3Com 4800G Getting Started Guide - Page 9

Rear Panel, Power Supply System, Cooling System, LEDs, Input voltage range: 90 VAC to 264 VAC - switch 24 port

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Page 9 highlights

Switch 4800G 24-Port 9 (3) Console port (5) Power LED (7) LED for extended module slot 1 (9) Mode LED (4) 7-segment digital LED (6) RPS LED (8) LED for extended module slot 2 (10) Mode button Rear Panel Figure 3 Rear panel of the Switch 4800G 24-Port (1) (2) (3) (4) (5) (1) AC power socket (3) Grounding screw (5) Extended module slot 2 (2) RPS port (4) Extended module slot 1 Power Supply System The Switch 4800G 24-Port can adopt AC input, or 12 V RPS input, or both to provide backup. Only the recommended RPS can be used. ■ AC power input Rated voltage range: 100 VAC to 240 VAC, 50 Hz or 60 Hz Input voltage range: 90 VAC to 264 VAC, 47 Hz to 63 Hz ■ RPS input Rated voltage range: 10.8 VDC to 13.2 VDC Cooling System The Switch 4800G 24-Port is equipped with four fans for heat dissipation. LEDs For descriptions about LEDs, see Table 4. You can switch the Mode LED display mode between speed and duplex by pressing the Mode button on the panel. Table 4 LEDs on the front panel of the Switch 4800G 24-Port LED Mode LED Power LED Mark Status Mode Speed Solid green Duplex Solid yellow PWR Solid green Flashing green (1 Hz) Solid red Flashing yellow (1 Hz) OFF Description Rate of the port Duplex mode of the port The switch is started normally. The system is running a power-on self-test (POST). The system fails the POST or a power failure occurs. Some ports fail a POST or a port failure occurs. The power is disconnected.

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Switch 4800G 24-Port
9
Rear Panel
Figure 3
Rear panel of the Switch 4800G 24-Port
Power Supply System
The Switch 4800G 24-Port can adopt AC input, or 12 V RPS input, or both to
provide backup. Only the recommended RPS can be used.
■
AC power input
Rated voltage range: 100 VAC to 240 VAC, 50 Hz or 60 Hz
Input voltage range: 90 VAC to 264 VAC, 47 Hz to 63 Hz
■
RPS input
Rated voltage range: 10.8 VDC to 13.2 VDC
Cooling System
The Switch 4800G 24-Port is equipped with four fans for heat dissipation.
LEDs
For descriptions about LEDs, see Table 4. You can switch the Mode LED display
mode between speed and duplex by pressing the Mode button on the panel.
(3) Console port
(4) 7-segment digital LED
(5) Power LED
(6) RPS LED
(7) LED for extended module slot 1
(8) LED for extended module slot 2
(9) Mode LED
(10) Mode button
(1) AC power socket
(2) RPS port
(3) Grounding screw
(4) Extended module slot 1
(5) Extended module slot 2
(1)
(2)
(3)
(4)
(5)
(1)
(2)
(3)
(4)
(5)
Table 4
LEDs on the front panel of the Switch 4800G 24-Port
LED
Mark
Status
Description
Mode LED
Mode Speed
Solid green
Rate of the port
Duplex
Solid yellow
Duplex mode of the port
Power LED
PWR
Solid green
The switch is started normally.
Flashing green (1 Hz)
The system is running a power-on
self-test (POST).
Solid red
The system fails the POST or a power
failure occurs.
Flashing yellow (1 Hz)
Some ports fail a POST or a port
failure occurs.
OFF
The power is disconnected.