3.1 H303ESC EMU
This topic describes the function and front panel of the H303ESC environment monitoring unit
(EMU), and provides the specifications of the H303ESC EMU.
Function
The H303ESC EMU monitors the environment parameters (smoke, water, door-status, MDF,
temperature, and humidity) of the entire device, and provides extended monitoring ports.
Front Panel
shows the front panel of the H303ESC EMU.
Figure 3-1
Front panel of the H303ESC EMU
ESC ALARM BOX
RUN
ON
OFF
shows the rear panel of the H303ESC EMU.
Figure 3-2
Rear panel of the H303ESC EMU
H301ESIB
JTA2
JTA1
JTA4
JTA3
JTA6
JTA5
JAK2
JAK1
JAK3 JTD19
JTD16
JTD18
JTD20
JTD15 JTD14 JTD13
JAB1JAK4 JAC1 JAC2 JTM1 JTP1 JTD17
JTD4
JTD3
JTD2
JTD1
JTD8
JTD7
JTD6
JTD5
JTD12
JTD11
JTD10
JTD9
SIO1
RSP/PV8
JC2
JC4
JC1
JC3
JP1
JP2
JP3
Front Panel Description
The front panel of the H303ESC EMU has one running status LED and one buzzer switch.
describes the running status LED.
Table 3-1
Running status LED
Item
Status
Description
RUN
On for 1s and off for 1s
repeatedly
The EMU works in the normal
state
0.5s on and 0.5s off repeatedly The EMU is faulty
UA5000 Universal Access Unit
Environment Monitoring
3 H303ESC Monitoring Solution
Issue 01 (2012-08-17)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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