Cabletron Systems SEH100TX-22 User Manual

Chapter 5: Connecting to the Network

c.

Check the cable for continuity.

d. Check that the twisted pair connection meets the cable 

e.

Check that the crossover switch is in the correct position.

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

The EPIM-100FX and EPIM-100FMB have an SC style network port 
(see Figure 5-3). Cabletron Systems supplies fiber optic cables that use 
SC connectors that are keyed to insure proper crossover of the transmit 
and receive fibers.

Use the following steps to connect a fiber segment to the EPIM-100FX or 
EPIM-100FMB:

1. Remove the protective plastic covers from the fiber optic ports on the 

module port and from the ends of the connectors.

2. Insert one end of the SC connector into the SEH EPIM-100FX or 

3. At the other end of the fiber optic cable, attach the SC connector to the 

other device.

An odd number of crossovers (preferably one) must be 
maintained between devices so that the transmit port of one 
device is connected to the receive port of the other device and 
vice versa.

Do not touch the ends of the fiber optic strands, and do not let 
the ends come in contact with dust, dirt, or other contaminants. 
Contamination of the ends causes problems in data 
transmissions. If the ends become contaminated, clean them 
with alcohol using a soft, clean, lint-free cloth.