User Manual

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ISD-1130-T
1. Connect the incoming cable to ISD surge protector.
2. Connect the outgoing cable to ISD surge protector.
3. Connect the outgoing cable to the external device.
4. Power on the external device or equipment.
PIN
RS-422/485-4W
RS-485-2W
1
TxD-(A)
–
2
TxD-(B)
–
3
RxD-(B)
Data+(B)
4
RxD-(A)
Data-(A)
5
Shielded GND
Shielded GND