Power Supply Conguration
The S1730S-S48P4S-A is a PoE switch. It provides one power module slot that can
have a 1000 W PoE power module installed. Table 5-75 lists power supply
congurations.
Table 5-75 Power supply congurations
Power Module Available PoE Power Maximum Number of Ports
(Fully Loaded)
1000 W (220 V) 874 W ● 802.3af (15.4 W per port): 48
● 802.3at (30 W per port): 29
1000 W (110 V) 779 W ● 802.3af (15.4 W per port): 48
● 802.3at (30 W per port): 25
Heat Dissipation
The S1730S-S48P4S-A has two built-in fans for forced air cooling. Air ows in from
the left, right, and front sides, and exhausts from the rear panel.
Technical
Specications
Table 5-76 lists technical specications of the S1730S-S48P4S-A.
Table 5-76 Technical specications
Item Description
Memory (RAM) 1 GB
Flash 512 MB in total. To view the available ash memory size,
run the display version command.
Mean time
between failures
(MTBF)
61.7 years
Mean time to
repair (MTTR)
2
Availability > 0.99999
Service port
surge protection
Common mode: ±7 kV
Power supply
surge protection
±6 kV in dierential mode, ±6 kV in common mode
S1700 Managed Series Ethernet Switches
Product Description
5 Hardware Structure
Issue 18 (2020-10-23) Copyright © Huawei Technologies Co., Ltd. 169
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