Cabletron Systems SmartSTACK 100, User Manual

Page: 43 / 110

Unpacking and Installing Your ELS100-16TX
2-11
b. Verify that the RJ45 connectors on the twisted pair segment
have the proper pinouts (Figure 2-6) and check the cable
for continuity.
Figure 2-6. Cable Pinouts - (RJ45) Crossover Cable
c. Check that the twisted pair connection meets the dB loss
and cable specifications.
If a link is not established, contact Cabletron Systems Global
Call Center. Refer to Section 1.2, Getting Help, for details.
4. Repeat step 2, above, until all connections have been made.
2.6.2 Connecting a Segment to the EPIM-100FX
The EPIM-100FX has an SC style network port. Cabletron Systems
supplies fiber optic cable that uses SC style connectors that are
keyed to ensure proper crossing over of the transmit and receive
fibers.
1
2
3
6
1
2
3
6
TX+
TX-
RX+
RX-
TX+
TX-
RX+
RX-
TO
ELS10-26 RJ-45 Port
TO
10Base-T Device Port
Note: RX+/RX- and
TX+/TX- must share a
common color pair.