Chapter 1 Cabinet
F
IGURE
5 P
OWER
D
ISTRIBUTION SUBRACK
1.
–48V RTN
2.
-48V DC
describes the front panel of power distribution subrack.
T
ABLE
1 P
OWER
D
ISTRIBUTION SUBRACK
F
RONT
P
ANEL
D
ESCRIPTION
Silk screen
Name
Description
PWR
Overall power
supply and built-in
transmission
subrack power
supply
ON: Powered on
OFF: Powered off
LSP
Lightning filter
Provides lightning protection.
BBU1
Digital subrack
power supply
ON: Powered on
OFF: Powered off
BBU2
Digital subrack
power supply
ON: Powered on
OFF: Powered off
FAN
Fan subrack power
supply
ON: Powered on
OFF: Powered off
RSU1
RF unit power supply
1
ON: Powered on
OFF: Powered off
RSU2
RF unit power supply
2
ON: Powered on
OFF: Powered off
RSU3
RF unit power supply
3
ON: Powered on
OFF: Powered off
RSU4
RF unit power supply
4
ON: Powered on
OFF: Powered off
RSU5
RF unit power supply
5
ON: Powered on
OFF: Powered off
RSU6
RF unit power supply
6
ON: Powered on
OFF: Powered off
Confidential and Proprietary Information of ZTE CORPORATION
5