Datasheet

C-11

Cisco 7100 Series VPN Router Installation and Configuration Guide

78-6341-03

Appendix C Cable Specifications

Cisco 7120-4T1 and Cisco 7140-8T Cables and Pinouts

LL/DCD 44 —> 10 LL

Circuit ground 45 – 37 SC

DSR/DTR+ 3 <— 11 ON+

DSR/DTR– 4 <— 29 ON–

DTR/DSR+ 7 —> 12 TR+

DTR/DSR– 8 —> 30 TR–

DCD/DCD+ 5 <— 13 RR+

DCD/DCD– 6 <— 31 RR–

TxCE/TxC+ 13 —> 17 TT+

TxCE/TxC– 14 —> 35 TT–

Circuit ground 15 – 19 SG

Circuit ground 16 – 20 RC

Mode 1

Ground

– – Shorting group

Ground

Mode_DCE

– – Shorting group

1. HD = high-density.

Table C-11 EIA/TIA-449 Adapter Cable Signals (DCE)

DCE Cable (CAB-449C=)

Router End, HD

60-Position Plug

Network End,

DB-37 Receptacle

Signal Pin Pin Signal

Shield ground 46 – 1 Shield ground

RxD/TxD+ 28 <— 4 SD+

RxD/TxD– 27 <— 22 SD–

TxCE/TxC+ 13 —> 5 ST+

TxCE/TxC– 14 —> 23 ST–

TxD/RxD+ 11 —> 6 RD+

TxD/RxD– 12 —> 24 RD–

CTS/RTS+ 1 <— 7 RS+

CTS/RTS– 2 <— 25 RS–

TxC/RxC+ 24 —> 8 RT+

TxC/RxC– 23 —> 26 RT–

RTS/CTS+ 9 —> 9 CS+

RTS/CTS– 10 —> 27 CS–

Table C-10 EIA/TIA-449 Adapter Cable Signals (DTE) (continued)

DTE Cable (CAB-449MT=)