
Serial Interface Cable 51
At the network end, the connector is different for each type of cable, as described
in the following list:
■ V.24 (EIA/TIA-232) DTE cable — DB-25 (male) adapter
■ V.24 (EIA/TIA-232) DCE cable — DB-25 (female) adapter
■ V.35 DTE cable — 34-pin (male) adapter
■ V.35 DCE cable — 34-pin (female) adapter
V.24 DTE Cable Assembly
and Pinouts
Figure 31 illustrates the V.24 DTE cable assembly.
Figure 31 V.24 DTE Cable Assembly
Enlarged A side
Enlarged B sid
DB50 Male
Label
DB25 Male
Table 22 describes the V.24 DTE cable pinouts.
Table 22 V.24 DTE Cable Pinouts
DB-50 Signal Signal Direction DB-25 Signal
5 TxD/RxD —> 2 TxD
27 RxD/TxD <— 3 RxD
2 RTS/CTS —> 4 RTS
31 CTS/RTS <— 5 CTS
6 DSR/DTR <— 6 DSR
30 DCD/LL <— 8 DCD
3 TxC/NIL <— 15 TxC
28 RxC/TxCE <— 17 RxC
1 LL/DCD —> 18 LTST
26 DTR/DSR —> 20 DTR
4 TxCE/TxC —> 24 TxCE
50 GND - 1 Shield_GND
7 GND - 7 Circuit_GND
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