iS7 Ethernet Option Manual
5
5. Network Connection
Terminal block for communication cable
※ Make sure that cables connected to Pin1 and 2 are twisted together.
※ Make sure that cables connected to Pin3 and 6 are twisted together.
Pin No. Signal Description Cable Color
1 TX+ Transmitting data plus (+) White/Yellow
2 TX- Transmitting data minus (-) Yellow
3 RX+ Receiving data plus (+) White/Green
4 NONE Not used Blue
5 NONE Not used White/Blue
6 RX- Receiving data minus (-) Green
7 NONE Not used White/Brown
8 NONE Not used Brown
1
11
1
8
88
8
1
11
1
2
22
2
3
33
3
4
44
4
5
55
5
6
66
6
7
77
7
8
88
8
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