Huawei BTS3900A Installation Manual page 114

BTS3900A(Ver.B)
Installation Guide
2.
Issue 01 (2011-10-25)
Figure 12-19 Installing the power cable for the heating film in the IBBS200D
Link the OT terminal at one end of the power cable for the heating film of the upper
IBBS200D to the L2 and N2 terminals in the junction box on the left of the secondary
APM30H, and then link the OT terminal at the other end to the L and N terminals in the
junction box on the left of the corresponding IBBS200D for the heating film, as shown in
Figure 12-19.
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 as 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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12 Installing the Cables
Figure 12-20.
105