3Com 4800G Getting Started Guide - Page 18

Power Supply System, Cooling System, LEDs, Switch 4800G 48-Port, Appearance - me

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18 CHAPTER 1: PRODUCT OVERVIEW (1) RPS port (3) Grounding screw (5) Extended module slot 2 (2) AC power socket (4) Extended module slot 1 Power Supply System The Switch 4800G 24-Port SFP 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 Input voltage range: 90 VAC to 264 VAC, 47 Hz or 63 Hz Only the RPS recommended by 3Com can be used for the Switch 4800G 24-Port SFP. 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 Cooling System The Switch 4800G 24-Port SFP is equipped with six fans for heat dissipation. LEDs The LEDs on the front panel of the Switch 4800G 24-Port SFP are the same as those of the Switch 4800G PWR 24-Port. For details, see Table 5. Switch 4800G 48-Port Appearance The Switch 4800G 48-Port provides twenty-four 1000Base-X SFP ports, eight auto-sensing 10/100/1000Base-T Ethernet ports, and one console port on the front panel, and two AC or DC power sockets and two extended module slots on the rear panel. Figure 13 shows the appearance of the Switch 4800G 48-Port. Figure 13 Appearance of the Switch 4800G 48-Port

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18
C
HAPTER
1: P
RODUCT
O
VERVIEW
Power Supply System
The Switch 4800G 24-Port SFP 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
Input voltage range: 90 VAC to 264 VAC, 47 Hz or 63 Hz
Only the RPS recommended by 3Com can be used for the Switch 4800G
24-Port SFP. 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
Cooling System
The Switch 4800G 24-Port SFP is equipped with six fans for heat dissipation.
LEDs
The LEDs on the front panel of the Switch 4800G 24-Port SFP are the same as
those of the Switch 4800G PWR 24-Port. For details, see Table 5.
Switch 4800G 48-Port
Appearance
The Switch 4800G 48-Port provides twenty-four 1000Base-X SFP ports, eight
auto-sensing 10/100/1000Base-T Ethernet ports, and one console port on the
front panel, and two AC or DC power sockets and two extended module slots on
the rear panel.
Figure 13 shows the appearance of the Switch 4800G 48-Port.
Figure 13
Appearance of the Switch 4800G 48-Port
(1) RPS port
(2) AC power socket
(3) Grounding screw
(4) Extended module slot 1
(5) Extended module slot 2