600 Series
Industrial
Ethernet
Switches
Hardware
Installation
Guide
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Copyright, © N-TRON Corp., 2002
820 S. University Blvd., Suite 4E
Mobile, AL USA 36609
All rights reserved. Reproduction, adaptation, or translation without prior written permission
from N-TRON Corp. is prohibited, except as allowed under copyright laws.
Ethernet is a registered trademark of Xerox Corporation. All other product names, company
names, logos or other designations mentioned herein are trademarks of their respective owners.
The information contained in this document is subject to change without notice. N-TRON
Corp. makes no warranty of any kind with regard to this material, including, but not limited to,
the implied warranties of merchantability or fitness for a particular purpose. In no event shall
N-TRON Corp. be liable for any incidental, special, indirect, or consequential damages
whatsoever included but not limited to lost profits arising out of errors or omissions in this
manual or the information contained herein.
Warning
Do not perform any services on the unit unless qualified to do so. Do not substitute
unauthorized parts or make unauthorized modifications to the unit.
Do not operate the unit with the top cover removed, as this could create a shock or fire hazard.
Do not block the air vents on the sides or the top of the unit.
Do not operate the equipment in the presence of flammable gasses or fumes. Operating
electrical equipment in such an environment constitutes a definite safety hazard.
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Safety Warnings
ELECTRICAL SAFETY
WARNING: Disconnect the power cable before removing the
enclosure top.
WARNING: Do not operate the unit with the top cover removed.
WARNING: Do not work on equipment or cables during periods of
lightning activity.
WARNING: Do not perform any services on the unit unless qualified
to do so.
WARNING: Do not block the air vents.
WARNING: Observe proper DC Voltage polarity when installing
power input cables. Reversing voltage polarity can cause permanent
damage to the unit and void the warranty.
LASER SAFETY (604/608MFXE Version Only)
WARNING: CLASS 1 Laser Product.
WARNING: Do not stare into the Laser Beam.
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600 Series Industrial Ethernet Switch
The N-TRON 600 Series are product derivatives of the OSM/ESM family
jointly manufactured by Siemens and N-TRON. The N-TRON 600 Series
switches supports high speed layer 2 switching between ports, and is housed
in a ruggedized steel enclosure, and can withstand industrial temperatures,
as well as high shock & vibration, and caries an MTBF in excess of 1M
hours.
The 604MFX (608MFX) is a 4 (8) port ruggedized Ethernet switch that is
capable of auto negotiating 10/100 Mb and half/full duplex communications
on 2 (6) copper ports, and contains two 100BaseFX Fiber Optic ports.
The 604/608MFX are managed switches that supports SNMP management
software, as well as configuration by a CLI (Command Line Interface –
Serial Port), Telnet, and/or Web based browsers.
The 600 Series Switches can also serve as a redundancy managers, detect
faults in ring topologies and allow high-speed ring network healing, thus
providing media redundancy for mission critical control applications.
Key Features
•
•
•
•
•
•
•
•
•
•
•
Full Managed Solution
Supports Web Based Management
802.1P QOS (Quality of Service) Supported
Port Mirroring supported
Supports Media Redundant Fiber Ring Topology
Full IEEE 802.3 & 100BASE-FX Compliance
Extended Environmental Specifications
Support for Full/Half Duplex Operation
Auto Sensing Speed and Flow Control
Industry Standard 35mm DIN-Rail Enclosure
Fully Redundant Isolated DC Power Inputs
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PACKAGE CONTENTS
Please make sure the Ethernet Switch package contains the following items:
1. 600 Series Ethernet Switch
2. This Installation Guide
Contact your carrier if any items are damaged.
INSTALLATION
Read the following warning before beginning the installation:
WARNING
The FXE units contain a class 1 laser. Do not stare into the laser beam
(fiber optic connector) when installing or operating the product.
Never install or work on electrical equipment or cabling during periods of
lightning activity. NO USER SERVICABLE PARTS INSIDE.
Disconnect the power cable before removing the enclosure top.
Do not operate the unit with the top cover removed
UNPACKING
Remove all the equipment from the packaging, and store the packaging in a
safe place.
File any damage claims with the carrier.
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600 Series Hazardous Location Installation Requirements
1. WARNING! Do not disconnect while circuit is live, unless area is
known to be non-hazardous.
2. WARNING! Install only in accordance with Local & National
Codes of .Authorities Having Jurisdiction.
