AT&T 3551 Switch User Manual


 
Pin Assignments
D-33550-A2-GB20-10 February 1995
Table D-3
3600 Hubbing Device Pin Assignments
Pin # Signal Name Input/Output
1 +5 Vdc Input
2 DCOSD/CCIRD Input
3 Signal Ground Ground
4 DCORD/CCISD Output
Table D-4
3600 Hubbing Device CC IN/DC OUT Jack Pin Assignments
Pin #
Signal Name In/Out CC IN DC OUT
1 –V Pass-Through N/C N/C
2 DCOCTS/CCIRTS IN RTS CTS
3 DCORTS/CCICTS OUT CTS RTS
4 DCOSD/CCIRD OUT RD SD
5 Signal Ground GND GND
6 DCORD/CCISD IN SD RD
7 N/C N/C N/C
8 +V Pass-Through N/C N/C