DBS3900 LampSite
Installation Guide
8 Installing a pRRU3902 or pRRU3911 or
pWIFI
Issue 08 (2016-05-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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mm high, as shown in Figure 8-60. This ensures that the mastic cement envelop does not
crack in case the cable is bent.
Figure 8-60
Fully sealed Ethernet ports
----End
8.4.7 Installing a pRRU3902 RF Jumper (Optional)
The RF Jumpers transmit radio frequency signals between pRRU3902 with external antennas
and the combiners. Only the pRRU3902 using external antennas can be configured with an
RF Jumper.
Context
An RF jumpers delivered is 50 cm at most.
If the RF jumper is provided by the customer, the jumper must not be lower than the
RG316 specifications. In addition, the jumpers can be used after they are checked by
Huawei engineers.
pRRU3902s can be connected to external whip antennas or external remote antennas
(through pRRU3902 RF jumpers). Whip antennas are delivered optionally. RF jumpers
are not delivered.
For details about the cable connections in the different scenarios, see 8.4.3 Cable
Connections. The installation of RF jumper cables are the same. The following section
describes the connections between antenna and pRRU3902 in the indoor scenario as an
example.
In the outdoor scenario, RF surge protector is needed to provide surge protection for the
RF ports. For details about the installation of RF surge protector, see 13 (Optional)
Installing the RF Surge Protector and Cables.