Huawei SE2900 - Page 13

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.
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Description
PEM is faulty, the power supply to the subrack is not affected.
Fan tray
2
Two fan trays are configured to draw in cool air from the front
of the subrack and exhaust warm air from the rear of the
subrack. Figure 1-7 shows the air flows.
Ground
point
2
The F8002 subrack provides two ground points.
If the subrack is used in North America, connect both ground
points. If the subrack is used in other regions, only connect one
of the ground points.
Electrostatic
discharge
(ESD) jack
1
The F8002 subrack provides one ESD jack.
Figure 1-7 Heat dissipation in the subrack
Figure 1-8 shows the power supply mode of the F8002 subrack. Each PEM supplies power to
all slots and fan trays in the subrack.