Rear Panel; Power Supply System; Cooling System; Leds - H3C S5500-28C-EI Installation Manual

Installation Manual
H3C S5500-EI Series Ethernet Switches

1.5.3 Rear Panel

(1) RPS port
(3) Grounding screw
(5) Extended module slot 2
Figure 1-12 Rear panel of the S5500-28C-PWR-EI

1.5.4 Power Supply System

The S5500-28C-PWR-EI can adopt AC power input, or DC power input, or both to
provide backup.
AC power input
Rated voltage range: 100 VAC to 240 VAC, 50 Hz or 60 Hz
Rated voltage range: 90 VAC to 264 VAC, 47 Hz to 63 Hz
Only the RPS recommended by H3C can be used for the S5500-28C-PWR-EI. The –48
VDC power supply in the equipment room cannot be used directly. Otherwise, the
device may be damaged.
DC power input
Rated voltage range: –52 VDC to –55 VDC

1.5.5 Cooling System

The S5500-28C-PWR-EI is equipped with six fans for heat dissipation.

1.5.6 LEDs

For descriptions about LEDs, see Table 1-5. You can switch the Mode LED display
mode between speed, duplex, and PoE by pressing the Mode button on the panel.
Table 1-5 Descriptions of the LEDs on the front panel of S5500-28C-PWR-EI
LED
Mode LED
(1) (1) (2) (2)
Mark
Speed
Duplex
Mode
PoE
1-15
Chapter 1 Product Overview
(3) (3)
(4) (4)
(2) AC power socket
(4) Extended interface module slot 1
Status
Solid green Rate of the port
Solid yellow Duplex mode of the port
Flashing
PoE mode of the port
green (1 Hz)
(5) (5)
Description