3. Class I, Div 2 installation requires that all devices connected to this
product must be approved for the area in which it is installed.
4. Only hazardous location approved wiring with temperature ratings
greater than 80 C permitted for Class I, Div 2 installations
operating at temperatures up to 60 C ambient.
Personnel Qualification Requirements
Only qualified personnel should be allowed to install and work on this
equipment. Qualified personnel are defined as individuals who are
familiar with the installation, assembly, startup, and operation of this
product and who possess the relevant qualifications for their work e.g.:
•
•
•
Training in or authorization for connecting up, grounding, or
labeling circuits and devices or systems in accordance with current
standards in safety technology.
Training in or authorization for the maintenance and use of suitable
safety equipment in accordance with current standards in safety
technology.
First aid qualification
.
DIN-Rail Mounting
Install the unit on a standard 35mm Din-Rail. When installing the unit in an
enclosed cabinet, recess it to allow at least 3” of clearance for fiber optic
cable bend radius, and 2 inches for TX cables and power connections.
Please note the 600 Series units must be installed in the vertical orientation
for cooling purposes. In this orientation, the power connector is at the top
of the unit, and the signal cables exit from the bottom of the unit.
19” Rack Mounting
19” Rack mount kits are available. Please consult with your local sales
representative for price & availability. Order part number: 900-RM
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APPLYING POWER
1. Unscrew the flange & remove the DC Voltage Input Plug from the
Header.
2. Install the DC Power Cables into the Plug(s) (observing polarity
per the legend on the top of the unit). L1+ and L2+ are the +24V
connections. M1 and M2 are the minus (-) returns for the L1 and
L2 respectively. F1 and F2 terminals are across the contact switch
that opens to signify a fault detection. Voltage/Current for F1/F2
is limited to 24V @ 100mA.
3. Plug the Voltage Input Plug back into the side header. All LED’s
will flash ON Momentarily.
4. The unit will complete the power up cycle in approximately 20
seconds.
Note: Only 1 power supply is required to be connected to power for
minimal operation. For redundant power operation, L1 and L2
terminals must be connected to separate DC Voltage sources. Use wire
sizes 14-28 gauge.
Recommended 24V DC Power Supplies, similar to:
100VAC/240VAC:
N-Tron’s NTPS-24-1.3, DC 24V/1.3A,
Operating temp range -10°C to +60°C
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CONNECTING THE STANDARD RING
Remove the dust cap from the fiber optic connectors and connect the
fiber optic cables.
Please refer to the Figure 1. Diagram.
To begin the ring, the TX out-port #7 should be connected to the RX
in-port #8 of the far end station. The RX in-port #7 should be
connected to the TX out-port #8 on the far end station.
Likewise, the TX out-port #8 should be connected to the RX in-port #7
of the far end station completing the ring. The RX in-port #8 should be
connected to the TX out-port #7 on the far end station.
PC
PC
PC
MMI
MMI
MMI
CAT5
CAT5
CAT5
(UP TO 6 COPPER PORTS CONNECTED TO 608MFX)
CAT5 TO MES
#8
608MFX
RING
#7
FIBER OPTIC PAIR
MANAGER
#8
#7
#8
#8
#7
FIBER OPTIC PAIR
#7
FIBER OPTIC PAIR
608MFX
608MFX
608MFX
CAT5
CAT5
CAT5
CAT5
CAT5
CAT5
PLC
PC
LAPTOP
N-TRON
405TX
PLC
PLC
DRIVE
Additional
Ports
(UP TO 6 COPPER PORTS CONNECTED TO EACH 608MFX)
608MFX RING TOPOLOGY
Figure 1
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For 10/100 Base-TX ports, plug a Category 5 (or better) twisted pair
cable into one the RJ45 copper ports (1-6). Connect the other end to
the far end station. Verify that the Port LED’s are ON once the
connection has been completed. For Switch to Switch or Switch to
Repeater connections, a crossover cable may be required if the
connecting unit does not support the HP-MDIX auto cable detect
feature. For 10/100BaseTX operation, the 600 Series Switch will sense
& adapt accordingly.
A maximum number of 50 600 Series switches can be connected in a
single ring.
