Huawei SUN2000-90KTL Series Quick Manual page 11

Connecting to an RJ45 Network Port
No. Definition
1, 4
RS485A, RS485 differential signal+
After the RS485 communications cable is installed, seal the cable gland.
4.7 (Optional) Installing the Tracking System Power Cable
•
The tracking system should be equipped with an overcurrent protective device/component. The
power cable between the device/component and wiring terminal should be no longer than 2.5 m.
•
The tracking system is powered by the three-phase AC power grid with a rated voltage of 800 V.
•
Keep inflammable materials away from the power cable.
•
The power cable must be protected with a conduit to prevent short circuits caused by insulation
layer damage.
No. Definition
2, 5
RS485B, RS485 differential signal–
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