Huawei SmartACBox Quick Manual page 12

12-in 1-out smart ac combiner box
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Installing the RS485 Communications Cable
6.4
Connect the peripheral RS485 communications cable to the RS485-1 or RS485-2 port on the JX01
terminal block.
No.
Port on the JX01 Terminal Block
1
RS485-1(+)_COM1(+)
2
RS485-1(–)_COM1(–)
3
RS485-2(+)_COM2(+)
4
RS485-2(–)_COM2(–)
1. Prepare an RS485 communications
cable.
6.5
Installing the Single-Phase Power Cable
NOTE
The power cables from the SmartACBox to the SmartLogger1000 and router have been factory-
installed. If an external power source is required to power the SmartLogger1000 and router,
disconnect the power cable from the JX02 terminal block, and then connect the external single-
phase power cable to the JX02 terminal block.
1. Prepare a single-phase power cable.
2. Crimp an OT terminal on the ground
end.
3. Disconnect cables JX02-1-BOT and
JX02-2-BOT from the JX02 terminal
block.
Insulate the disconnected cables JX02-
1-BOT and JX02-2-BOT.
Definition
RS485-1, RS485 differential signal+
RS485-1, RS485 differential signal–
RS485-2, RS485 differential signal+
RS485-2, RS485 differential signal–
2. Connect the RS485 communications cable
to the JX01 terminal block.
11

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