CONNECTING MULTIPLE RINGS (608MFX Only)
For multiple rings, the connection between two network segments is
made on two separate paths. Two of the 608MFX’s in a ring are
connected together via a connection cable with an ITP cable (maximum
length of 40m), and inform each other of their operating states. One of
the 608MFX units is assigned the redundant function using the DIP
switch setting “Stby on” (Standby Slave). The other 608MFX unit
takes over the function of the Standby Master, with the DIP switch
setting “Stby off” (see Figure 2). Please note that 604MFX units
cannot be used as Ring Couplers.
Because of the 50-unit ring limit, for larger networks, the user must
configure multiple rings. By using the Master/Slave Standby approach
to couple rings together, the user can enlarge the network by chaining
segments.
Port Assignment in the Standby Mode
On the Standby Master and Standby Slave only port #1 (default
standby port) can be used for the coupling to the neighboring ring.
Connect the #1 ports together using a CAT5E crossover cable between
switches. Ports 2-6 can be used just as normal switch ports.
Simultaneous Standby and Redundancy Manager Operation
A standby master or standby slave can adopt the function of a
redundancy manager at the same time.
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608MFX
RING
#7
#8
FIBER OPTIC PAIR
MANAGER
ITP Cable
#8
#7
608MFX
Standby
Master
608MFX
Standby
Slave
#8
#8
#7
#7
FIBER OPTIC PAIR
#7
#7
FIBER OPTIC PAIR
608MFX
Cat5E
#8
Cat5E
#1
#1
#8
FIBER OPTIC PAIR
FIBER OPTIC PAIR
608MFX
608MFX
608MFX
#1
#1
#7
608MFX
RING
#7
#8
FIBER OPTIC PAIR
MANAGER
608MFX Network Segment Redundancy
Figure 2
Replacing the Standby Master during operation
When replacing a standby master during operation, the following
procedure is necessary to prevent an interruption on the network.
1. Remove the terminal block for power supply to the standby master.
2. Remove the signal lines and the standby connecting cable from the
standby master.
3. Connect the signal lines to the replacement device.
4. Plug the power terminal block into the replacement device.
When replacing the standby slave, no special steps are necessary.
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DISPLAYS AND OPERATING CONTROLS
LED’s
Fault (red LED)
Status
Meaning
The 604/608MFX has detected an error. The signaling
contact
ON
opens at the same time.
OFF
No errors detected by the 604/608MFX.
Stby - Standby (green LED, 608MFX Only)
Status
Meaning
ON
The 608MFX standby function is activated, indicating the
608MFX is in the standby passive mode.
The standby function is deactivated.
OFF
Flashing The 608MFX standby function is activated, indicating the
608MFX is in the active mode. In other words, the Ring
master has failed and the standby takes over the data
traffic.
RM - Redundancy Manager (green LED)
Status
Meaning
The 604/608MFX is operating in the redundancy
manager mode. The ring is operating free of errors, as
monitored by the redundancy manager.
ON
Note: One (and only one) 600 Series Switch must
operate as the redundancy manager in each ring.
OFF
The 608MFX is not operating in the redundancy manager
mode.
The redundancy manager has detected a break in the
Flashing ring.
The 608MFX makes the connection between its two ring
ports so that a functional bus configuration is re-
established
within 300 ms.
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Port LED’s
The display Mode is indicated by the LED pair labeled “Display Mode”, and the
state is given by the legend on the front of the 600 Series Switch. To transition
between these Display Modes, the Select/Set button must be pressed briefly
(similar to left mouse click). The four states are: Port Status, 100Mbit/s, Full
Duplex, Fault Mask.
Display Mode:
State = Port Status
OFF
Meaning
No Valid Connection to the port.
Green
Valid Connection to the port (good link).
Flashes green once per cycle, port switched
to standby
Flashes green three time per cycle, port is
disabled by configuration
Yellow
Indicates Port is actively receiving data
Display Mode:
State = 100 Mbps
OFF
Meaning
Port operating at 10 Mbps
Port operating at 100 Mbps
Green
Display Mode:
State = Full Duplex
OFF
Meaning
Port operating half duplex
Port operating full duplex
GREEN
Display Mode:
State = Fault Mask
OFF
Meaning
Port is not currently monitored
Port is currently monitored
Green
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“Select/Set” Button
The Select/Set” multi-functional button on the front panel of the
604/608MFX performs the following actions:
•
•
Pressing the button briefly (similar to left mouse click)
transitions the display of the two display mode LED’s. The
current display mode is indicated by the status of the display
mode LED’s per the legend definition on the front of the
swtich.
