Huawei SmartLogger2000-10-B-JP Quick Manual page 13

Connecting an RS485 Signal SPD
6.2
A two-core or multi-core cable with a cross-sectional area of 0.5–2.5 mm
1. Remove an appropriate length of the steel armor and insulation layer from both ends of the
cable using a wire stripper.
Unit: mm
2. Remove the terminal block from the SmartLogger COM port.
Remove the terminal block using a flat-head screwdriver.
3. Connect one end of the cable to the SmartLogger terminal block.
4. Insert the terminal block into the SmartLogger COM port.
5. Connect the other end of the cable to the SPD port of the RS485 signal SPD.
Verify that the COM+ port on the
SmartLogger connects to protection port 2
or 8 on the RS485 signal SPD, and that the
COM– port on the SmartLogger connects to
protection port 6 or 12 on the RS485 signal
SPD.
12
2
is recommended.