19  
4
TELEPHONY FEATURES (W25 ONLY).................................20  
4.1  
LINE INTERFACE ........................................................................20  
Ringing Signal..........................................................................20  
CLIP, CWI and Voice Mail Alert...............................................20  
Hook Flash...............................................................................20  
UMTS/GSM SUPPLEMENTARY SERVICES ..................................20  
DIAL PROCESS ..........................................................................21  
Dialed Number Modification.....................................................21  
Local Call Prefix.......................................................................21  
Fixed Number Dialing ..............................................................21  
Fax Dialing...............................................................................21  
Supplementary Services..........................................................21  
DTMF TRANSMISSION ...............................................................22  
EMERGENCY CALLS ...................................................................22  
4.1.1  
4.1.2  
4.1.3  
4.2  
4.3  
4.3.1  
4.3.2  
4.3.3  
4.3.4  
4.3.5  
4.4  
4.5  
5
FAX SUPPORT (W25 ONLY)..................................................23  
5.1  
5.2  
5.3  
5.3.1  
5.3.2  
5.3.3  
SIGNALING.................................................................................23  
SECURITY..................................................................................23  
MEDIA STREAM..........................................................................23  
Jitter Buffer...............................................................................23  
Echo Canceller.........................................................................23  
QoS..........................................................................................23  
6
WIRELESS LAN (WLAN)........................................................24  
6.1  
6.2  
6.2.1  
6.2.2  
6.2.3  
SSIDS.......................................................................................24  
WIRELESS SECURITY .................................................................24  
WEP.........................................................................................24  
WPA / WPA2............................................................................24  
Whitelist ...................................................................................24  
7
CONFIGURATION AND MANAGEMENT...............................25  
7.1  
7.2  
7.3  
7.4  
7.4.1  
7.4.2  
7.4.3  
7.4.4  
7.4.5  
WEB USER INTERFACE...............................................................25  
COMMAND LINE INTERFACE........................................................25  
ACCESS CONTROL.....................................................................25  
MANAGEMENT TOOLS ................................................................26  
Software Update ......................................................................26  
System Log..............................................................................26  
Fault Management...................................................................26  
Security Management..............................................................27  
TEMS Investigation Support ....................................................27  
8
SECURITY...............................................................................28  
8.1  
8.2  
8.3  
OPERATOR LOCK.......................................................................28  
PIN LOCK..................................................................................28  
MECHANICAL ANTI-THEFT KIT ....................................................28  
9
REGULATORY APPROVALS ................................................29  
9.1  
9.2  
9.3  
ROHS DIRECTIVE ......................................................................29  
WEEE MARKING .......................................................................29  
SAR..........................................................................................29  
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9.4  
9.5  
ENVIRONMENTAL .......................................................................29  
INTENDED USE ..........................................................................29  
10  
ACRONYMS AND ABBREVIATIONS.....................................30  
4
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1
W2x Series Overview  
1.1  
Introduction  
The Ericsson Fixed Wireless Terminal (FWT) W2x product series is the  
base for Ericsson WCDMA/HSDPA FWTs. The W2x product series is  
based on a platform concept aiming at providing a set of differentiated  
terminals from well-defined technical platforms.  
The W2x product series consist of different types of terminals. Currently  
there are three terminals in the W2x product series:  
Ericsson W20 – Data Terminal  
- W20a for 850/1900 MHz frequency bands  
- W20e for 2100 MHz frequency bands  
Ericsson W21 – Data Terminal  
Ericsson W25 – Data and Voice Terminal  
With WCDMA/HSDPA WAN radio access capability the W2x products are  
well suited to provide broadband data access with data speeds similar to  
fixed line DSL services.  
1.2  
Ericsson W20/W21 - Data Terminal  
The Ericsson W20/W21 provide data capabilities such as data access (e.g.  
Internet) in the respect that it allows multiple computers to be connected to  
the terminal using Ethernet or wireless LAN (WLAN).  
Figure 1 - Overview of Interfaces for the Ericsson W20/W21  
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1.3  
Ericsson W25 – Data and Voice Terminal  
The Ericsson W25 data and voice terminal incorporates the same set of  
data features as the Ericsson W20/W21. Additionally, this model also  
includes voice and fax capabilities over standard analog telephone  
interfaces. A broad range of network services such as Prepaid  
Subscription, CLI (Calling Line Identification), Call Waiting, Call Barring,  
Call Forwarding, Multiparty Conference Calls are supported.  
WCDMS/HSDPA radio access is well suited for combined and efficient data  
and voice transmission over the mobile network.  
Figure 2 - Overview of Interfaces for the Ericsson W25  
1.4  
Ericsson W2x Feature Summary  
The main features of the Ericsson W2x terminals are:  
Multimode broadband WAN connectivity  
WCDMA/HSDPA (850/1900/2100 MHz) as primary access and  
GSM/GPRS/EDGE (850/900/1800/1900 MHz) as fall-back. Peak  
download data rates 1.8 Mbps for Ericsson W20 and 3.6 Mbps for  
the Ericsson W21/W25. (The Ericsson W21/W25 is software  
upgradeable to 7.2 Mbps).  
Four ports Ethernet switch;  
Routing, NAT, ALG, DHCP and DNS Server.  
Two USB 2.0 ports;  
File and printer sharing.  
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Wireless LAN Access Point;  
IEEE 802.11b/g (Wi-Fi)  
Wireless security;  
WEP, WPA-PSK, WPA2-PSK, MAC Association Control.  
Analogue voice services (W25 only);  
Via a telephony line interface with high speech quality.  
