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5. Install the terminal base on the terminal block, and
connect the shield layers to the ground point.
7. Use a torque wrench with an open end of 33 mm to tighten the locking cap to a torque of 7.5
N· m, and seal the waterproof connector.
When connecting the shielded cables, choose whether to crimp the OT terminal based on site
requirements.
If a waterproof connector is not properly sealed, water or foreign matter could enter the
maintenance compartment and damage the SUN2000.
RJ45 network port connection
You are recommended to use a CAT 5E outdoor shielded network cable with an outer diameter
less than 9 mm and internal resistance not greater than 1.5 ohms/10 m, as well as a shielded RJ45
connector.
1. Insert the wires of the network cable
to the RJ45 connector in sequence.
2. Crimp the RJ45 connector using a
crimping tool.
No.
Color
1
White-and-orange
2
Orange
3
White-and-green
4
Blue
5
White-and-blue
6
Green
7
White-and-brown
8
Brown
3. Remove the locking cap from the COM1 connector at the inverter bottom and then remove the
plug from the cap.
6. Bind the communications cables.
Pin Definition
RS485A, RS485 differential signal +
RS485B, RS485 differential signal –
N/A
RS485A, RS485 differential signal +
RS485B, RS485 differential signal –
N/A
N/A
N/A
11
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