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Elo TouchSystems 1520 User Guide 32
DB9 connector Pin Definition
Pin # Signal Name
1
2 Receive Data (RD)
3 Transmit Data (TD)
4
5 Signal Ground
6
7 Request to send (RTS)
8 Clear to Send (CTS)
9
Power Input Pin Definition
Pin # Signal Name
1 +12V
2 Ground
3 Ground
4 +12V
RJ45 connector Pin Definition
Pin # T568A Wiring T568B Wiring
1 Pair 3 - white/green Pair 2 - white/orange
2 Pair 3 - green Pair 2 - orange
3 Pair 2 - white/orange Pair 3 - white/green
4 Pair 1 - blue Pair 1 - blue
5 Pair 1 - white/blue Pair 1 - white/blue
6 Pair 2 - orange Pair 3 - green
7 Pair 4 - white/brown Pair 4 - white/brown
8 Pair 4 - brown Pair 4 - brown