Analogue fax services (W25 only);  
Using T.38 Fax over IP protocol.  
Local Administration;  
Built-in web based configuration tool with wizard support.  
SW auto update  
Remote Management Capability  
Via SSH  
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2
Hardware Architecture  
2.1  
Power Supply  
The W2x terminals can be powered from:  
AC Mains via an external AC/DC power adapter (10-28 VDC)  
Battery backup (Ericsson W25).  
2.1.1  
Power Adapter  
The provided power adapter has the following characteristics:  
Input: 100-240V AC, 50-60 Hz, 3 pole AC inlet connector (IEC 320 power  
inlet).  
Output: 12 VDC.  
Power consumption: 7.0 W (typical) and 11.4 W (maximum) for Ericsson  
W20/21 and 9.0 W (typical) and 16.2 W (maximum) for Ericsson W25.  
National power plugs are available for EU, UK, US and AU.  
2.1.2  
Battery Backup (W25 only)  
The Ericsson W25 can be fitted with a rechargeable battery to provide  
redundancy in case of an AC Mains power failure. The battery is available  
as an accessory and is facilitated within the unit. Additionally there is an  
internal battery charger that can recharge the battery.  
2.2  
UMTS/GSM Radio Interfaces  
The W2x terminals support UMTS and GSM/GPRS/EDGE radio interfaces  
where UMTS is the primary interface.  
2.2.1  
UMTS  
The W2x terminals support UMTS 850/1900 MHz and 2100 MHz frequency  
bands.  
The UMTS interface supports the following characteristics:  
WCDMA  
HSDPA Category 11 and 12 (W20)  
HSDPA Category 1-6 and 11 (W21/W25)  
The Ericsson W21/W25 is software upgradeable to 7.2 Mbps which means  
support for HSDPA Category 7 and 8.  
2.2.2  
GPRS/EDGE  
The W2x terminals support GSM/GPRS/EDGE 850/900/1800/1900 MHz  
frequency bands.  
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2.2.3  
HSDPA Throughput Rates  
The peak download speed is rated up to 1.8 Mbps for the Ericsson W20  
and 3.6 Mbps for the Ericsson W21 and Ericsson W25. The peak up-link  
speed is 384 kbps. The rated HSDPA peak download speeds will  
eventually evolve up to 14.4 Mbps with enhanced radio performance  
(increased modulation and coding schemes) according to the table below  
(current W2x rated peak speeds highlighted):  
Category  
(HS-DSCH)  
Peak data rate  
(Mbps)  
No of codes  
(HS-DSCH)  
Modulation  
(16QAM/QPSK)  
Category 1  
1.2  
5
Both  
Category 2  
Category 3  
Category 4  
Category 5  
Category 6  
Category 7  
Category 8  
Category 9  
Category 10  
Category 11  
Category 12  
1.2  
1.8  
1.8  
3.6  
3.6  
7.2  
7.2  
10.7  
14.4  
0.9  
1.8  
5
5
Both  
Both  
Both  
Both  
Both  
Both  
Both  
Both  
Both  
QPSK  
QPSK  
5
5
5
10  
10  
15  
15  
5
5
However peak upload speeds are only possibly with normal usage in a cell  
and with optimal signal conditions. Typical download speeds experienced  
by the users with multiple concurrent voice and data users in the cell,  
ranges from 0.6 Mbps to 1.1 Mbps on average with current W2x series  
radio configuration according to simulations in urban and suburban  
environments. This rate will eventually evolve up to 6-7 Mbps with future  
radio configuration updates of the W2x series.  
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2.2.4  
Data Transmission  
The W2x terminals offer both circuit switched and packet switched of data  
transmission. The table below summarizes typical and theoretical data  
rates:  
Theoretical  
Packet data service max data  
rate  
Typical  
data rate  
Category/  
Multislot class  
Upload  
384 kbps  
Over 300 kbps  
500-800 kbps  
Category  
11 and 12  
HSDPA  
1.8 Mbps  
3.6 Mbps (*)  
Download  
Upload  
1-6 and 11 (*)  
384 kbps  
Over 300 kbps  
Over 300 kbps  
50-60 kbps  
WCDMA  
Download 384 kbps  
Upload 118 kbps  
Multislot  
class 10  
MCS 1-9  
EDGE  
GPRS  
100-130 kbps  
(with bursts  
over 200 kbps)  
Download 236 kbps  
Upload  
43 kbps  
20 kbps  
40 kbps  
Multislot  
class 10  
CS 1-4  
Download 86 kbps  
(*) Applicable for Ericsson W21 and Ericsson W25.  
