Specifications - Huawei S2720 Series Hardware Description

S2720&S2750 Series Ethernet Switches
Hardware Description
Table 2-10 Heat dissipation methods of the S2720&S2750 series switches
Device Model
l S2750-28TP-EI-AC
l S2751-28TP-PWR-
l S2720-28TP-EI-AC
l S2750-20TP-PWR-
l S2750-28TP-PWR-

2.3.7 Specifications

Table 2-11
Table 2-11 Specifications of the S2720&S2750
Item
Memory (RAM)
Flash
Mean time between
failures (MTBF)
Mean time to repair
(MTTR)
Availability
Surge
protecti
on
Issue 08 (2015-02-12)
EI-AC
EI-AC
EI-AC
lists specifications of the S2720&S2750 series switches.
Description
256 MB
200 MB
l S2750-28TP-EI-AC: 44.3 years
l S2750-20TP-PWR-EI-AC: 78.68 years
l S2750-28TP-PWR-EI-AC: 78.29 years
l S2751-28TP-PWR-EI-AC: 79.94 years
l S2720-28TP-EI-AC: 44.3 years
2 hours
> 0.99999
Service Common mode: ±6 kV
port
protectio
n
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Copyright © Huawei Technologies Co., Ltd.
Heat Dissipation Method
Natural heat dissipation
Forcible heat dissipation
The air flows in from the left and flows out from the right.
MODE
2 Chassis
4
CONS OLE
3
2
Cold air
Hot air
28