
12
Advant Controller 31 / Issued: 07.99
Hardware 07 KP 93 R1161
8 .3
10
11
07 KP 93
7SGND
1PGND
RxD–P, TxD–P
RxD–N, TxD–N
6NC
Bus–N
2
3
SGND
07 KP 93
7SGND
1PGND
6NC
TxD
RxD
TxD
RxD
1.6 System cables
1.6.1 COM3, COM4 as EIA RS-232 interfaces
15-pole
male
Shield
Fig. 12: Connecting COM3, COM4 as EIA RS-232 interfaces
1.6.2 COM3, COM4 as EIA RS-485 interfaces
15-pole
male
Shield
The earthing of the shield is carried out in the same way as with the CS31 system bus (see volume 2,
chapter 1). The shield is not connected to pin 1 of the plug.
Fig. 13: Connecting COM3, COM4 as EIA RS-485 interfaces
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