User`s guide

Diagnostics and Troubleshooting
7-7
Table 7-1. Meaning Of ATX LEDs
LED Meaning
POWER STATUS On – Power is on and the voltage is within the
acceptable range.
ENGINE STATUS On – Packet Processing Engine is ready for
operation.
Blinking – A module is overheating.
TURBO STATUS On – Turbo (a key packet processing component
on the Packet Processing Engine) is ready for
operation.
POWER SUPPLY
A
On – Power supply A is generating sufficient
voltage for the ATX to operate.
Off – Power supply A is not present, switched
off, or malfunctioning.
POWER SUPPLY
B
On – Power supply B is generating sufficient
voltage for the ATX to operate.
Off – Power supply B is not present, switched off,
or malfunctioning.
1.6 Gbps On – Indicator that this ATX has a 1.6 Gbps
backplane.