Connecting Communications Cables - Huawei UPS2000 Series User Manual

UPS2000-G1-(1 kVA–3 kVA)
User Manual

3.5 Connecting Communications Cables

Connecting a Communications Cable to an RS232 Port
Step 1 Connect one end of the NetEco Express (RS232) cable to the serial port on the UPS.
Step 2 Connect the other end of the NetEco Express (RS232) cable to the RS232 port on the
monitoring personal computer (PC).
Figure 3-6 shows how to connect a communications cable to an RS232 port.
Figure 3-6 Connecting a communications cable to an RS232 port
Figure 3-7 RS232 pins
Table 3-2 RS232 pin description
Pin No.
1–5
6
7
8
9
Issue 05 (2013-07-17)
NOTE
Pins on an RS232 port are identified uniquely. For details, see Figure 3-7 and Table 3-2.
1
5
6
9
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Copyright © Huawei Technologies Co., Ltd.
Description
Reserved
Receives data.
Common terminal
Reserved
Sends data.
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