If the Display Mode is currently selecting port status (all
Display Mode LEDs off) and if the button is pressed for three
seconds, the Display Mode LEDs begin to flash. If you then
continue to press the button for a further two seconds, the
switch is reset. When the 600 series switch is reset, all the
settings return to their defaults (as set in the factory). This
allows you to cancel settings made from the Web based
management tools, Telnet, or the command line configurator
(serial port), or the fault mask.
•
If the Display Mode is currently selecting the fault status and
you press the button for two seconds, the display LED’s start
to flash. If you then continue pressing the button for another
two seconds, the current status of the ports and the supply
voltage are entered in the fault mask. Any change in their
status after the fault mask update will create a fault.
Note: Do not press the “Select/Set” button while the unit is powering up. In
the event that the “Select/Set” button was pressed while the switch is
starting up (approximately a 20-second window), all display mode LEDs
will flash simultaneously. This mode is exited by pressing the button again
after the unit has completely powered up (a 20-second delay).
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Aging Time
The 604/608MFX monitors the age of the addresses it has learnt, and
addresses that exceed a certain age (aging time, default setting = 40 sec), are
deleted again by the switch. If a packet with a source address matching the
address entry is received before the aging time elapses, the address entry is
retained, and the age is reset. If a packet is received and there is no address
entry for the source address, it is learnt. If a packet is received and there is
no address entry for the destination address, it is sent to all ports.
IEEE 802.1Q, VLAN
The 600 Series switches do not support VLAN tags according to IEEE
802.1Q. Users must configure their networks so that no VLAN packets are
sent.
IEEE 802.1P, QOS
The 600 Series does support QOS. Users should configure their networks
such that no packets with a priority tag higher than 3 are transmitted since
these packets can influence redundancy functions (for example, longer
switchover times if a fault develops, or false fault detection).
Two-Pin Dip Switch Setting
With the two-pin DIP switch on the upper casing of the 604/608MFX, you
can do the following:
•
•
With the Stby button, you can activate the standby function of the
device (608 only). This switch is not connected in the 604MFX.
With the RM switch, you can activate the redundancy manager
function of the device.
Note: The switch must be restarted after changing the DIP switch
Settings. The switch settings are only adopted when the device powers
Up.
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Serial Interface
The 604/608MFX provides an EIA-232 interface accessed via a 9 pin male
connector (labeled V24 on the unit). This is used to access the Command
Line Interpreter (CLI). Functions include setting the IP address, and other
parameters (see Network Management Users guide). The pin-outs are
shown below:
Pin 1
DSR Pin 6
RTS Pin 7
CTS Pin 8
RXD Pin 2
TXD Pin 3
DTR Pin 4
Pin 9
GND Pin 5
Standby-Sync Port (608MFX Only)
A 9-pin female connector is used to connect the standby unit to the
redundancy manager for redundant standby coupling. The casing of the
connector is electrically connected to the chassis of the switch
Stby_In+ Pin 1
Stby_In- Pin 6
Pin 7
Pin 8
Pin 2
Pin 3
Pin 4
Stby_Out- Pin 9
Stby_OPut+ Pin 5
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Serial Cable
Connect the serial COM port of your PC and the 600 Series Switch using a
normal null modem cable (or a straight through cable with a null modem
adapter). You will require a cable with a 9-pin or 25-pin sub-D female
connector for the PC end, and a 9-pin female sub-D connector for the
608MFX end.
The following table shows the pin-out and the connections for both types of
cable:
PC Port
25-Pin
Female Female
9-Pin
604/608MFX
9-Pin Female
Pin
#
Signal Name
TXD
Pin #
2
3
4
5
7
6
20
Pin #
Signal Name
3
2
7
8
5
6
4
2
3
8
7
5
4
6
RXD
TXD
CTS
RTS
SG
RXD
RTS
CTS
GND
DSR
DTR
DTR
DSR
Shielded cables and null modems are readily available from Radio Shack or
a variety of computer shops.
Hyperterminal
The following configuration should be used in Hyperterminal:
Port Settings:
Data Bits:
Parity:
115200
8
None
1
Stop bits:
Flow Control:
None
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TROUBLESHOOTING
1. Make sure the Power LED (L1 and/or L2) is ON.
2. Make sure the Voltage is within specifications (18-32V@1A).
3. Make sure the fiber ports and TX ports are properly connected.
4. Verify that Port LED’s are ON for connected ports.
5. Verify the status of the fault (RM) LED.
6. Verify cabling (pin-outs & integrity).
7. Verify that cabling is Category 5 (or higher) for 100Mbit TX
Operation, 62.5/125 m @ 1300nm for 100 Mbit FX Operation.
