Huawei S5700 Series - Page 188

Indicator Description
The S5700-28X-LI-24S-DC have the same types of indicators as the S5700-28X-LI-24S-AC.
For details, see Indicator Description.
Power Supply Configuration
The S5700-28X-LI-24S-DC has a built-in power module and does not support pluggable
power modules. It can connect to an RPS1800 power supply for power redundancy.
Figure 3-36 shows the power supply mode of a single DC power module. The built-in DC
power module (PWR) receives DC power from an external power source and provides a 12 V
output to the chassis.
Figure 3-36 Power supply by a single DC power module
Motherboard
GND12V
PWR
NEG RTN
NEG: negative cable RTN: positive cable GND: 12 V reference ground
Heat Dissipation
The S5700-28X-LI-24S-DC has built-in fans for forced air cooling. The airflow direction is
left-to-right.
1
2
3
4
MODE
STCK
SPED
STAT
SYS
RPS
PWR
Cold air
Hot air
NOTE
This figure only shows the airflow direction and does not depict the actual device.
Technical Specifications
Table 3-96 lists specifications of the S5700-28X-LI-24S-DC.
S5700 Series Ethernet Switches
Hardware Description
3 Chassis
Issue 24 (2016-08-12) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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