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2.2.5  
Frequency Bands (W20)  
The Ericsson W20 supports frequency bands as shown in the table below:  
Conducted  
Rx  
sensitivity  
(dBm)  
Conducted  
Transmit  
Power  
Frequencies  
(MHz)  
Band  
(dBm)  
Band I  
UMTS 2100  
Tx: 1920-1980  
Rx: 2110-2170  
< -109  
< -109  
< -109  
< -106  
< -106  
< -106  
< -106  
+23  
+23  
+23  
W20e  
W20a  
Band II  
UMTS 1900  
Tx: 1850-1910  
Rx: 1930-1990  
Band V  
UMTS 850  
Tx: 824-849  
Rx: 869-894  
Tx: 824-849  
Rx: 869-894  
GSM850  
+32 (GMSK)  
+27 (8PSK)  
Tx: 880-915  
Rx: 925-960  
EGSM 900  
DCS 1800  
PCS 1900  
W20a  
and  
W20e  
Tx: 1710-1785  
Rx: 1805-1880  
+29 (GMSK)  
+26 (8PSK)  
Tx: 1850-1910  
Rx: 1930-1990  
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2.2.6  
Frequency Bands (W21/W25)  
The Ericsson W21/W25 support frequency bands as shown in the table  
below:  
Conducted  
Transmit  
Power  
Conducted Rx  
sensitivity  
(dBm)  
Frequencies  
(MHz)  
Band  
(dBm)  
Band I  
UMTS 2100  
Tx: 1920-1980  
Rx: 2110-2170  
< -109  
< -109  
< -110  
< -106  
< -106  
< -106  
< -106  
+23  
+23  
+23  
Band II  
UMTS 1900  
Tx: 1850-1910  
Rx: 1930-1990  
Band V  
UMTS 850  
Tx: 824-849  
Rx: 869-894  
Tx: 824-849  
Rx: 869-894  
GSM850  
+32 (GMSK)  
+27 (8PSK)  
Tx: 880-915  
Rx: 925-960  
EGSM 900  
DCS 1800  
PCS 1900  
Tx: 1710-1785  
Rx: 1805-1880  
+29 (GMSK)  
+26 (8PSK)  
Tx: 1850-1910  
Rx: 1930-1990  
2.2.7  
2.2.8  
2.2.9  
2.2.10  
Standard UMTS/GSM Antenna  
The standard UMTS/GSM antenna is of quarter wave type (omni-directional  
in the horizontal plane), with a gain of 2 dBi. The antenna is penta-band  
supporting the 800/900/1800/1900/2100 MHz frequency bands. It is  
attached directly to the W2x terminals via an SMA antenna connector.  
UMTS/GSM Window Antenna  
The standard UMTS/GSM antenna can be replaced with an UMTS/GSM  
window antenna available as an accessory. This antenna is a penta-band  
antenna operating in the 824-960 and 1710-2170 MHz frequency bands  
with a gain of 2.15 dBi.  
UMTS/GSM Roof Antenna  
The standard UMTS/GSM antenna can be replaced with an UMTS/GSM  
roof antenna available as an accessory. This antenna is a penta-band  
antenna operating in the 824-960 and 1710-2170 MHz frequency bands  
with a gain of 11 dBi with 0.5 dBi variation over specified bands.  
SIM/USIM Interface  
The W2x terminals have a plug-in SIM/USIM card connection.  
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The Ericsson W20e, W21 and W25 support 1.8 and 3V SIM while the  
Ericsson W20a only supports 3V SIM.  
2.3  
Wireless LAN (WLAN) Interface  
The W2x terminals act as wireless Access Point (AP) supporting IEEE  
802.11b/g standards.  
IEEE 802.11b operates in the unlicensed 2.4 GHz band and can  
theoretically achieve 11 Mb/s. Practical throughput, ranges from ~7 Mb/s  
(using UDP) to ~6 Mb/s (using TCP). IEEE 802.11g operates in the same  
band as 802.11b and has a theoretical top speed of 54 Mb/s. In practice,  
throughput around 25 Mb/s is more realistic.  
The transmit power is configurable and is limited to maximum 20 dBm.  
For wireless security the W2x terminals support WEP, WPA-PSK, WPA2-  
PSK and MAC Association Control.  
2.3.1  
Wireless Radio Channels  
The table below shows the IEEE 802.11 channels and their corresponding  
center frequencies:  
Channel Channel  
Geographic Indoor Usage  
Number Frequency  
1
2412 MHz  
US (United States), CA (Canada), ETSI (ETSI  
Countries), SI (Singapore), AS (Australia), NZ  
(New Zealand), SA (South Africa), MA (Malaysia)  
2
3
2417 MHz  
2422 MHz  
2427 MHz  
2432 MHz  
2437 MHz  
2442 MHz  
2447 MHz  
2452 MHz  
2457 MHz  
2462 MHz  
2467 MHz  
2472 MHz  
US, CA, ETSI, SI, AS, NZ, SA, MA  
US, CA, ETSI, SI, AS, NZ, SA, MA  
US, CA, ETSI, SI, AS, NZ, SA, MA  
US, CA, ETSI, SI, AS, NZ, SA, MA  
US, CA, ETSI, SI, AS, NZ, SA, MA  
US, CA, ETSI, SI, AS, NZ, SA, MA  
US, CA, ETSI, SI, AS, NZ, SA, MA  
US, CA, ETSI, SI, AS, NZ, SA, MA  
US, CA, ETSI, SI, AS, NZ, SA, MA  
US, CA, ETSI, SI, AS, NZ, SA, MA  
ETSI, SI, AS, NZ, SA, MA  
4
5
6
7
8
9
10  
11  
12  
13  
ETSI, SI, AS, NZ, SA, MA  
Radio scanning makes the W2x terminals capable of sensing other access  
points of the allowed channel.  
2.3.2  
Internal WLAN Antennas  
The W2x terminals have two internal WLAN antennas (omni-directional).  
The antennas are mounted orthogonally for best performance.  
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2.4  
2.5  
USB Interface  
The W2x terminals include a USB 2.0 Host Controller with two (2) ports  
(type A) supporting both full speed and high-speed. The USB interface  
supports one low power device per port hence the maximum power  
consumption of a device is 100 mA.  
Maximum practical cable length for USB is 5 m.  
Ethernet Interface  
The W2x terminals include an Ethernet switch with four (4) external LAN  
4x10/100BaseTx ports (female RJ45) for connection to PC equipment.  
Each Ethernet port supports rate auto-negotiation and MDI/MDIX auto-  
detection.  
