Huawei SE2900 - Page 18

HUAWEI SE2900 Session Border Controller
Hardware Description
1 Service Processing Device
Issue 01 (2016-01-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
14
5. Captive
screw
6. Circuit breaker
7. Power input terminal
NEG(-)
8. Circuit breaker
protective cover
The circuit breaker is switched on when it is turned up and is switched off when it is turned down.
Indicators
Table 1-6 describes the STATUS indicator on the PEM panel.
Table 1-6 STATUS indicator on the PEM panel
Silk
Screen
Meaning
State
State Description
STATUS
Status
indicator
Off
There is no power supply.
Green
The PEM is operating properly.
Red

The power supply is abnormal.

The surge protection circuit is faulty.

The circuit breaker is faulty.
Technical Specifications
Table 1-7 lists the technical specifications of the PEM.
Table 1-7 PEM technical specifications
Item
Specifications
Mechanical
specificatio
ns
Dimensions (H x W x
D)
122.5 mm x 65.0 mm x 122.7 mm (4.82 in. x
2.60 in. x 4.83 in.)
Weight
1.0 kg (2.20 lb)
Input terminal
Duplex M6
Voltage
and current
Rated input voltage
-48 V DC to -60 V DC
Maximum input voltage
-40 V DC to -72 V DC
Total power inputs
1
Rated input current
60 A/power input
PEM voltage drop
≤ 0.5 V
Power rating
2400 W
Environme
ntal
specificatio
Temperature

Long-term operating temperature: 0°C to
45°C (32°F to 113°F)

Short-term operating temperature: -5°C to