Installing A Prru3911/Prru3911+Wifi Ethernet Cable - Huawei DBS3900 Installation Manual

DBS3900 LampSite
Installation Guide
Follow-up Procedure
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8.4.6 Installing a pRRU3911/pRRU3911+WIFI Ethernet Cable

This section describes how to install a pRRU3911/pRRU3911+WIFI Ethernet cable.
Prerequisites
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Context
The Ethernet cable has the following functions:
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Procedure
Step 1 Make the Ethernet cables.
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Step 2 Install an Ethernet cable between an RHUB and a pRRU3911/pRRU3911+WIFI.
Step 3 Connect the RJ45 connector at one end of the Ethernet cable to the CPRI_E0 port on the
pRRU3911/pRRU3911+WIFI panel.
Issue 08 (2016-05-30)
Route the cable, and then use a cable tie to bind the cable. For details, see 8.4.1
Requirements for Cable Layout.
Label the installed cable. For details, see section 15.4 Attaching an L-Shaped Label.
The Ethernet cable must be of Category 5e (enhanced) or higher. In addition, its
cross-sectional area must be 24 AWG or larger and frame spread rating must be CM or
higher.
The Ethernet cables can be straight-through cables.
With the internal PoE module providing power, the maximum length of an Ethernet
cable is 100 m. With the Extender, the distance of the pRRU3911/pRRU3911+WIFI and
RHUB can be extended by the Extender up to a total distance of 200 m.
Ethernet cables are not delivered, and they must be prepared onsite. You need to use a
network cable tester to test the Ethernet cable connection.
Provides power supply for the pRRU3911/pRRU3911+WIFI when the cable connects
the CPRI_E0 port on the /pRRU3911+WIFI to the RHUB.
Transmits CPRI signals between an RHUB and a pRRU3911/pRRU3911+WIFI.
Assemble an RJ45 connector and an Ethernet cable by following instructions in
Assembling the Unshielded RJ45 Connector and the Ethernet Cable, Assembling the
Shielded RJ45 Connector and the Ethernet Cable.
Follow pin assignment instructions described in section Ethernet Cable in DBS3900 LampSite Hardware
Description to assemble the RJ45 connector and the Ethernet cable. Otherwise, the transmission signal
quality deteriorates and CPRI links may be disconnected.
Check whether the made RJ45 connector is qualified by following instructions in
Checking the Appearance of Metal Contact Strips.
To complete the assembly of the other end, repeat
Check whether the touch points on the connectors at both ends are normally conducted
and well contacted and whether the connections are correct by following instructions in
Testing the Connection of Assembled Cables of Installation Reference.
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8 Installing a pRRU3902 or pRRU3911 or
pRRU3911+WIFI
Step 1.1 and Step 1.2.
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