The MDI/MDIX auto detection allows the user to plug in either a straight or  
crossed Ethernet cable regardless of how the other end is connected.  
Maximum cable length for Ethernet is 100 m.  
2.5.1  
Built-in LED indicators  
Each Ethernet connector has two built-in indicators. The left indicator  
shows the speed of data traffic between the W2x terminals and the  
connected client. If the speed is 100 Mbps, the indicator is green. When the  
indicator is unlit, the speed is 10 Mbps.  
The indicator to the right is green when a LAN connection is established  
and flashes to show data traffic activity.  
2.6  
Telephony Interface (W25)  
The Ericsson W25 includes dual POTS interface (FxS). The port marked  
“Phone” is the primary port to be used for making phone calls. The other  
port (marked “Phone/Fax”) is intended for fax machines and  
complementary telephony services.  
The ports are intended for on premises phones and should typically be  
connected to devices within one building. Short loops (max 500) is  
supported.  
The maximum ringing load for each port is 3 REN (corresponding to three  
(3) old fashioned phones with mechanical bells or twenty (20) modern  
phones with electronic ringing).  
Characteristic impedance, gain, current etc of the ports are controlled by  
software. DTMF dialing are supported. The ports have protection to prevent  
the unit to be damaged by ESD (Electro Static Discharge).  
2.7  
Connectors  
The bottom of the W2x terminals includes the connectors as described  
below.  
2.7.1  
W20/W21 Connectors  
The Ericsson W20/W21 is equipped with the following connectors located  
at the bottom of the unit:  
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Text  
Type  
Function  
10-28  
VDC  
Circular  
Standard power inlet for connecting the included  
power supply adapter.  
Reset  
Switch  
A small hole in the housing. Used to restore the  
unit to its factory default configuration.  
USB  
2 x USB-A  
USB connectors, for connecting USB devices to  
the unit, e.g. printer or mass storage.  
LAN 1-4 4 x RJ45  
Ethernet LAN connectors for connecting the unit  
to client PCs or an Ethernet switch/hub.  
2.7.2  
W25 Connectors  
The Ericsson W25 is equipped with the following connectors located at the  
bottom of the unit:  
Text  
Type  
Function  
10-28  
VDC  
Circular  
Standard power inlet for connecting the included  
power supply adapter.  
Reset  
Switch  
2 x USB-A  
RJ11  
A small hole in the housing. Used to restore the  
unit to its factory default configuration.  
USB  
USB connectors, for connecting USB devices to  
the unit, e.g. printer or mass storage.  
Phone  
Phone connector for connecting a standard  
analog phone.  
Phone/  
Fax  
RJ11  
Phone connector for connecting a standard  
analog phone or fax. This port is dedicated for fax  
connection.  
LAN  
4 x RJ45  
Ethernet LAN connectors for connecting the unit  
to client PCs or an Ethernet switch/hub.  
2.8  
LED Indicators  
The front panel of the W2x terminals include the LED indicators as  
described below.  
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2.8.1  
W20/W21 LED Indicators  
The following LED indicators are visible on the front of the Ericsson  
W20/W21:  
Text  
Color  
Function  
Power  
Green  
Unlit  
Power is on.  
Power is off.  
Mobile Network  
Green  
Red  
Flashing  
Unlit  
The UMTS network is available.  
The GSM (GPRS/EDGE) network is available.  
Searching for a connection.  
No connection to the mobile network.  
Internet  
Green  
Unlit  
Connection to Internet established.  
No Internet connection.  
Wireless LAN  
Alarm  
Green  
Unlit  
The Wireless LAN is active.  
The Wireless LAN is inactive.  
Red  
Error. Various error conditions (specified on the  
Overview web page and as an “error” message  
in the syslog). Refer to section 7.4.2 .  
No error.  
Unlit  
2.8.2  
W25 LED Indicators  
The following LED indicators are visible on the front of the Ericsson W25:  
Text  
Color  
Function  
Power  
Green  
Red  
Unlit  
Mains powered.  
Battery powered.  
Power is off.  
Mobile Network  
Green  
Red  
Flashing  
Unlit  
The UMTS network is available.  
The GSM (GPRS/EDGE) network is available.  
Searching for a connection.  
No connection to the mobile network.  
Internet  
Green  
Unlit  
Connection to Internet established.  
No Internet connection.  
Wireless LAN  
Green  
Unlit  
The Wireless LAN is active.  
The Wireless LAN is inactive.  
Message Waiting Green  
Unlit  
New voice mail message(s) received.  
No new voice mail messages.  
Alarm  
Red  
Error. Various error conditions (specified on the  
Overview web page and as an “error” message  
in the syslog). Refer to section 7.4.2 .  
No error.  
Unlit  
16  
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3
Data Features and Function  
3.1  
Layer 2 Functions  
3.1.1  
Bridging LAN and WLAN  
The W2x terminals support bridging/switching traffic between the LAN and  
WLAN interfaces.  
3.1.2  
WLAN Whitelist  
The W2x terminals support WLAN whitelist, also known as “MAC  
Association Control” or “MAC Access List”. Up to 20 WLAN MAC  
addresses can be added to the list and the use of the whitelist is possible to  
enable/disable.  
3.2  
Internet Protocol Services  
The Internet Services in the W2x terminals are based on the Internet  
Protocol version 4 (IPv4).  
3.2.1  
3.2.2  
IP Forwarding  
The W2x terminals support IP forwarding and employs ingress traffic  
filtering on both the LAN and the WAN interfaces.  
DNS  
The W2x terminals include a DNS proxy server which responds to DNS  
requests from the local LAN/WLAN. It contains a small database of local  
host names and addresses supplied by client DHCP requests.  
