S3928P-Pwr-Ei Ethernet Switch; Front Panel; Figure 1-12 Rear Panel Of The S3928F-Ei; Figure 1-13 Front Panel Of The S3928P-Pwr-Ei - Huawei Quidway S3900 Series Installation Manual

Installation Manual
Quidway S3900 Series Ethernet Switches
(1) AC power socket

Figure 1-12 Rear panel of the S3928F-EI

AC-input ranges:
Rated voltage: 100 to 240 VAC; 50 to 60 Hz
Max. tolerance: 90 to 264 VAC; 50 to 60 Hz
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) 24 x 10Base-T/100Base-TX Ethernet port status LEDs
(2) Four 1000 Mbps SFP port status LEDs
(3) Console port
(5) Port mode LED
(7) DC-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:
(1) (1) (2) (2)
(2) DC power socket
(1) (1)
(2) (2)
Huawei Technologies Proprietary
(3) (4) (3) (4)
(7) (7)
(5) (5)
(6) (6) (8) (8)
1-27
Chapter 1 Product Overview
(3) (3)
(3) Grounding screw
(4) 7-segment digitron display
(6) Mode button
(8) AC-input power LED