Huawei S1700 Series Manual page 203

S1700 Managed Series Ethernet Switches
Product Description
Power Supply Configuration
The S1730S-S48P4S-A is a PoE switch. It provides one power module slot that can
have a 1000 W PoE power module installed.
configurations.
Table 5-75 Power supply configurations
Power Module
1000 W (220 V)
1000 W (110 V)
Heat Dissipation
The S1730S-S48P4S-A has two built-in fans for forced air cooling. Air flows in from
the left, right, and front sides, and exhausts from the rear panel.
Technical Specifications
Table 5-76
Table 5-76 Technical specifications
Item
Memory (RAM)
Flash
Mean time
between failures
(MTBF)
Mean time to
repair (MTTR)
Availability
Service port
surge protection
Power supply
surge protection
Issue 18 (2020-10-23)
Available PoE Power
874 W
779 W
lists technical specifications of the S1730S-S48P4S-A.
Description
1 GB
512 MB in total. To view the available flash memory size,
run the display version command.
61.7 years
2
> 0.99999
Common mode: ±7 kV
±6 kV in differential mode, ±6 kV in common mode
Copyright © Huawei Technologies Co., Ltd.
5 Hardware Structure
Table 5-75 lists power supply
Maximum Number of Ports
(Fully Loaded)
● 802.3af (15.4 W per port): 48
● 802.3at (30 W per port): 29
● 802.3af (15.4 W per port): 48
● 802.3at (30 W per port): 25
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