Huawei DBS3900 Installation Manual page 95

DBS3900 (Ver.B)
Installation Guide
2.
Issue 06 (2011-09-15)
Figure 6-75 Installing the power cable for the heating film in the IBBS200D
(1) Junction box in the power cabinet
Install the power cable for the heating film in a second IBBS200D if the configuration
proportion of APM30Hs and IBBS200Ds is 1:2. Respectively link the OT terminals on the
brown and blue wires at one end of the power cable for the heating film in the IBBS200D
to the L1 and N1 terminals in the junction box on the left of the APM30H, and then
respectively link the OT terminals on the brown and blue wires at the other end to the L
and N wiring terminals in the junction box for the heating film on the left of the second
IBBS200D, as shown in
WARNING
When installing the power cable for the heating film near the junction box in the IBBS200D,
do not connect the cables in the manner shown in
l Do not expose the wires of the power cable for the heating film outside the power supply
box for the heating film.
l The power cable for the heating film must be led into the power supply box for the
heating film from the top, not from the bottom.
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6 Outdoor Scenario with AC Power Supply (BBU Installed
(2) Junction box for the heating film
Figure 6-75.
Figure 6-76.
in an APM30H)
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