Installation Manual
Quidway S3900 Series Ethernet Switches
Chapter 1 Product Overview
Huawei Technologies Proprietary
1-37
V. Console port
The S3952P-PWR-EI provides one EIA/TIA-232 compliant Console port for local or
remote switch configuration. For its attributes, see Table 1-4.
1.10.2 Rear Panel
The S3952P-PWR-EI has an AC-input power socket, a DC power socket and a
grounding screw on its rear panel, as shown in Figure 1-18:
（
1
）
（
2
）
（
3
）
（
1
）
（
2
）
（
3
）
(1) AC power socket
(2) DC power socket
(3) Grounding screw
Figure 1-18
Rear panel of the S3952P-PWR-EI
z
AC-input ranges:
Rated voltage: 100 to 240 VAC; 50 to 60 Hz
Max. tolerance: 90 to 264 VAC; 50 to 60 Hz
z
DC-input ranges:
Voltage: -53 to -55 VDC
Note:
The S3928P-PWR-EI/S3952P-PWR-EI can only use PoE external power supply
recommended by Huawei-3Com as the DC-input, otherwise, the device can be
damaged.
1.11 System Features of the S3900 Series
Table 1-16
System features of the S3900 series
Item
S3900 series
Dimensions
(Height x width x
depth)
43.6 x 440 x 260 mm (1.72 x 17.32 x 10.24 in.)
43.6 x 440 x 420 mm (1.72 x 17.32 x 16.54 in.)
(S3928P-PWR-EI, S3952P-PWR-EI)