In addition it also caches requests to remote DNS servers.  
3.2.3  
DHCP Server  
The W2x terminals include a DHCP server for LAN/WLAN interfaces.  
The DHCP server maintains a pool of IP addresses and distributes them to  
LAN/WLAN hosts whenever they are switched on. It also puts the  
hostname, supplied by the client DHCP request, in the local DNS proxy.  
3.2.4  
3.2.5  
SNTP  
The W2x terminals include a SNTP client which provides a way to  
synchronize the device’s own time of day setting with a remote NTP server.  
It is possible to specify up to three (3) different SNTP servers (for fallback).  
NAT  
The W2x terminals support dynamic one-to-many NAT - also known as  
NAPT. NAPT translates the source IP address of the LAN to the public  
WAN IP address. It also changes the source port (UDP or TCP) or the  
ICMP for the WAN to LAN flow. Port translation allows several LAN devices  
to be connected to the WAN through one public IP address.  
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3.2.5.1  
3.2.5.2  
NAT Port Forwarding  
The NAT Port Forwarding feature, sometimes referred to as Virtual Server,  
redirects traffic from the WAN side to a server on the LAN side.  
The Port Forwarding feature requires a public WAN IP address on the W2x  
terminals.  
NAT ALGs  
An ALG enables the transfer of specific application streams through firewall  
policies and NAT. This is enabled by creating dynamic holes in the firewall  
policy and NAT and changing IP addresses in network protocol headers,  
and if a secondary port is required, the ALG will open one.  
The W2x terminals include NAT ALGs for the following protocols:  
FTP  
TFTP  
The included ALGs can be enabled/disabled individually and do not require  
any additional configuration.  
3.2.6  
3.2.7  
IP Quality of Service  
The QoS service in the W2x terminals support the Stochastic Fair Queuing  
(SFQ) scheduling algorithm which makes sure that no single session can  
dominate outgoing bandwidth.  
The QoS feature applies for upstream traffic only.  
UPnP  
The W2x terminals support the UPnP standard with respect to the Internet  
Gateway Device (IGD) profile, used by Microsoft Messenger (among  
others) to configure port forwarding in a NAT router.  
3.2.8  
3.2.9  
VPN Pass-Through  
The W2x terminals support IPSec VPN (Virtual Private Network) pass-  
through.  
PPP Clients  
The W2x terminals include a PPP client for WAN access.  
For authentication both the PAP (Password Authentication Protocol) and  
CHAP (Challenge Handshake authentication Protocol) protocols are  
supported.  
3.2.10  
SIP (W25 only)  
The Ericsson W25 supports the SIP protocol (RFC 3261) for T.38 Fax over  
IP.  
3.3  
USB Services  
The W2x terminals function as a network storage device for LAN hosts  
using SMB/CIFS (as printer and file sharing in Windows).  
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It is possible to have two storage devices or a storage device and a printer  
connected to the W2x terminal at the same time. When an external hub is  
connected, the W2x terminals support connection of up to two storage  
devices and one printer at the same time. Both USB 1.1 and 2.0 (full speed  
and high-speed) are supported.  
3.4  
Authentication  
Authentication towards the UMTS/GSM radio network can be done via  
either PIN code or PPP username and password.  
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4
Telephony Features (W25 only)  
The Ericsson W25 provides analogue voice services via the telephony line  
interface with high speech quality.  
4.1  
Line Interface  
The POTS (FxS) interface can be configured, i.e. impedance, frequency,  
cadence, levels etc.  
DTMF dialing is supported.  
4.1.1  
4.1.2  
Ringing Signal  
It is possible to configure different ringing signals depending on the call  
type.  
The mapping and ring frequency are also configurable.  
CLIP, CWI and Voice Mail Alert  
The Ericsson W25 supports CLIP (Calling Line Identification Presentation)  
service in both on-hook and off-hook state using the DTMF and FSK  
protocols and is also supporting Bellcore standard.  
It is possible to configure a country specific profile for the CLIP services.  
The Ericsson W25 also supports the CWI (Call Waiting Indication) service  
over the POTS interface. If there is a message in the user voice mailbox  
this is indicated by the “Message Waiting” LED and by a special tone  
played in the telephone.  
The “Message Waiting” LED and tone is activated/deactivated by OTA  
SMS messages.  
4.1.3  
Hook Flash  
Hook flash functionality for the POTS interface is supported and  
configurable.  
4.2  
UMTS/GSM Supplementary Services  
The Ericsson W25 supports UMTS/GSM supplementary services as listed  
below. In order to use the services, the operator network must support  
them. Offered supplementary services can only be used with a DTMF  
telephone connected to the unit.  
Calling Line Identification Presentation (CLIP)  
Calling Line Identification Restriction (CLIR)  
Call Forwarding Unconditional  
Call Forwarding on Mobile Subscriber Busy  
Call Forwarding on No Reply  
Call Forwarding on Mobile Subscriber Not Reachable  
Call Waiting  
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Call Hold  
Multi Party Service  
Barring of All Outgoing Calls  
Barring of Outgoing International Calls  
Barring of Outgoing Internal Calls except those directed to the  
Home PLMN Country  
Barring of All Incoming Calls  
Barring of Incoming Calls when Roaming Outside the Home  
PLMN Country.  
4.3  
Dial Process  
The Ericsson W25 supports E.164 numbering. There are three ways to  
indicate that the dialed number sequence is complete:  
Dialing the EON key (e.g. # or *) immediately sends the call.  
An Inter Digit Timer (IDT) is used to check the dialing process.  
