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Huawei OptiX RTN 900 Quick Installation Manual page 11

Radio transmission system

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The Internal Structure of the APM30H and TMC11H Cabinets
• Internal Structure of the APM30H Cabinet (AC Power Supply)
Fan unit*
Heater
• Internal Structure of the TMC11H Cabinet (DC Power Supply)
Fan unit*
NOTE
*: A fan box consists of an embedded fan and monitoring board. The monitoring board varies depending on the cabinet version.
Cabinet Version
APM30H/TMC11H Ver.E
APM30H/TMC11H Ver.D
APM30H/TMC11H Ver.C
APM30H/TMC11H Ver.B
SLPU
EPU frame
SOU
DCDU-12B
Fan Box
FAN 02E
FAN 02D
FAN 02B
FAN 02A
Monitoring Board
CCUB board
CMUEA board
HPMI and CMUE boards
HPMI and CMUA boards
9

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