3com 3CDSG8 User Guide

Page of 94
Getting Started 
 
LED Label 
Status 
Description 
Power 
Power 
Green 
The power adapter is providing power to the switch 
 
 
OFF 
The power adapter is not connected correctly or has failed. 
System 
System 
Green 
The switch is operating normally. Flashes green when the 
switch is performing power-on self test (POST) or upgrading 
firmware. 
 
 
Yellow 
The switch has failed POST or the software image is corrupt. 
Consult troubleshooting section. 
SFP Module Active 
Module 
Active 
Green 
 
The SFP module is inserted and recognised. 
 
 
OFF 
The SFP module is inserted without link, no SFP module is 
inserted or the SFP module is not recognized 
10/100/1000 BASE-
T Ethernet Port 
Status 
Port Status 
Green 
The port is connected at 1000Mbps. The LED flashed when 
traffic is transmitted or received. 
 
 
Yellow 
The port is connected at 10 or 100Mbps. The LED flashed 
when traffic is transmitted or received. 
 
 
OFF 
The port is not connected 
SFP Ethernet Port 
Status 
Port Status 
8/SFP 
Green 
The SFP module has a valid link. The LED flashed when traffic 
is transmitted or received. 
 
 
OFF 
The SFP Module has no link. 
Duplex Mode 
Duplex 
Yellow 
The port is in full duplex 
 
 
OFF 
The port is not connected, or is connected at half duplex. 
 
 
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System Specifications 
 
Table 3 contains the system specifications of the OfficeConnect Managed Gigabit series switch.  
Table 3 System specifications of the Switch 
OfficeConnect Managed Gigabit 
series switch 
 
Specification
 
Switch OfficeConnect Managed Gigabit 3CDSG8
Physical dimensions 
225 x 135 x 27 mm (8.9 x 5.3 x 1.06 in.) 
Weight (Unpackaged)
 
0.57 kg (1.25 lb) 
Console port
 
One RJ-45 Console port
 
Gigabit Ethernet ports
 
8 × 10/100/1000 Mbps Ethernet ports including  one shared dual  
personality Gigabit SFP port 
DC Input voltage
 
Rated voltage range: 12V DC, 1A maximum
 
Power consumption  
23.9 BTU/hr (7.6 Watts) 
Operating temperature 
0 to 40 °C (32 to 113 °F) 
Relative humidity
 
10 to 90% non-condensing 
 
Additional specifications can be found in Chapter 14 “Device Specifications and Features”