DBS3800 Product Description
Issue V0.1 (2009-11-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7
Figure 2-1
BBU3806
The BBU3806 has two grounding screws on the front panel.
Table 2-1 lists the ports on the BBU3806.
Table 2-1
Ports on the BBU3806
Label
Remarks
PWR
Power supply socket for feeding external power
E1/T1/J1
FE0
FE1
Iub interface for transmitting baseband signals between the BBU3806
and the RNC
CPRI0
CPRI1
CPRI2
Optical ports between the BBU3806 and the RRU
EIa
Ports for connecting active and standby BBU3806s
EIb
Reserved
EXT_ALM
Port for four dry contact alarms
RS485
Port for RS485 alarm reporting
GPS
Port for GPS signal inputs
BITS
Port for BITS signal inputs
10M
Port for 10 MHz signal outputs
8K/TTI
8 kHz Transmission Time Interval (TTI) test port
ETH_RS232
Commissioning port
ESD
Port for connecting to the ESD wrist strap
RST
Reset button
An extension plugboard can be installed on the BBU3806, as shown in
Figure 2-2.