Netgear GSM7212 설치 설명서

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Managed Layer 2 Switches GSM7212, GSM7224, and GSM7248 Hardware Installation Guide
Introduction
2-5
v1.0, March 2006
GSM7248 Rear Panel
The rear panel has a standard AC power receptacle for the supplied power cord.
Safety Instructions
Use the following safety guidelines to ensure your own personal safety and to help 
protect your system from potential damage. 
To reduce the risk of bodily injury, electrical shock, fire, and damage to the 
equipment, observe the following precautions.
Observe and follow service markings.
Do not service any product except as explained in your system 
documentation.
Opening or removing covers that are marked with the triangular symbol 
with a lightning bolt may expose you to electrical shock. Only a trained 
service technician should service components inside these compartments.
10/100/1000 
ports (two 
LEDs)
Speed (left)
• Green: Link in 1000 Mbps. 
• Yellow: Link in 100 Mbps. 
• Off: Link in 10 Mbps.
Link or Activity (right)
• Green: 
Link is up.
• Blinking green: The port is sending or receiving packets. 
• Off: No link is detected.
SFP port 
 
(1,000 Mbps 
only) 
•  Solid green: Link is up. 
• Blinking green: The port is sending or receiving packets in link up 
status. 
• Off: No link is detected.
Figure 2-6
Table 2-3. 
GSM7248 LED Description
 (continued)
Power