3Com 4800G - Page 19

Switch 4800G 48-Port 19
Front Panel Figure 14 Front panel of the Switch 4800G 48-Port
Rear Panel Figure 15 Rear panel of the Switch 4800G 48-Port
Power System The Switch 4800G 48-Port can adopt two hot-swappable AC or DC power
modules 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 to 63 Hz
■ DC power input
Rated voltage range: -48 VDC to -60 VDC
Input voltage range: -36 VDC to -72 VDC
Cooling System The Switch 4800G 48-Port is equipped with six fans (four for the system, and one
for each power module) for heat dissipation.
LEDs For descriptions about LEDs, see Table 6. You can switch the Mode LED display
mode between speed and duplex by pressing the Mode button on the panel.
(1) 100/1000Base-X SFP port status LED (2) Auto-sensing 10/100/1000Base-T Ethernet
port status LEDs
(3) Console port (4) 7-segment digital LED
(5) System status LED (6) LED for power module slot 2
(7) LED for power module slot 1 (8) LED for extended module slot 1
(9) LED for extended module slot 2 (10) Mode LED
(11) Mode button
(1) (2) (3) (4) (5) (6) (7) (8)
(11) (10) (9)
(1) Grounding screw (2) Power module slot 1
(3) Power module slot 2 (4) Extended module slot 1
(5) Extended module slot 2
(1)
(2) (3) (4) (5)
(1)
(2) (3) (4) (5)
(1)
(2) (3) (4) (5)
(1)
(2) (3) (4) (5)
(1)
(2) (3) (4) (5)
(1)
(2) (3) (4) (5)