Huawei DBS3900 Installation Manual page 397

DBS3900 (Ver.B)
Installation Guide
Procedure
Step 1 Prepare a DCDU-03B power cable.
1.
2.
Step 2 Install the DCDU-03B power cable, as shown in
1.
2.
Step 3 Route the cable by referring to
the cable.
Step 4 Label the installed cables. For details, see Attaching a Cable-Tying Label.
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Installing a BBU Power Cable
A BBU power cable feeds power into a BBU.
Context
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Issue 06 (2011-09-15)
NOTE
The colors and structures of cables vary according to countries and areas. If the cables are purchased locally,
the colors and structures of the cables may be different.
Cut the cable to the required length based on the actual cable route.
Add an OT terminal to each end of the cable. For details, see Assembling the OT Terminal
and the Power Cable.
Link the OT terminals at one end of the DCDU-03B power cable to the wiring terminals
labeled NEG(-) and RTN(+) on the DCDU-03B.
Link the OT terminals at the other end to external power equipment.
Figure 11-15 Installing a DCDU-03B power cable
In the triple mode scenario, two BBUs are required. A second BBU power cable is installed
in the same manner as the first BBU power cable.
Table 11-4 lists the specifications for a BBU power cable when a DCDU-03B supplies
power.
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11 Indoor Scenario with DC Power Supply (BBU Installed
Figure
11.4.1 Cabling Requirements, and then use cable ties to bind
11-15.
on a Wall)
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