Connecting the IRM3 to the Network
IRM3 User’s Guide
Page 3-11
4. At the other end of the fiber optic cable, attach the fiber labeled 1 to
the transmit port of the device.
5. Attach the fiber labeled 2 to the receive port.
Figure 3-6
Connecting to the Fiber Optic Ports
6. Check that the LNK LED for the fiber port on the IRM3 is lit
(Figure 3-3). If the LED is not lit, perform each of the following steps
until it is:
a.
Check that the power is turned on for the device at the other end of
the link.
b. Verify that the fiber strands are properly crossed over between the
IRM3 and the fiber optic device at the other end of the fiber optic
link segment.
c.
Verify that the fiber cable meets the dB loss specifications
outlined in Fiber Optic Port Requirements in Chapter 2,
Section 2.1.3.
If a link still has not been established, contact Cabletron Systems
Technical Support.
ST Fiber Optic
Ports
ST Connectors
T
X
R
X
Fiber 1
Fiber 2
0494108
