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H
R
D I P S
O S T A N D
E M O T E
Switch 7
Result
Switch 8
OFF
Standalone Configuration (no Host or Remote)
OFF
ON
Remote Unit Configuration (Slave)
OFF
OFF
Host Unit Configuration (Master)
ON
Configure FiberLinX TX/FX to be a Host unit by setting DIP switch 8 on
Switch
S1 to ON. Configure FiberLinX TX/FX to be a Remote unit by setting
DIP switch 7 to ON. For a standalone module, set both DIP switches 7 and
8 to the OFF position.
S N M P M
A N A G E M E N T
Although FiberLinX TX/FX provides a twisted pair port solely for manage-
ment traffic, you can configure FiberLinX TX/FX to accept SNMP manage-
ment traffic from any of its three ports. There are four different ways you
can configure FiberLinX TX/FX to accept (or not accept) SNMP management
traffic. Only one source for SNMP management traffic can be active at any
time, and only the SNMP management traffic directed to the module's IP
address will be accepted.
FiberLinX TX/FX is configured at the factory to accept SNMP management
traffic from the twisted pair data port, with DIP switch 2 on switch S3 ON,
DIP switch 1 and 3 OFF). You can change this setting by adjusting DIP
switches 1 though 3.
About FiberAlert
FiberAlert is an advanced trou-
bleshooting feature that can help you
locate "silent failures" on your network.
However, it is vital that you under-
stand exactly how FiberAlert works,
and how it will react in your network
configuration, before attempting to
install the enclosed module.
Installing modules without understanding the effects of FiberAlert
can cause perfectly functional units to appear flawed or even
dead!
FiberAlert lets you know when a fault occurs on your fiber loop by stop-
ping data transmissions and affecting the fiber LEDs on both sides of your
network. Since FiberLinX TX/FX is a transparent link in a network, the
FiberAlert feature, a troubleshooting feature that assists in pinpointing link
faults between products, is implemented. If FiberLinx TX/FX is not receiving
( S
S 1 )
W I T C H E S
W I T C H
DEFAULT
T
R A F F I C
Local Site
Cable Break
XMT
Remote Site
RCV
LED
LED OFF = Broken Link
IMC Networks product with
FiberAlert
enabled —
Remote Site stops transmitting
Local Link LED is OFF indicating a break in the fiber loop
3
a fiber link, FiberAlert disables its fiber transmitter, thus mirroring the link
status of the opposite end of the fiber. Both fiber link LEDs on either side
of the devices should extinguish, alerting you to the fault. Using
FiberAlert, a local site administrator is notified of a fault and can quickly
determine where a cable fault is located without having to go to the
remote site.
FiberAlert should only be activated on one side of a media extender. Activating
the feature on both sides would keep both transmitters off indefinitely.
More information on FiberAlert can be found on the IMC Networks
Web site at www.imcnetworks.com/to-fa.htm.
Installation Instructions
Once the DIP switches are set, you are ready to install FiberLinX TX/FX,
which can be installed into any PowerChassis/100 or /113 chassis.
To install FiberLinX TX/FX, remove the blank bracket covering the slot, if
necessary, where you will be installing the module, then slide the module
into the chassis, via the cardguides, until the module is seated securely in
the connector. Secure the module to the chassis by tightening the captive
screws. Once the module is installed, you will need to assign an IP
address to the unit, which can be done via HUBCTRL32™ (Hub Control
32) or serial configuration.
Assigning IP Information
In order for FiberLinX TX/FX to allow for SNMP-management, the mod-
ule must be assigned IP configuration information (e.g., IP address, subnet
mask, etc.). There are two ways to do this:
RCV
•
Using HUBCTRL32 over an Ethernet connection
XMT
•
Using the unit's serial port
LED
Besides assigning an IP address and subnet mask, the two methods will
also allow you to create community strings, assign access rights, configure
traps and more. However, HUBCTRL32 offers more options than the serial
port method (e.g., you can select which traps to assign with HUBCTRL32).
Note that if you are using HUBCTRL32, you must have the SNMP/HUBC-
TRL32 Function enabled via DIP switch (see Figure 2 on page 2 for
details).
Once FiberLinX TX/FX is assigned an IP address, you can use iView or
another SNMP-compatible Network Management System (NMS) to
remotely configure, monitor and manage the media conversion modules
installed in the unit (see page 8 of this guide for more information).
N O T E
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