8. Verify TX port #7 is connected to RX port #8 (and vice versa).
9. Verify that only one 600 series switch is in RM (redundancy
manager) mode.
FCC STATEMENT
This product complies with Part 15 of the FCC-A Rules.
Operation is subject to the following conditions:
(1) This device may not cause harmful Interference
(2) This device must accept any interference received, including
interference that may cause undesired operation.
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KEY SPECIFICATIONS
Physical
Height:
Width:
Depth:
Weight:
5.5"
8.55"
2.75"
3.08 lbs
(13.65 cm)
(21.70 cm)
(6.90 cm)
(1.4 kg)
Electrical
Input Voltage:
Input Current:
Power Consumption:
18-32 VDC (Redundant inputs)
1.0A @ 24V
24 Watts @24V
Environmental
Operating Temperature:
Storage Temperature:
Operating Humidity:
(Non Condensing)
0°C to 60°C
-40°C to 80°C
10% to 95%
Operating Altitude:
0 to 6,500 ft.
Shock and Vibration
Shock:
200g @ 10ms
Vibration:
1g, 10-500Hz,
Seismic:
20g, 5-200Hz, 15s, 3 axis
Reliability
MTBF:
>1M Hours (measured)
Network Media
10BaseT:
Category-3,4,5 Cable
100BaseT:
100Base FX:
Category 5 or higher Cable
62.5/125um Fiber @1300nm
or 50/125um Fiber @1300nm
Fiber Transceiver Characteristics
(multimode/single mode – 15km)
Transmit Power:
Receiver Sensitivity:
-17/-3dBm (typical)
-33/-35dBm (typical)
Recommended Wiring Clearance:
Top:
Bottom:
2" (5.08 cm)
3" (7.5 cm)
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Key Specifications (Cont.)
Emissions and Safety Approvals:
FCC Part 15 Class A CE, UL, FM Class 1 Div 2 Groups A,B,C,D
Note: Shielded cables must be used to meet emission standards.
Ordering Information
PN
Description
604MFX-ST
608MFX-ST
Industrial Ethernet Switch, ST Fiber Connectors,
MM, 2km
604MFXE-ST-YY
608MFXE-ST-YY
Industrial Ethernet Switch, ST Fiber Connectors,
Singlemode
Where:
900-RM
SDP1
YY = -15, -40, or -80km
19” Rack Mount Kit
Din Rail Power Supply
111-220VAC input
Warranty
One Year Parts and Labor
Contact/Support Information
N-TRON Corp
820 S. University Blvd., Suite 4E,
Mobile, AL 36609
TEL: (251) 342-2164
FAX: (251) 342-6353
Website: www.n-tron.com
E-mail: [email protected]
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N-TRON Limited Warranty
N-TRON, Corp. warrants to the end user that this hardware product will be free
from defects in workmanship and materials, under normal use and service, for the
applicable warranty period from the data of purchase from N-TRON or its
authorized reseller. If a product does not operate as warranted during the applicable
warranty period, N-TRON shall, at its option and expense, repair the defective
product or part, deliver to customer an equivalent product or part to replace the
defective item, or refund to customer the purchase price paid for the defective
product. All products that are replaced will become the property of N-TRON.
Replacement products may be new or reconditioned. Any replaced or repaired
product or part has a ninety (90) day warranty or the remainder of the initial
warranty period, whichever is longer. N-TRON shall not be responsible for any
custom software or firmware, configuration information, or memory data of
customer contained in, stored on, or integrated with any products returned to N-
TRON pursuant to any warranty.
OBTAINING WARRANTY SERVICE: Customer must contact N-TRON within
the applicable warranty period to obtain warranty service authorization. Dated proof
of purchase from N-TRON or its authorized reseller may be required. Products
returned to N-TRON must be pre-authorized by N-TRON with a Return Material
Authorization (RMA) number marked on the outside of the package, and sent
prepaid and packaged appropriately for safe shipment. Responsibility for loss or
damage does not transfer to N-TRON until the returned item is received by N-
TRON. The repaired or replaced item will be shipped to the customer, at N-
TRON’s expense, not later than thirty (30) days after N-TRON receives the product.
