Cabletron Systems SEHI-22FL Betriebsanweisung

3. Attach the fiber labeled 2 to the applicable TX port, on the SEHI.

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.

6. Check that the LNK LED for the appropriate port is on. If the LED is 

off, perform the following steps until it is on:

a.

Check that the power is turned on for the device at the other end of 
the link.

b. Verify proper crossover of fiber strands between the applicable 

port on the SEHI and the fiber optic device at the other end of the 
fiber optic link segment.

c.

Verify that the fiber connection meets the dB loss specifications 
outlined in Chapter 3.

If a link is not established, contact Cabletron Systems Technical Support.

SEHI Book  Page 3  Friday, April 19, 1996  10:46 AM