Huawei DBS3900 Installation Manual page 394

DBS3900 (Ver.B)
Installation Guide
Table 11-1 Specifications of a BBU PGND cable
Cable
BBU PGND cable
Procedure
Step 1 Prepare a BBU PGND cable.
1.
2.
Step 2 Install the BBU PGND cable.
Link the M4 OT terminal at one end of the BBU PGND cable to the ground terminal on the
BBU, and then link the M8 OT terminal at the other end to an external ground bar, as shown in
Figure
Figure 11-12 Installing a BBU PGND cable
Issue 06 (2011-09-15)
One End
OT terminal (M4, 6
mm
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.
11-12.
NOTE
When installing the PGND cable, tightly press the OT terminal in the correct direction, as shown in
11-13.
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11 Indoor Scenario with DC Power Supply (BBU Installed
The Other End
OT terminal (M8, 6
2
) mm
Description
Green and yellow
2
)
on a Wall)
Figure
381