Huawei Quidway S3900 Series - S3928 P-PWR-EI Ethernet Switch; Front Panel; Figure 1-12 Rear Panel of the S3928 F-EI; Figure 1-13 Front Panel of the S3928 P-PWR-EI

Installation Manual
Quidway S3900 Series Ethernet Switches Chapter 1 Product Overview
Huawei Technologies Proprietary
1-27
(1)
(2)
(3)
(1)
(2)
(3)
(1) AC power socket (2) DC power socket (3) Grounding screw
Figure 1-12 Rear panel of the S3928F-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
1.8 S3928P-PWR-EI Ethernet Switch
1.8.1 Front Panel
I. Schematic diagram
On its front panel the S3928P-PWR-EI provides 24 x 10Base-T/100Base-TX Ethernet
ports, four 1000 Mbps SFP ports, and one Console port, as shown in Figure 1-13:
(1)
(2)
(3)
(4)
(7)
(6)
(5)
(8)
(1)
(2)
(3)
(4)
(7)
(6)
(5)
(8)
(1) 24 x 10Base-T/100Base-TX Ethernet port status LEDs
(2) Four 1000 Mbps SFP port status LEDs
(3) Console port (4) 7-segment digitron display
(5) Port mode LED (6) Mode button
(7) DC-input power LED (8) AC-input power LED
Figure 1-13 Front panel of the S3928P-PWR-EI
II. LEDs
On its front panel the S3928P-PWR-EI provides one AC-input power LED, one
DC-input power LED, one port mode LED, one 7-segment digitron display, 24 x
10Base-T/100Base-TX Ethernet port status LEDs, and four 1000 Mbps SFP port status
LEDs,. You can learn how it operates by reading the LEDs as shown in Table 1-13: