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