Appendix
344
7SS52 V4 Manual
C53000-G1176-C182-3
D-SUB Connectors
Connections for
FOs
The transmit and receive connections of the FO cables are identified by the symbols
for transmit (output) and for receive (input).
Pin
No.
PC port Service port (F) Time synchronizing
port (E)
RS 232 RS 485
Shield electrically connected with collar
1 −− − P24_TSIG
2 RxD RxD − P5_TSIG
3 TxD TxD A/A’ (RxD/TxD−N) M_TSIG
4 −− − −
2
5 GND GND C/C’ (GND) −
6 −− − −
7 − RTS −
1
P12_TSIG
8 − CTS B/B’ (RxD/TxD−P) −
9 −− − −
1 Pin 7 carries the RTS signal with RS232 level even if operated as RS 485 interface.
Therefore pin 7 must not be connected!
2 Pin 4 is assigned but cannot be used
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