Huawei SE2900 - Page 24

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.
20
Figure 1-16 Rear view of an F8002 subrack
Table 1-12 describes the components of the F8002 subrack.
Table 1-12 F8002 subrack components
Componen
t
Quantit
y
Description
MXU
2
The MXUs implement operation, maintenance, and
management of the system.
Two MXUs are installed in slots 2 and 5 to work in
active/standby mode.
Service
boards
4
The service boards can be installed in slots 1, 3, 4, and 6. The
service boards in any two slots can be configured in
active/standby mode.
AC PSU
2
Two AC PSUs are configured in 1+1 redundancy mode. If one
AC PSU is faulty, the power supply to the subrack is not
affected.
Fan tray
2
Two fan trays are configured to perform heat dissipation for
the components in the subrack. Figure 1-17 shows the air
flows.

Heat dissipation of the subrack: The fans draw in cool air
from the front of the subrack and exhaust warm air from the
rear of the subrack.

Heat dissipation of the PSUs: The fans draw in cool air
from the side panels of the subrack and exhaust warm air
from the rear of the subrack.
Ground
point
2
The F8002 subrack provides two ground points.
If the subrack is used in North America, connect both the
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.