Install Guide
2 Management port link LED
3 PSU LED
4 Management port act LED
Table 2. S4048T-ON PSU-side LED behavior
LED Description
Fan LED
• O—no power to fan/failure
• Solid Green—fan is operating normally
• Solid Amber—fan failure
Management port Link LED
• O—no link
• Solid green—link on 1G speed
• Solid amber—link on 10/100 Mbps speeds
Management port Activity LED
• O—no link
• Blinking green—transmit/receive is active
PSU LED
• O—no power to PSU/failure
• Solid Green—PSU is operating normally
• Blinking Green—PSU is turned o
10 The S4048T-ON System