Installing An Rhub3908 Alarm Cable (Optional) - Huawei DBS3900 Installation Manual

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Installation Guide
Figure 5-35 Installing an CRPI optical cable
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Follow-up Procedure
1.
2.

5.4.8 Installing an RHUB3908 Alarm Cable (Optional)

An RHUB3908 alarm cable transmits dry node alarm signals.
Prerequisites
Connectors for an alarm cable are prepared.
Context
Figure 5-36
installation position on both ends of the RHUB3908 cable.
Issue 08 (2015-01-15)
NOTE
l If one end of the CPRI cable is connected to the DLC connector, the other end connects the BBU or
RHUB3908 through the DLC connector. If one end of the CPRI cable is connected to the ODF adapter,
the other end connects the BBU or RHUB3908 through a connector corresponding to the adapter. The
connectors include the FC connector, SC connector, and LC connector.
l When connecting the CPRI cable to the TX and RX ports of the optical module through connectors in
a cross manner, ensure that one end of a core of the CPRI cable is connected to the TX port and the
other end is connected to the RX port.
connecting the BBU and RHUB3908s.
Route the cable, and then use a cable tie to bind the cable. For details, see
Requirements for Cable
Label the installed cable. For details, see section
shows the exterior of an RHUB3908 alarm cable. RHUB Cable List shows the
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Figure 5-35 shows how to install a CPRI optical cable for
Layout.
8.3 Attaching an L-Shaped
5 Installing an RHUB3908
5.4.1
Label.
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