Heat Dissipation; Specifications - Huawei S2750 Series Hardware Description

S2750 Series Ethernet Switches
Hardware Description
Figure 2-10 Power supply by a single AC power module on a non-PoE model
Motherboard
L: Live wire

2.3.6 Heat Dissipation

Table 2-10
Table 2-10 Heat dissipation methods of the S2750-EI series switches
Device Model
l S2750-28TP-EI-AC
l S2751-28TP-PWR-
l S2750-20TP-PWR-
l S2750-28TP-PWR-

2.3.7 Specifications

Table 2-11
Table 2-11 Specifications of the S2750-EI
Item
DDR memory
Flash memory
Issue 04 (2014-03-20)
PWR
N: Neutral wire
lists the heat dissipation methods of the S2750-EI series switches.
EI-AC
EI-AC
EI-AC
lists specifications of the S2750-EI series switches.
Description
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200 MB
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12V GND
L N PGND
PGND: Protective ground wire
Heat Dissipation Method
Natural heat dissipation
Forcible heat dissipation
The air flows in from the left and flows out from the right.
MOD E
2 Chassis
GND: 12 V reference ground
4
3
2
Cold air
Hot air
CONS OLE
22