A specified number of digits must be dialed before the call is  
placed.  
The EON key is configurable as well as the IDT.  
4.3.1  
Dialed Number Modification  
It is possible to do number modifications, e.g. remove and/or add digits to a  
dialed number.  
The dial plan consists of a pattern string to match dialed digits, and the  
ability to strip, append prefix digits, and/or append suffix digits.  
4.3.2  
4.3.3  
4.3.4  
4.3.5  
Local Call Prefix  
A local prefix can automatically be added to a dialed local number. This is  
useful in places where the PSTN does not require the local prefix in local  
calls.  
Fixed Number Dialing  
Fixed Number Dialing is supported when a SIM providing this service is  
installed. When enabled, only calls to fixed numbers stored on the SIM are  
allowed.  
Fax Dialing  
A local fax call is detected through a unique prefix before the phone  
number. The fax prefix is configurable and is removed before the T.38 call  
is setup.  
Supplementary Services  
The UMTS/GMS supplementary service codes (i.e. #67# etc) is possible to  
configure with a service code of choice, in order to have the same service  
codes as in a fixed network.  
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4.4  
4.5  
DTMF Transmission  
The Ericsson W25 is capable of transmitting DTMF on the radio interface  
as received on the 2W-line interface using message based signaling.  
It is possible to switch of the DTMF message based signaling so that DTMF  
tones go through the voice code.  
The Ericsson W25 supports DTMF digits 0-9 and A&B.  
Emergency Calls  
Emergency calls (i.e. 112 or 911) can always be made, even without a SIM  
card or the correct PIN code. This also applies if the terminal is locked to  
the network by a specific MCC and/or MNC or if the PIN Lock feature is  
enabled.  
The emergency telephone number may differ from country to country. It is  
typically a three-digit number so that it can be easily remembered and  
dialed quickly. Some countries have a different emergency number for each  
of the different emergency services; these often differ only by the last digit.  
Emergency calls have its own dial plan and multiple numbers can be  
configured.  
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5
Fax Support (W25 only)  
To enable Fax support the Ericsson W25 uses the Voice over IP (VoIP)  
protocol called SIP.  
The Ericsson W25 works as a fax gateway between the POTS interface  
and the IP network using the T.38 protocol. The fax machine is connected  
to one of the two POTS interfaces on the Ericsson W25, which is dedicated  
for a fax machine.  
Connected to this fax port is a SIP user agent, which manages and controls  
the media streams by using the SIP protocol towards the SIP server and  
media Gateway.  
5.1  
5.2  
Signaling  
The Ericsson W25 conforms to the SIP protocol (RFC 3261).  
Security  
The Ericsson W25 authenticates towards the VoIP system using the HTTP  
Digest Authentication mechanism.  
5.3  
Media Stream  
To transfer the fax call the T.38 protocol is used.  
5.3.1  
5.3.2  
Jitter Buffer  
To handle latency and jitter the W25 has a jitter buffer.  
Echo Canceller  
To improve the fax transfer, the Ericsson W25 has an echo canceller in  
accordance with G.168.  
5.3.3  
QoS  
The outgoing VoIP related traffic will be prioritized before other traffic from  
the Ericsson W25 to reduce the uplink delay and jitter.  
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6
Wireless LAN (WLAN)  
6.1  
SSIDs  
The W2x terminals support single SSID. This SSID and a unique MAC  
address are broadcasted in the beacon at regular intervals.  
The SSID name can be set (changed) with a maximum length of 32  
alphanumeric characters. It is also possible to configure the SSID to be  
hidden.  
The SSID can be either “open” (no authentication or encryption) or “closed”  
(meaning either WEP or WPA security). See below for security details.  
6.2  
Wireless Security  
Authentication and data encryption are used to restrict access to the  
wireless network. Which authentication and encryption method that should  
be used depends on what is supported by the connecting wireless  
device(s).  
The W2x terminals support the following WLAN security protocols:  
WEP with both 64- and 128-bit key lengths.  
WPA-PSK  
WPA2-PSK  
6.2.1  
6.2.2  
WEP  
WEP enables wireless security using 64-bit or 128-bit data encryption.  
WEP encryption requires a private network key. Each device in the wireless  
network has to be manually configured with this key.  
WPA / WPA2  
WPA is a 256-bit data encryption method with keys that dynamically  
change over time. WPA and its successor WPA 2 are considered to be the  
most reliable security options.  
For user authentication WPA/WPA2 runs a special, easy-to-set-up home  
mode called Pre-Shared Key (PSK) where keys and passphrases are  
manually entered.  
WPA encryption uses the Temporal Key Integrity Protocol (TKIP) while  
WPA2 encryption follows the Advanced Encryption Standard (AES).  
6.2.3  
Whitelist  
A common method of restricting WLAN network access is to specify the  
MAC address(es) in a so called “whitelist” for those computers access are  
granted. Up to 20 MAC addresses for wireless clients can be added to the  
whitelist. This feature does not require any configuration of the clients but  
on the other hand it does not encrypt the traffic like WEP/WPA.  
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7
Configuration and Management  
7.1  
Web User Interface  
The end-user configures the W2x terminals through a web user interface  
(WUI) that is accessible through the LAN and WLAN interfaces.  
The WUI also includes a Configuration Wizard for easy setup of the local  
Internet connection and wireless network.  
7.2  
7.3  
Command Line Interface  
The CLI is mainly intended for operator service personnel handling tasks  
like storing/exchanging configuration files and for maintenance purpose (i.e.  
fault location and tracing).  
Remote access to the CLI is possible using SSH2 and local access through  
Telnet.  
