Huawei MTS9300A - Page 46

Silk
Screen
Denition Description Alarm
Status
DO2 Overload
warning,
overdischar
ge
protection
If the ESM raises one of the following
alarms, the dry contact supplies an
alarm signal:
Discharge undervoltage alarm,
discharge undervoltage protection, and
discharge overcurrent warning
Activation and Startup
An ESM can be activated in three modes. After being activated, the ESM switches
from the sleep mode to disconnected mode.
● Activation through the PWR terminal: supply 43.2–58 V DC power to the PWR
terminal on the ESM panel for at least 5s.
● Activation through the MANUAL ON/OFF button: hold down the MANUAL
ON/OFF button on the ESM panel for at least 5s and less than 15s.
● Activation through the power port: supply a DC voltage of 43.2–58 V to the
power terminal on the front panel for at least 5s.
NO TE
1. The MANUAL ON/OFF button is a contact button. The interval for pressing the
button should be greater than 0.5s; otherwise, the operation is
ineective.
2. If you have forcibly powered o the battery that is in charging, discharging, or
disconnected mode by pressing the MANUAL ON/OFF button, the ESM can be only
reactivated by pressing and holding this button.
Technical
Specications
Table 3-21 Technical specications
Item
Specications
Dimensions (W x D
x H)
● 442 mm x 396 mm x 130 mm (excluding mounting
ears)
● 482 mm x 396 mm x 130 mm (including mounting
ears)
Weight 44 kg
Installation mode Installed in a 19-inch rack
Maintenance mode Maintained from the front
Humidity 5%–95%
Altitude 0–4000 m (When the altitude ranges from 2000 m to
4000 m, the highest operating temperature decreases by
1°C for each additional 200 m.)
MTS9300A Telecom Power (Ooredoo, Indonesia,
MTS9304A-HD2002)
User Manual 3 Components
Issue 06 (2021-10-13) Copyright © Huawei Technologies Co., Ltd. 40