Installation Manual
Quidway S3900 Series Ethernet Switches
Chapter 1 Product Overview
Huawei Technologies Proprietary
1-14
1.4.2 Rear Panel
The S3928TP-SI has an AC power socket and a grounding screw on its rear panel, as
shown in Figure 1-6:
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1
）
（
2
）
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1
）
（
2
）
(1) AC-input power socket
(2) Grounding screw
Figure 1-6
Rear panel of the S3928TP-SI
Following are the input voltage specifications of the S3928TP-SI:
Rated voltage: 100 to 240 VAC; 50 to 60 Hz
Max. tolerance: 90 to 264 VAC; 50 to 60 Hz
1.5 S3952P-SI Ethernet Switch
1.5.1 Front Panel
I. Schematic diagram
On its front panel the S3952P-SI provides 48 fixed auto-negotiation
10Base-T/100Base-TX Ethernet ports, four 1000 Mbps SFP ports and one Console
port, as shown in Figure 1-7.
(1) 48 Ethernet port status LEDs
(2) Console port
(3) 7-segment digitron display
(4) Mode button
(5) AC-input power LED
(6) Port mode LED
(7) 1000 Mbps SFP port status LEDs
Figure 1-7
Front panel of the S3952P-SI
