Huawei MTS9300A - 3.3 User Interface Module UIM05 B1

3.3 User Interface Module UIM05B1
Figure 3-10 Panel
(1) Dry contact and sensor
ports
(2) COM communications port (3) Battery temperature sensor
port
(4) Door status sensor port (5) Battery switch (6) Cable hole for fan cables
(7) Handle
NO TE
The battery switch is used only when the mains is unavailable.
Figure 3-11 Dry contacts
Figure 3-12 Pins in a COM port
Table 3-13 Pin denitions for a COM port
Pin
Signal Description
1 RS485_RX+ RS485 data +
MTS9300A Telecom Power (Ooredoo, Indonesia,
MTS9304A-HD2002)
User Manual 3 Components
Issue 06 (2021-10-13) Copyright © Huawei Technologies Co., Ltd. 29