Cisco 7000 Hardware Installation And Maintenance page 260

Serial Adapter Cable Pinouts
Table A-10
FSIP End, HD
60-Position
Plug
Signal
Ground
TxD/RxD+
TxD/RxD–
RTS/CTS+
RTS/CTS –
RxD/TxD+
RxD/TxD–
CTS/RTS+
CTS/RTS –
RxC/TxCE+
RxC/TxCE–
Circuit Ground
Ground
Mode_2
Ground
Mode_DCE
A-256 Cisco 7000 Hardware Installation and Maintenance
X.21 Adapter Cable Signals
Network
End,
DTE Cable DB-15 Plug
Pin Pin Signal
46 1
11 —> 2 Transmit+
12 —> 9 Transmit–
9 —> 3 Control+
10 —> 10 Control–
28 <— 4 Receive+
27 <— 11 Receive–
1 <— 5 Indication+
2 <— 12 Indication–
26 <— 6 Timing+
25 <— 13 Timing–
15 8 Circuit
ground
48 Shorting
47 group
51 Shorting
52 group
FSIP End, HD
60-Position
Plug DCE Cable
Signal Pin
Ground 46
RxD/TxD+ 28 <— 2
RxD/TxD– 27 <— 9
CTS/RTS+ 1 <— 3
CTS/RTS– 2 <— 10
TxD/RxD+ 11 —> 4
TxD/RxD– 12 —> 11
RTS/CTS+ 9 —> 5
RTS/CTS– 10 —> 12
TxC/RxC+ 24 —> 6
TxC/RxC– 23 —> 13
Circuit ground 15
Ground 48
Mode_2 47
Ground 51
Mode_DCE 52
Network End,
DB-15
Receptacle
Pin Signal
1
Transmit+
Transmit–
Control+
Control–
Receive+
Receive–
Indication+
Indication–
Timing+
Timing–
8 Circuit ground
Shorting
group