TP48200A-HT15D3 Telecom Power (Russia, Megafon)
User Manual
3 Components
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
33
Figure 3-13
TEC04C
(1) External circulation
fan
(2) External heat sink
(3) Semiconductor refrigeration
chip
(4) Internal heat sink
(5) Internal circulation
fan
TCUA
The TCUA controls the running of the fans and refrigeration chip and monitors the TEC. It
reports alarms when faults occur. Figure 3-14 shows a TCUA.