1. Cut the cable to the required length based on the actual cable route.
2. Strip 8 mm long jacket off the cable that is connected to the SLPU.
3. Use the screwdriver to press the bulge of the connector, insert the bare wire of the cable
into the connector, and then loosen the screwdriver to fix the cable. After the cable is
connected, slightly pull the cable to check whether the cable is securely connected.
Step 5 Route the cable by referring to 7.5.1 Cabling Requirements, and then use cable ties to bind the
cable.
Step 6 Label the installed cables by referring to Attaching an L-Shaped Label.
----End
7.4.4 (Optional) Installing a AC Heater
This section describes the procedures for installing a heater and related cables in a TMC11H.
Heaters may be required in a TMC11H based on actual requirements.
Context
If an SOU is not installed in the cabinet, an AC heater is preferentially installed in the bottom 1
U space of the cabinet, as shown in Figure 7-48. If an SOU is installed in the cabinet, an AC
heater must be installed above the SOU, as shown in Figure 7-49.
Figure 7-48 Position for installing an AC heater (1)
Figure 7-49 Position for installing an AC heater (2)
(1) AC heater
(2) SOU
DBS3900 (Ver.B)
Installation Guide
7 Outdoor Scenario with DC Power Supply (BBU Installed
in a TMC11H)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
179
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