Netgear GSM7212 설치 설명서
Managed Layer 2 Switches GSM7212, GSM7224, and GSM7248 Hardware Installation Guide
2-2
Introduction
v1.0, March 2006
The following table describes the LEDs on the front panel of the switch.
GSM7212 Rear Panel
The rear panel has a standard AC power receptacle for the supplied power cord.
Table 2-1. LED Descriptions for GSM7212
LED
Description
Power • Green: Power is supplied, and the switch is operating
normally.
• Yellow: Power supply present, but it has failed.
• Off: Power is disconnected.
• Off: Power is disconnected.
Mode
MaxSpd (maximum
speed), ACT (activity) or
FDX
speed), ACT (activity) or
FDX
MaxSpd (maximum speed)
• Green: Link in 1,000 Mbps.
• Yellow: Link in 100 Mbps.
• Off: Link in 10 Mbps.
ACT (activity)
• Blinking green: The port is sending or receiving packets.
FDX
• Green: Full-duplex mode.
• Yellow: Half-duplex mode.
• Blinking yellow: Collision occurred when sending and
• Green: Link in 1,000 Mbps.
• Yellow: Link in 100 Mbps.
• Off: Link in 10 Mbps.
ACT (activity)
• Blinking green: The port is sending or receiving packets.
FDX
• Green: Full-duplex mode.
• Yellow: Half-duplex mode.
• Blinking yellow: Collision occurred when sending and
receiving in half-duplex mode.
Link
(port number)
• Green: A valid 1,000 Mbps link is established on the port.
• Yellow: A valid 100 Mbps link is established on the port.
• Off: A valid 10 Mbps link is established on the port..
• Yellow: A valid 100 Mbps link is established on the port.
• Off: A valid 10 Mbps link is established on the port..
SFP Port
(1,000 Mbps only)
• Solid green: Link is up.
• Blinking green: The port is sending or receiving packets in
• Blinking green: The port is sending or receiving packets in
link up status.
• Off: No link is detected.
Figure 2-2
Power receptacle