Huawei SmartLogger2000 User Manual page 227

SmartLogger2000
User Manual
5.
Verify that the RS485A port on the device connects to surge port 1 or 7 on the RS485 signal
SPD, and that the RS485B port on the device connects to surge port 5 or 11 on the RS485
signal SPD. For details about cable connections, see the description about the connected
device.
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Issue 04 (2018-04-10)
Figure A-7 Connecting communications cables (2)
Connect the other end of the cable to the communications port on the connected device.
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A Installing and Wiring the RS485 Signal SPD
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