Power Modules - Huawei S5700 Series Hardware Description

S5700 Series Ethernet Switches
Hardware Description
Figure 3-13 Power supply mode of a built-in AC power module
Motherboard
L: live wire
Heat Dissipation
The S5700-52P-LI-AC has built-in fans for forced air cooling. The airflow direction is left-to-
right.
Technical Specifications
Table 3-34
Table 3-34 Technical specifications
Item
Memory (RAM)
Flash
Mean time between
failures (MTBF)
Mean time to repair
(MTTR)
Availability
Service port surge
protection
Issue 24 (2016-08-12)
PWR
N: neutral wire
PWR
RPS
SYS
STAT
SPED
STCK
MODE
NOTE
This figure only shows the airflow direction and does not depict the actual device.
lists technical specifications of the S5700-52P-LI-AC.
Description
256 MB
l V200R001: 64 MB
l V200R002 and later versions: 200 MB
39.26 years
2 hours
> 0.99999
Common mode: ±6 kV
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12V GND
L N PGND
PGND: protection ground
4
3
2
1
Cold air
Hot air
GND: 12 V reference ground
3 Chassis
103