Cabletron Systems Connecting a Segment to the EPIM-100FX, Cable Pinouts RJ45 Crossover Cable

Models: 100

1 110
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Unpacking and Installing Your ELS100-16TX

b.Verify that the RJ45 connectors on the twisted pair segment have the proper pinouts (Figure 2-6) and check the cable for continuity.

 

 

TO

TO

 

 

ELS10-26 RJ-45 Port

10Base-T Device Port

 

 

 

 

 

 

TX+

 

TX+

1

 

 

1

Note: RX+/RX- and

TX-

2

 

 

2

TX-

 

 

 

 

 

 

TX+/TX- must share a

 

 

 

 

 

 

common color pair.

RX+

3

 

 

3

RX+

 

 

 

 

RX-

6

 

 

6

RX-

 

 

 

 

 

 

 

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.

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Page 43
Image 43
Cabletron Systems manual Connecting a Segment to the EPIM-100FX, Cable Pinouts RJ45 Crossover Cable