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Installation Manual
Quidway S3900 Series Ethernet Switches
Chapter 1 Product Overview
Huawei Technologies Proprietary
1-20
Note:
The available 1000 Mbps SFP modules are subject to changes. For information on the
latest module options, contact your sales agent.
1.6.2 Rear Panel
The S3928P-EI has an AC-input power socket, a DC power socket and a grounding
screw on its rear panel, as shown in Figure 1-10.
(1)
(2)
(3)
(1)
(2)
(3)
(1) AC power socket
(2) DC power socket
(3) Grounding screw
Figure 1-10
Rear panel of the S3928P-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:
Rated voltage: -48 to -60 VDC
Max. tolerance: -36 to -72 VDC
1.7 S3928F-EI Ethernet Switch
1.7.1 Front Panel
I. Schematic diagram
On its front panel the S3928F-EI provides 24 x 100 Mbps SFP ports, two 1000 Mbps
SFP ports, two 10/100/1000Base-T Ethernet ports, and one Console port, as shown in
Figure 1-11: