Install Guide

Figure 5. S4048T-ON PSU-side LEDs
1. Fan LED
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
Offno power to fan/failure
Solid Greenfan is operating normally
Solid Amberfan failure
Management port Link LED
Offno link
Solid greenlink on 1G speed
Solid amberlink on 10/100 Mbps speeds
Management port Activity LED
Offno link
Blinking greentransmit/receive is active
PSU LED
Offno power to PSU/failure
Solid GreenPSU is operating normally
Blinking GreenPSU is turned off
The S4048T-ON System 9