TP48200A-HX09A1 and TBC300A-DCA5 Telecom
Power
User Manual
3 Components
Issue 03 (2019-11-15)
Copyright © Huawei Technologies Co., Ltd.
36
(10) Temperature signal
port 1
(11) TEC air conditioner port
(12) Internal fan port 1
(13) Internal fan port 2
(14) Temperature signal port 2
3.7.2 Heater
A heater assembly unit (HAU) is adopted to ensure a proper operating temperature for the
equipment inside the cabinet.
Figure 3-17
Heater
(1) Indicators
(2) Alarm dry contact
(3) Control dry contact
(4) AC input port
Table 3-13
Indicator description
Silk Screen
Color
Status
Description
RUN
Green
Steady on
The heater has been powered on and has conducted a self-test.
Off
The heater is not powered on.
ALM
Red
Off
No alarm has been generated.
Steady on
An alarm has been generated and the heater needs to be
replaced.