Access Control  
The access control in the W2x terminals is applicable for all interfaces, i.e.  
CLI, WUI and remote management.  
Multiple users and groups are supported and each user has its own  
username and password and is a member of one or several groups.  
By default there are three accounts available, where:  
The end-user (user-id user), using the WUI, is allowed to access  
functions and configuration parameters related to WAN  
authentication, LAN settings, NAT and port forwarding, WLAN  
access point and USB file sharing.  
This account can only be used when accessing the WUI and has  
no access rights to the CLI.  
The operator (user-id operator), using the CLI, in addition to the  
end-user privileges also is allowed to access additional WAN and  
telephony related configuration parameters and trouble shooting.  
An administrator account (user-id root), using the CLI, has full  
permissions.  
Each configuration parameter has an access control specification  
determining what action (read or write) the user/group is allowed to  
perform.  
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7.4  
Management Tools  
7.4.1  
Software Update  
The W2x terminals run Linux OS on an Intel hardware platform. The flash  
file system is formatted as two partitions, each capable of holding a  
complete software image. If a software update process should get  
interrupted, e.g. power failure during the update process, there is always a  
last known good firmware image to boot from.  
7.4.1.1  
7.4.1.2  
Manual Software Update  
Manual software updates is supported from FTP or HTTP(S) servers. It is  
also possible to upgrade the software via a browser button in the WUI from  
a local computer.  
Automatic Software Update  
Automatic software updates from Ericsson’s update server are supported.  
In this case, the W2x terminals will at regular intervals poll the update  
server for updates. If there is an image available a download and upgrade  
process is initiated.  
7.4.1.3  
Backup and Restore Configuration  
By using the WUI, the end-user can backup and restore configuration files  
to/from a local PC.  
7.4.2  
System Log  
The W2x terminals include a system log accessible both from the CLI and  
WUI as a text file.  
The system logging information is written to 5 files which are rotated in a  
circular fashion. The files are limited to 200Kbytes each, which equals a  
maximum of 1 MB total logging information. The files are not saved to flash  
and will be lost when rebooting or when power is disconnected.  
When persistent logging is enabled, the log files are written to flash  
memory in two files alternately.  
Different levels of logging (Emergency, Alert, Critical, Error, Warning,  
Notice, Info and Debug) can be set depending on how much information is  
desired.  
The syslog events can be saved to a local file or forwarded to remote  
syslog server.  
7.4.2.1  
BSD Syslog Remote Logging  
The W2x terminals are able to distribute none, some or all system log  
events using the BSD Syslog message format on UDP.  
7.4.3  
Fault Management  
If an error condition occurs, the “Alarm” LED on the unit is lit (red) and the  
corresponding cause is displayed in the WUI (on the Overview page). An  
event message with severity level “Error” is also generated in the syslog.  
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Events that generate an alarm are such that make it impossible to send or  
receive data, e.g. SIM card missing.  
7.4.3.1  
Interface Status and Statistics  
The following status/statistics information can be displayed from the WUI as  
well as from the CLI:  
WAN interface  
The mobile network (UMTS or GSM) signal  
quality. (*)  
Link status: up/down  
The protocol/mode used for the connection.  
The mobile network currently used for the  
connection (HSDPA, UMTS, GPRS, EDGE).  
Name of the mobile network operator.  
The current state of the mobile network  
registration.  
WAN IP address  
DNS IP address(es)  
Total transmitted/received bytes and packets  
Amount of error/dropped/overrun packets  
LAN IP address and subnet mask  
DHCP server IP address range and lease time  
Port status (up/down) for each physical LAN  
port  
LAN interface  
Total transmitted/received bytes and packets  
Current associations (MAC address)  
Current successful authenticated associations  
(MAC address and state)  
WLAN interface  
(*) The visual signal quality bars are not only based on signal strength  
(RSCP). It also takes the EC/I0 (energy to noise and interference ratio),  
since the bandwidth is depended on both values. The CQI (Channel Quality  
Indicator) value is also visible from the CLI during a HSDPA connection.  
7.4.4  
7.4.5  
Security Management  
All invalid login attempts are recorded in the System Log.  
When attempting to log in remotely via SSH or locally via Telnet, the user is  
given three login attempts and then the session is ended.  
TEMS Investigation Support  
The W2x terminals support TEMS Investigation. TEMS Investigation is the  
industry-leading tool for troubleshooting, verification, optimization, and  
maintenance of mobile networks.  
TEMS Investigation connects to the W2x terminals via a virtual serial port  
on a computer to the W2x over the Ethernet interface. The computer that  
runs the TEMS investigation tool needs a virtual serial driver as well.  
For further information about TEMS Investigation, see the following link:  
shtml  
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8
Security  
The basic security feature of the W2x terminals are the same as any GSM  
phone, using a PIN code that comes with the subscription SIM card. The  
PIN code is simply entered via the WUI. To simplify usage, the W2x  
terminals have an auto PIN feature that requires the PIN code only to be  
entered the first time the unit is used or upon changing the SIM card.  
Additionally the W2x terminals provide security features that prevent  
unauthorized use of the SIM card and the unit, which can be customized if  
required.  
8.1  
Operator Lock  
This feature controls the W2x terminals network access, based on whether  
the SIM matches one or more of the following criteria:  
Mobile Country Code (MCC) and Mobile Network Code (MNC)  
Additional Mobile Country Code (MCC+) and Additional Mobile  
Network Code (MNC+)  
MCCs are defined in ITU E.212 (“Land Mobile Numbering Plan”) for use in  
identifying mobile stations in wireless telephone networks, particularly GSM  
and UMTS networks. A MCC is often used in combination with a Mobile  
Network Code (MNC) in order to uniquely identify a network operator.  
