TP48200A-DX08A1 and TP48200A-DX08A2 Telecom
Power
User Manual
3 Components
Issue 06 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
28
Table 3-11
UIM02C pin definitions
Silkscreen
No.
Pin Definitions
TEM-HUM
1
12 V
2
ENV_TEMP
3
12 V
4
ENV_HUM
WATER
1
12 V
2
WATER
3
GND
4
Not defined
TEMP1
1
GND
2
TEMP1
TEMP2
1
GND
2
TEMP2
GATE
1
GATE+
2
GATE-
SMOKE
1
SMOKE
2
12 V
BTEMP
1
GND
2
BTEMP
3.6 Temperature Control Unit
3.6.1 Direct Ventilation
Working Principle
The fan exhausts hot air out of the cabinet, which saves the energy.
TCUC
The TCUC monitors the fans and reports alarms when faults occur. Figure 3-10 shows a
TCUC.