DBS3800 Product Description
Issue V0.1 (2009-11-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
11
Figure 2-7
BBU3806C
The BBU3806C has two grounding screws at the bottom.
Table 2-5 lists the ports on the BBU3806C.
Table 2-5
Ports on the BBU3806C
Position
Label
Remarks
PWR
Power supply socket for feeding external power supply
8*E1/T1
2*FE
Iub interface for transmitting baseband signals between the
BBU3806C and the RNC
E1 GND
Grounding port for E1 cables
GPS
Port for GPS signal input
OPT
Reserved
RS485
Port for reporting RS485 alarms
Bottom
EXT_AL
M
Port for four dry contact alarms
CPRI0
CPRI1
CPRI2
Optical ports for connecting the BBU3806C and the RRU
Cabling
cavity
EIa
Reserved
ON/OFF
Power switch
10M
Port for 10 MHz clock outputs
8K/TTI
8 kHz TTI test port
ETH_RS
232
Commissioning port
Maintenance
cavity
RST
Reset button