Cisco 7000 - Page 260

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