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PA-4T Synchronous Serial Port Adapter Installation and Configuration
OL-3560-02
Chapter 1 Overview
Cables, Connectors, and Pinouts
Table 1-4 EIA/TIA-449 Adapter Cable Signals
DTE Cable (CAB-449MT=) DCE Cable (CAB-449C=)
VIP End, HD
1
60-Position Plug
1. HD = high density.
Network End,
DB-37 Plug
VIP End, HD
60-Position Plug
Network End,
DB-37 Receptacle
Signal Pin Pin Signal Signal Pin Pin Signal
Shield ground 46 1 Shield ground Shield ground 46 1 Shield ground
TxD/RxD+ 11 —> 4 SD+ RxD/TxD+ 28 <— 4 SD+
TxD/RxD– 12 —> 22 SD– RxD/TxD– 27 <— 22 SD–
TxC/RxC+ 24 <— 5 ST+ TxCE/TxC+ 13 —> 5 ST+
TxC/RxC– 23 <— 23 ST– TxCE/TxC– 14 —> 23 ST–
RxD/TxD+ 28 <— 6 RD+ TxD/RxD+ 11 —> 6 RD+
RxD/TxD– 27 <— 24 RD– TxD/RxD– 12 —> 24 RD–
RTS/CTS+ 9 —> 7 RS+ CTS/RTS+ 1 <— 7 RS+
RTS/CTS– 10 —> 25 RS– CTS/RTS– 2 <— 25 RS–
RxC/TxCE+ 26 <— 8 RT+ TxC/RxC+ 24 —> 8 RT+
RxC/TxCE– 25 <— 26 RT– TxC/RxC– 23 —> 26 RT–
CTS/RTS+ 1 <— 9 CS+ RTS/CTS+ 9 —> 9 CS+
CTS/RTS– 2 <— 27 CS– RTS/CTS– 10 —> 27 CS–
LL/DCD 44 —> 10 LL NIL/LL 29 —> 10 LL
Circuit ground 45 37 SC Circuit ground 30 37 SC
DSR/DTR+ 3 <— 11 ON+ DTR/DSR+ 7 —> 11 ON+
DSR/DTR– 4 <— 29 ON– DTR/DSR– 8 —> 29 ON–
DTR/DSR+ 7 —> 12 TR+ DSR/DTR+ 3 <— 12 TR+
DTR/DSR– 8 —> 30 TR– DSR/DTR– 4 <— 30 TR–
DCD/DCD+ 5 <— 13 RR+ DCD/DCD+ 5 —> 13 RR+
DCD/DCD– 6 <— 31 RR– DCD/DCD– 6 —> 31 RR–
TxCE/TxC+ 13 —> 17 TT+ RxC/TxCE+ 26 <— 17 TT+
TxCE/TxC– 14 —> 35 TT– RxC/TxCE– 25 <— 35 TT–
Circuit ground 15 19 SG Circuit ground 15 19 SG
Circuit ground 16 20 RC Circuit ground 16 20 RC
Mode 1
Ground
49
48
Shorting group Mode 1
Ground
49
48
Shorting group
Ground
Mode_DCE
51
52
Shorting group