Huawei DBS3900 Installation Manual page 88

DBS3900 LampSite
Installation Guide
Using the CPRI_E1 port on the pRRU3901 has the same Ethernet cable connection to the
RHUB 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 Install an Ethernet cable between an RHUB and a pRRU3901.
1.
2.
3.
4.
Step 3 Optional: Install the Ethernet cable between the pRRU3901 and the AC. This operation is
required when the pRRU3901 with three transmission ports is configured with a Wi-Fi
daughter board.
1.
2.
3.
Issue 06 (2015-10-30)
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 DBS3900 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.
Remove the dustproof cap of the CPRI_E0 port on the pRRU3901.
Connect the RJ45 connector at one end of the Ethernet cable to the CPRI_E0 port on the
pRRU3901 panel.
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.
Connect the RJ45 connector at the other end of the Ethernet cable to any port ranging
from CPRI_E0 to CPRI_E7 on the RHUB panel based on the engineering design, as
shown in Figure 7-29.
Remove the dustproof cap of the GE port on the pRRU3901.
Connect the RJ45 connector at one end of the Ethernet cable to the GE port on the
pRRU3901 panel.
Connect the RJ45 connector at the other end of the Ethernet cable to the transmission
port of the AC based on the engineering design, as shown in
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7 Installing a pRRU3901
Step 1.1 and Step 1.2.
Figure 7-29.
82