N-TRON shall not be responsible for any software, firmware, information, or
memory data of customer contained in, stored on, or integrated with any products
returned to N-TRON for repair, whether under warranty or not.
ADVANCE REPLACEMENT OPTION: Upon registration, this product qualifies
for advance replacement. A replacement product will be shipped within three (3)
days after verification by N-TRON that the product is considered defective. The
shipment of advance replacement products is subject to local legal requirements and
may not be available in all locations. When an advance replacement is provided and
customer fails to return the original product to N-TRON within fifteen (15) days
after shipment of the replacement, N-TRON will charge customer for the
replacement product, at list price.
WARRANTIES EXCLUSIVE: IF AN N-TRON PRODUCT DOES NOT
OPERATE AS WARRANTED ABOVE, CUSTOMER'S SOLE REMEDY FOR
BREACH OF THAT WARRANTY SHALL BE REPAIR, REPLACEMENT, OR
REFUND OF THE PURCHASE PRICE PAID, AT N-TRON'S OPTION. TO THE
FULL EXTENT ALLOWED BY LAW, THE FOREGOING WARRANTIES AND
REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER
WARRANTIES, TERMS, OR CONDITIONS, EXPRESS OR IMPLIED, EITHER
IN FACT OR BY OPERATION OF LAW, STATUTORY OR OTHERWISE,
INCLUDING WARRANTIES, TERMS, OR CONDITIONS OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
SATISFACTORY QUALITY, CORRESPONDENCE WITH DESCRIPTION,
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AND NON-INFRINGEMENT, ALL OF WHICH ARE EXPRESSLY
DISCLAIMED. N-TRON NEITHER ASSUMES NOR AUTHORIZES ANY
OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN
CONNECTION WITH THE SALE, INSTALLATION, MAINTENANCE OR USE
OF ITS PRODUCTS. N-TRON SHALL NOT BE LIABLE UNDER THIS
WARRANTY IF ITS TESTING AND EXAMINATION DISCLOSE THAT THE
ALLEGED DEFECT OR MALFUNCTION IN THE PRODUCT DOES NOT
EXIST OR WAS CAUSED BY CUSTOMER'S OR ANY THIRD PERSON'S
MISUSE, NEGLECT, IMPROPER INSTALLATION OR TESTING,
UNAUTHORIZED ATTEMPTS TO OPEN, REPAIR OR MODIFY THE
PRODUCT, OR ANY OTHER CAUSE BEYOND THE RANGE OF THE
INTENDED USE, OR BY ACCIDENT, FIRE, LIGHTNING, POWER CUTS OR
OUTAGES, OTHER HAZARDS, OR ACTS OF GOD.
LIMITATION OF LIABILITY: TO THE FULL EXTENT ALLOWED BY LAW,
N-TRON ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY
LIABILITY, WHETHER BASED IN CONTRACT OR TORT (INCLUDING
NEGLIGENCE), FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT,
SPECIAL, OR PUNITIVE DAMAGES OF ANY KIND, OR FOR LOSS OF
REVENUE OR PROFITS, LOSS OF BUSINESS, LOSS OF INFORMATION OR
DATA, OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN
CONNECTION WITH THE SALE, INSTALLATION, MAINTENANCE, USE,
PERFORMANCE, FAILURE, OR INTERRUPTION OF ITS PRODUCTS, EVEN
IF N-TRON OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES, AND LIMITS ITS LIABILITY TO
REPAIR, REPLACEMENT, OR REFUND OF THE PURCHASE PRICE PAID,
AT N-TRON'S OPTION. THIS DISCLAIMER OF LIABILITY FOR DAMAGES
WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL
FAIL OF ITS ESSENTIAL PURPOSE.
DISCLAIMER: Some countries, states, or provinces do not allow the exclusion or
limitation of implied warranties or the limitation of incidental or consequential
damages for certain products supplied to consumers or the limitation of liability for
personal injury, so the above limitations and exclusions may be limited in their
application to you. When the implied warranties are not allowed to be excluded in
their entirety, they will be limited to the duration of the applicable written warranty.
This warranty gives you specific legal rights which may vary depending on local
law.
GOVERNING LAW: This Limited Warranty shall be governed by the laws of the
State of Alabama, U.S.A.
22
12/15/05
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