
9 History
Pin RS 232 RS 422 Pin RS 232 RS 422 Pin RS 232 RS 422
1 DTR (8) Rx− (8) 27 RxD (8) Tx+ (8) 53 CTS (2) CTS+ (2)
2 TxD (6) Rx+ (6) 28 RxD (5) Tx+ (5) 54 DSR (1) RTS− (1)
3 DTR (6) Rx− (6) 29 DSR (7) RTS− (7) 55 RxD (1) Tx+ (1)
4 CTS (6) CTS+ (6) 30 TxD (1) Rx+ (1) 56 RxD (4) Tx+ (4)
5 DSR (5) RTS− (5) 31 RTS (2) RTS+ (2) 57 CTS (4) CTS+ (4)
6 DCD (8) Tx− (8) 32 DTR (2) Rx− (2) 58 DSR (3) RTS− (3)
7 RI (8) CTS− (8) 33 DCD (2) Tx− (2) 59 CTS (3) CTS+ (3)
8 RxD (6) Tx+ (6) 34 DSR (2) RTS− (2) 60 RTS (8) RTS+ (8)
9 CTS (7) CTS+ (7) 35 DCD (1) Tx− (1) 61 DTR (7) Rx− (7)
10 TxD (4) Rx+ (4) 36 RI (1) CTS− (1) 62 RTS (7) RTS+ (7)
11 TxD (3) Rx+ (3) 37 RxD (3) Tx+ (3) 63 TxD (7) Rx+ (7)
12 RTS (3) RTS+ (3) 38 DSR (4) RTS− (4) 64 TxD (8) Rx+ (8)
13 DTR (3) Rx− (3) 39 DCD (3) Tx− (3) 65 .nc.
14 RTS (4) RTS+ (4) 40 TxD (5) Rx+ (5) 66 .nc.
15 RI (2) CTS− (2) 41 RTS (6) RTS+ (6) 67 .nc.
16 CTS (1) CTS+ (1) 42 DSR (6) RTS− (6) 68 GND GND
17 RxD (2) Tx+ (2) 43 DCD (5) Tx− (5) 69 GND GND
18 DCD (4) Tx− (4) 44 RI (5) CTS− (5) 70 GND GND
19 RI (4) CTS− (4) 45 CTS (8) CTS+ (8) 71 GND GND
20 RI (3) CTS− (3) 46 RxD (7) Tx+ (7) 72 GND GND
21 RTS (5) RTS+ (5) 47 RI (7) CTS− (7) 73 GND GND
22 DTR (5) Rx− (5) 48 DCD (7) Tx− (7) 74 GND GND
23 DCD (6) Tx− (6) 49 DTR (1) Rx− (1) 75 GND GND
24 RI (6) CTS− (6) 50 TxD (2) Rx+ (2) 76 .nc.
25 CTS (5) CTS+ (5) 51 RTS (1) RTS+ (1) 77 .nc.
26 DSR (8) RTS− (8) 52 DTR (4) Rx− (4) 78 .nc.
Table 18: DB78 female Connector RS 232, RS 422
9 History
April 2009 First Release of this manual
February 2010 Installation in Windows 7 added
March 2011 Extended explanation on how to enable automatic handshaking
July 2011 Mistake corrected in configuration RS 485 2-wire on 200I/200I-SI
July 2011 VScom Industrial Card User Manual 53
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