SmartLogger1000
User Manual
4 Electrical Connections
Issue 12 (2019-01-15)
Copyright © Huawei Technologies Co., Ltd.
27
Step 3
Use a flat-head screwdriver to tighten the screws on port 3, as shown by (2) in
Connect the other end of the PE cable to the ground bar.
----End
4.3 Connecting the RS485 Signal SPD
Prerequisites
The communications cable is prepared. The DJYP2VP2-22 2x2x1 network cable or a
communications cable with a cross sectional area of 1 mm
2
and outer diameter of 14–18 mm
is recommended.
Context
The way of connecting two RS485 signal SPDs is the same as the way of connecting one RS485 signal
SPD.
One RS485 signal SPD provides two RS485 surge protection ports, as shown in
Figure 4-3
Ports on an RS485 signal SPD