User Manual
Publication date: May, 2005
Revision A1
7
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LED Indicators
LED
Color Function
System LED
POWER
Green
Lit when +5V DC power is on and good
CPU LED
Green
Blinks when CPU is activity
10/100/1000Ethernet TP Port 1 to 24 LED
LINK/ACT
Green
Lit when connection with remote device is good
Blinks when any traffic is present
Off when cable connection is not good
10/100/1000Mbps
Green/
Ember
Lit green when 1000Mbps speed is active
Lit ember when 100Mbps speed is active
Off when 10Mbps speed is active
1000SX/LX Gigabit Fiber Port 23, 24 LED
SFP(LINK/ACT) Green
Lit when connection with the remote device is good
Blinks when any traffic is present
Off when module connection is not good
Table1-1
1-4-2. User Interfaces on the Rear Panel
One RS-232 DB-9 interface is offered for configuration or management.
Fig. 1-3 Rear View of GSW-2494
RS-232 DB-9 Connector
AC Line 100-240V 50/60 Hz