Figure 15-30 Installing The Power Cable And Monitoring Signal Cable (+24 V Dc) - Huawei DBS3900 Installation Manual

DBS3900(ICR)
Installation Guide
l
Issue 01 (2011-03-30)

Figure 15-30 Installing the power cable and monitoring signal cable (+24 V DC)

(1) In-position signal cable for
the PSU
8. Route cables by referring to
9. Use cable ties to bind cables.
10. Label the installed cables by referring to Attaching an L-Shaped Label.
Installing the power cable and monitoring signal cable for the DCDU in the 220 V AC
power supply scenario
1. Prepare the power cable.
(1) Cut the cable to the required length based on the actual cable route.
(2) Add OT terminals to both ends of the cable.
2. Connect one end of the power cable to the wiring terminals labeled LOAD1(-)/
LOAD2(-) and RTN(+) on the power equipment (AC/DC).
3. Connect the other end to the wiring terminals labeled NEG(-) and RTN(+) on the
DCDU.
4. Connect one end of the monitoring signal cable to the MON0 port on the UPEU.
5. Connect the other end to the RS232/RS485 port on the power equipment (AC/DC).
The red cable in Figure 15-31
signal cable.
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(2) Monitoring signal cable for the
PSU
15.1 Cabling Requirements.
is the power cable, and the blue cable is the monitoring
15 Installing Cables
(3) Power cable for the DCDU
15-55