Cisco 7000 Series Hardware Installation And Maintenance Manual page 249

Table A-8 EIA/TIA-232 Adapter Cable Signals
FSIP End, HD
60-Position
Plug DTE Cable
Signal (J1) Pin
Shield ground 46
TxD/RxD 41 —>
Not used 56
RxD/TxD 36 <—
Not used 56
RTS/CTS 42 —>
Not used 56
CTS/RTS 35 <—
Not used 56
DSR/DTR 34 <—
Not used 56
Circuit ground 45
Not used 56
DCD/LL 33 <—
Not used 56
TxC/NIL 37 <—
Not used 56
RxC/TxCE 38 <—
Not used 56
LL/DCD 44 —>
Not used 56
DTR/DSR 43 —>
Not used 56
TxCE/TxC 39 —>
Not used 56
Mode 0 50
Ground 51
Mode_DCE 52
FSIP End, HD
Network End, 60-Position
DB-25 Plug Plug
Pin Signal (J2) Signal (J1)
1 Shield ground Shield ground
2 TxD RxD/TxD
7 Not used Not used
3 RxD TxD/RxD
7 Not used Not used
4 RTS CTS/RTS
7 Not used Not used
5 CTS RTS/CTS
7 Not used Not used
6 DSR DTR/DSR
7 Not used Not used
7 Circuit ground Circuit ground
7 Not used Not used
8 DCD LL/DCD
7 Not used Not used
15 TxC TxCE/TxC
7 Not used Not used
17 RxC NIL/RxC
7 Not used Not used
18 LTST DCD/LL
7 Not used Not used
20 DTR DSR/DTR
7 Not used Not used
24 TxCE RxC/TxCE
7 Not used Not used
Mode 0
Shorting group Ground
Serial Adapter Cable Pinouts
Network End,
DB-25
DCE Cable Receptacle
Pin Pin Signal (J2)
46 1 Shield ground
36 <— 2 TxD
56 7 Not used
41 —> 3 RxD
56 7 Not used
35 <— 4 RTS
56 7 Not used
42 —> 5 CTS
56 7 Not used
43 —> 6 DSR
56 7 Not used
45 7 Circuit ground
56 7 Not used
44 —> 8 DCD
56 7 Not used
39 —> 15 TxC
56 7 Not used
40 —> 17 RxC
56 7 Not used
33 <— 18 LTST
56 7 Not used
34 <— 20 DTR
56 7 Not used
38 <— 24 TxCE
56 7 Not used
50
51 Shorting group
Cabling Specifications A-7