Huawei DBS3900 Installation Manual page 44

LampSite
Installation Guide
Using the CPRI_E1 port on the pRRU3901 has the same Ethernet cable connection to the
RHUB3908 as using the CPRI_E0 port. The following section describes the connection using
the CPRI_E0 port.
Procedure
Step 1 Make the Ethernet cables.
1.
2.
3.
4.
Step 2 Remove the dustproof cap of the CPRI_E0 port on the pRRU3901.
Step 3 Connect the RJ45 connector at one end of the Ethernet cable to the CPRI_E0 port on the
pRRU3901 panel.
Step 4 Optional: Connect the RJ45 connector at the other end of the Ethernet cable to the output port
of the Extender. Then, connect the RJ45 connector at one end of another Ethernet cable to the
input port of the Extender.
If the Extender is used, the Ethernet cable is divided into two parts, one between the RHUB3908
and the Extender and the other between the Extender and the pRRU3901.
Step 5 Connect the RJ45 connector at the other end of the Ethernet cable to any port ranging from
CPRI_E0 to CPRI_E7 on the RHUB3908 panel based on the engineering design, as shown in
Figure
Figure 5-32 Install an Ethernet cable between an RHUB3908 and a pRRU3901
(1) Ethernet cable
Issue 08 (2015-01-15)
Assemble an RJ45 connector and an Ethernet cable by following instructions in Assembling
the Unshielded RJ45 Connector and the Ethernet Cable of Installation Reference.
NOTE
Follow pin assignment instructions described in section Ethernet Cable in LampSite Hardware
Description to assemble the unshielded 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.
5-32.
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(2) CPRI_E0 port on the pRRU3901
5 Installing an RHUB3908
Step 1.1 and Step 1.2.
39