Installing A Bbu Alarm Cable - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide
Step 2 Route the cable by referring to
the cable.
Step 3 Label the installed cables. For details, see Attaching an L-Shaped Label.
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12.4.6 Installing a BBU Alarm Cable

A BBU alarm cable transmits alarm signals from external alarm equipment to a BBU.
Procedure
Step 1 Install a BBU alarm cable, as shown in
BBU Alarm Cable.
1.
2.
Issue 06 (2011-09-15)
Figure 12-20 Installing a monitoring signal cable for the EMUA
Link the RJ45 connector at one end of the BBU alarm cable to the port labeled EXT-ALM0/
EXT-ALM1 on the UPEU in the BBU.
Link the RJ45 connector at the other end to external alarm equipment.
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12 Indoor Scenario with DC Power Supply (BBU Installed in
12.4.1 Cabling Requirements, and then use cable ties to bind
Figure 12-21. For details about a BBU alarm cable, see
a 19-Inch Rack)
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