Huawei S1720-52GWR-4X - Page 72

Heat Dissipation
The S1720-20GFR-4TP has no fans and uses natural heat dissipation.
Technical Specications
Table 5-11 lists technical specications of the S1720-20GFR-4TP.
Table 5-11 Technical
specications
Item Description
Memory (RAM) 256 MB
Flash 200 MB
Mean time
between failures
(MTBF)
67 years
Mean time to
repair (MTTR)
2 hours
Availability > 0.99999
Service port
surge protection
Common mode: ±6 kV
Power supply
surge protection
±6 kV in dierential mode, ±6 kV in common mode
Dimensions (H x
W x D)
43.6 mm x 442.0 mm x 220.0 mm (1.72 in. x 17.4 in. x 8.7
in.)
Weight
(including
packaging)
3.5 kg (7.72 lb)
Stack ports Not supported
RTC Not supported
RPS Not supported
PoE Not supported
Rated voltage
range
100 V AC to 240 V AC, 50/60 Hz
Maximum
voltage range
90 V AC to 264 V AC, 47 Hz to 63 Hz
Maximum power
consumption
(100%
throughput)
20.7 W
S1700 Managed Series Ethernet Switches
Product Description
5 Hardware Structure
Issue 18 (2020-10-23) Copyright © Huawei Technologies Co., Ltd. 38