Manual 7XV5655-0BB00
C53000-G1176-C175-3
Page 72 of 79
SIEMENS AG
Connecting Cable
RS232 connection options:
1) PC/laptop to the Serial Modem (office)
Æ
plug in serial DIGSI cable directly
2) PC/laptop to the protection unit
Æ
plug in serial DIGSI cable directly
3) Station modem to SIPROTEC 4 or
Æ
plug in serial DIGSI cable via gender
7XV5300, 7XV5450, 7XV5550, 7XV5652
changer (male-male) to Serial Modem
Serial DIGSI Cable
2
3
4
6
7*
8*
5
3
2
TxD
RxD
GND
7XV5100-4/BB
Notebook / PC
9-way SUB-D female connector
Protection unit/
Serial Modem
9-way SUB-D male connector
* for Starcoupler
7
8
5
Length 3m
Housing
Housing
screen
For further cables and adapters, see:
www.siemens.com/siprotec
Serial RS485 Connecting Cable
A
B
From serial modem
SUB-D connector
9-way male
8
3
SIPROTEC
SUB-D connector
9-way male
L=0.2 m
8
3
Further devices
or bus termination
SUB-D connector
9-way female
3
8
Housing
A
B
Housing
Housing
L=1/3/5/10 m
7XV5103-0AAxx
xx= length
For further RS485 cables and adapters, see:
www.siemens.com/siprotec