MIL-120A
Thin•Twist
COAX to 10BASE-T
Media Converter
12-20VAC
COL/ TP
THIN•TWIST
RCV/ TP
LINK
Mo d e l MIL• 120A
POWER
COAX to 10Ba se T
CONVERTER
RCV/ CX
COL/ CX
Ethe rne t / IEEE 802.3
FCC PART 15 CLASS A COMPLIANT
Installation Guide
This guide includes the following information:
“Installation” on page 2
“Disabling Link” on page 2
“Configuration” on page 3
“RJ-45 Pinouts” on page 3
“Legal” on page 4
Doc #: 75140 Rev. D
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Install Guide
Diagnostic LEDs
COL/TP: Collisions are occurring on the 10BASE-T network
RCV/TP
Link:
Unit is receiving packets from the 10BASE-T network
There is an active connection to a10BASE-T hub (or another node)
when Link is enabled
Power:
Unit is receiving power
RCV/CX Unit is receiving packets from the 10BASE2 network
COL/CX: Collisions are occurring on the 10BASE2 network
Configuration
Next to the COAX cable connector, there is a DIP switch that control the 50 ohm
termination resistor (Figure 1). These switches support a variety of configurations.
Both switches are shipped in the UP position (default). Other configurations
include:
If the MIL-120A is connected to the end of a multi-node segment without a T-
connector and terminator, enable the 50 ohm resistor by:
•
•
Placing switch 1: UP and
Placing switch 2: DOWN
If the MIL-120A is connected to a single-node “without” a T-type connector and
terminator on a COAX cable of less than one meter’s length:
•
Place both switches (1 and 2) in the DOWN position
Note: For this configuration, you do not need a 50 ohm terminator on the COAX segment of the
MIL-120A's BNC connector.
RJ-45 Pinouts
4
5
3
6
7
2
8
1
MDI
Pin 1=TX+
Pin 2=TX-
Pin 3=RX+
Pin 6=RX-
Fig u re 2 . RJ-4 5 Pin o u ts
Follow these guidelines when connecting the 10BASE-T Port:
•
For a Hub or a Repeater, use a straight-through cable (where the pins are
connected 1 to 1, 2 to 2, 3 to 3, and 6 to 6)
•
For a Workstation/ PC port, use a swap cable (where the pins are connected 1
to 3, 2 to 6, 3 to 1, 6 to 2)
Model: MIL-120A
3
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Legal
Regulatory Approvals
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•
•
•
•
FCC Class A
UL 1950
CSA 22 No. 950
EN60950
CE
– EN55022 Class B
– EN50082-1
Canadian EMI Notice
This Class A digital apparatus meets all the requirements of the Canadian Interference-Causing
Equipment Regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel
brouilleur du Canada.
European Notice
Products with the CE Marking comply with both the EMC Directive (89/ 336/ EEC) and the Low Voltage
Directive (73/ 23/ EEC) issued by the commission of the European Community. Compliance with these
directives implies conformity to the following European Norms:
•
•
•
EN55022 (CISPR 22) - Radio Frequency Interference
EN50082-1 (IEC801-2, IEC801-3, IEC801-4) - Electromagnetic Immunity
EN60950 (IEC950) - Product Safety
Five-Year Limited Warranty
Digi International warrants to the original consumer or purchaser that each of its
products, and all components thereof, will be free from defects in material and/ or
workmanship for a period of five years from the original factory shipment date. Any
warranty hereunder is extended to the original consumer or purchaser and is not
assignable.
Digi makes no express or implied warranties including, but not limited to, any implied
warranty of merchantability or fitness for a particular purpose, except as expressly set
forth in this warranty. In no event shall Digi be liable for incidental or consequential
damages, costs, or expenses arising out of or in connection with the performance of the
product delivered hereunder. Digi will in no case cover damages arising out of the
product being used in a negligent fashion or manner.
To Contact Digi
For prompt response when calling for service information, have the following information ready:
•
•
•
Product serial number and rev.
Date of purchase
Vendor or place of purchase
Reach Digi Technical Support at 408/ 744-2751
Or E-mail at “sun-tech@dgii.com”
Address: 1299 Orleans Drive
Sunnyvale, CA 94089
408/ 744-2775
408/ 744-2793
Voice:
Fax:
E-mail: info@dgii.com
Doc #: 75140 Rev. D
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