Both the MCC and MNC are part of the International Mobile Subscriber  
Identity (IMSI) number, which uniquely identifies a particular subscriber,  
and is stored on the SIM card.  
The unit can be locked to one or two specific mobile network providers.  
8.2  
8.3  
PIN Lock  
This feature locks the SIM card to a unique unit by changing the PIN code  
to a new randomly value. As a result, the SIM card cannot be used in  
another terminal unless the PUK code is known.  
Mechanical Anti-Theft Kit  
A mechanical anti-theft kit is available as an accessory. The kit consists of  
a wall bracket with an anti-theft detail and a special anti-theft key for  
removing a unit that is locked to the wall bracket.  
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9
Regulatory Approvals  
The W2x terminals are certified with EU Directives for the CE mark, Safety  
approvals, EMC and Radio Spectrum approvals and RF Exposure  
approvals for the following markets:  
EU  
USA  
Canada  
Australia  
New Zealand  
Malaysia  
South Africa  
Singapore.  
9.1  
9.2  
RoHS Directive  
The W2x terminals meet the requirements of the RoHS directive.  
WEEE Marking  
The W2x terminals meet the requirements in the WEEE directive and are  
marked accordingly.  
9.3  
9.4  
SAR  
SAR (Specific Absorption Rate) measurements are performed on the W2x  
terminals to establish compliance with national and international RF limits.  
Environmental  
The W2x terminals meet the following requirements for operational  
condition:  
Temperature: 0oC to +50oC.  
Humidity: 5% to 95% RH, non-condensing.  
9.5  
Intended Use  
The W2x terminals are intended for indoor private and public use.  
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10  
Acronyms and Abbreviations  
ALG  
FWT  
Application Layer Gateway  
Fixed Wireless Terminal  
AES  
G3  
Advanced Encryption Standard  
Group 3 (Fax protocol)  
AP  
GMSK  
Access Point  
Gaussian Minimum Shift Keying data transmit  
APN  
GPRS  
Access Point Name  
General Packet Radio Service  
CDMA  
GSM  
Code Division Multiple Access  
Global System for Mobile Communication  
CHAP  
HSDPA  
Challenge Handshake Authentication  
Protocol  
High Speed Downlink Packet Access  
IDT  
CLI  
Inter Digit Time  
Command Line Interface  
IMSI  
CLI  
International Mobile Subscriber Identity  
Calling Line Identification  
IP  
CLIP  
Internet Protocol  
Calling Line Identification Presentation  
IPv4  
CLIR  
Internet Protocol version 4  
Calling Line Identification Restriction  
LAN  
CWI  
Local Area Network  
Call Waiting Indication  
LED  
DHCP  
Light Emitting Diode  
Dynamic Host Configuration Protocol  
MCC  
DNS  
Mobile Country Code  
Domain Name System (or Service)  
MNC  
DSL  
Mobile Network Code  
Digital Subscriber Line  
NAT  
DTMF  
Network Address Translation  
Dual Tone Multi Frequency (signaling)  
OTA  
EDGE  
Over-The-Air programming  
Enhanced Data rates for Global Evolution  
PAP  
EGSM  
Password Authentication Protocol  
Enhanced GSM  
PDP  
EON  
Packet Data Protocol  
End Of Number  
PIN  
FTP  
Personal Identification Number  
File Transfer Protocol  
POTS  
FXS  
Plain Old Telephone Service  
Foreign eXchange Station  
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PPP  
VPN  
Point-to-Point Protocol  
Virtual Private Network  
PSK  
WAN  
Pre-Shared Key  
Wide Area Network  
PSTN  
WCDMA  
Public Switched Telephony Network  
Wideband CDMA  
PUK  
WEP  
Personal Unblocking Key  
Wired Equivalent Privacy  
QoS  
WLAN  
Quality of Service  
Wireless LAN  
RIP  
WPA  
Routing Information Protocol  
WiFi Protected Access  
SIM  
WUI  
Subscriber Identity Module  
Web User Interface  
SMS  
Short Message Service  
SNTP  
Simple Network Timing Protocol  
SSH  
Secure Shell  
SSID  
Service Set Identifier  
TCP  
Transmission Control Protocol  
TEMS  
TEst Mobile Stations  
TFTP  
Trivial File Transfer Protocol  
TKIP  
Temporal Key Integrity Protocol  
UDP  
User Datagram Protocol  
UPnP  
Universal Plug and Play  
UMTS  
Universal Mobile Telecommunications  
Service  
USB  
Universal Serial Bus  
VAD  
Voice Activity Detection  
VoIP  
Voice over IP  
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© Ericsson Enterprise AB 2006 – All Rights Reserved  
This document contains proprietary information, which is protected by  
copyright. No part of this document may be reproduced or transmitted in  
any form or by any means, electronic or mechanical, including  
photocopying, recording, or by any information storage and retrieval  
system, or translated into another language, without prior written consent of  
Ericsson Enterprise AB, Stockholm, Sweden.  
NOTICE  
The information in this document is subject to change without notice.  
ERICSSON MAKES NO WARRANTY OF ANY KIND WITH REGARD TO  
THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED  
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  
PARTICULAR PURPOSE. Ericsson shall not be liable for errors contained  
herein nor for incidental or consequential damages in connection with the  
furnishing, performance or use of this material.  
Ericsson Enterprise AB  
SE-131 89 Stockholm  
Telephone +46 8 568 67 000, Telefax +46 8 719 65 60  
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