Cabletron Systems SFCS-1000, SFCS-200BX, SFCS-200WG manual Tx+ Rx+

Models: SFCS-200BX SFCS-200WG SFCS-1000

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Hardware Specifications

C.2.5.3 Connecting Adapters with Token Ring Pinouts to Cabletron Switches

Like switches, some adapters use different pin assignments than those men- tioned before. Connecting one of these adapters to a Cabletron Switch would require the connections to be mapped as follows:

Pin 3 to pin 1 in both directions.

Pin 4 to pin 7 in both directions.

Pin 5 to pin 8 in both directions.

Pin 6 to pin 2 in both directions.

Alternative

Pin

Pin

Cabletron Switch

adapter

1

1

RX+

 

 

2

2

RX-

TX+

3

3

 

RX+

4

4

 

RX-

5

5

 

TX-

6

6

TX+

 

7

7

 

TX-

 

8

8

 

 

 

 

 

 

NOTE: The cable used in the connections shown in sections 2 and 3 above must be either a UTP-3 or UTP-5 bidirectional crossover cable, with 8-pin male RJ-45 modular connectors at each end.

C-12

Page 138
Image 138
Cabletron Systems SFCS-1000, SFCS-200BX, SFCS-200WG manual Tx+ Rx+