Huawei S1700 Series - Page 217

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USB ash drives from dierent vendors dier in model compatibility and drivers. If a USB
ash drive cannot be used, try to replace it with another one from a mainstream vendor.
Switches support a maximum of 128 GB USB ash drives.
Indicators
The S1730S-H48T4S-A has the same indicators as the S1730S-H24T4S-A. For
details, see Indicators.
Power Supply
Conguration
The S1730S-H48T4S-A has a built-in AC power module and does not support
pluggable power modules.
Heat Dissipation
The S1730S-H48T4S-A has one built-in fan for forced air cooling. Air ows in from
the left side and front panel, and exhausts from the right side.
Technical
Specications
Table 5-88 lists technical specications of the S1730S-H48T4S-A.
Table 5-88 Technical specications
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)
46.36 years
Mean time to
repair (MTTR)
2 hours
Availability > 0.99999
Service port
surge protection
Common mode: ±7 kV
Power supply
surge protection
±6 kV in dierential 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. 183