Huawei Telecom Power TP48200A-HX09A3 User Manual page 50

TP48200A-HX09A3, TP48200A-HX09A4,
TBC300A-DCA3, TBC300A-DCA5 and
TBC300A-TCA2 Telecom Power
User Manual
Figure 3-23 TEC04C
(1) External circulation fan
(4) Internal circulation
heat sink
TCUA
TCUA controls the operating of the fans and refrigeration chip, monitors the TEC, and reports
alarms if faults occur. Figure 3-24 shows a TCUA.
Issue 04 (2019-11-15)
(2) External circulation
heat sink
(5) Internal circulation fan
Copyright © Huawei Technologies Co., Ltd.
3 Components
(3) Semiconductor
refrigeration chip
43