Cabletron Systems SFCS-1000 User Manual
C-12
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:
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.
• Pin 4 to pin 7 in both directions.
• Pin 5 to pin 8 in both directions.
• Pin 6 to pin 2 in both directions.
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.
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.
Alternative
Pin Cabletron Switch
Pin
TX+
RX+
RX-
TX-
RX+
RX-
TX-
RX+
RX-
RX-
TX+
TX-
TX-
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
adapter