6 leds, Figure 2 leds, Table 1 leds – ZyXEL Communications NPS-520 User Manual
Page 19: 19 1.6 leds

Chapter 1 Introducing the NPS-520
NPS-520 User’s Guide
19
1.6 LEDs
Figure 2 LEDs
The following table describes the lights (LEDs) on the NPS-520.
Table 1 LEDs
LED
COLOR
STATUS
DESCRIPTION
LAN
Blue
On
The NPS-520 has a successful connection on this port.
Blinking
The NPS-520 is sending/receiving data on this port.
Off
The NPS-520 does not have a connection on this port.
STATUS
Blue
On
Firmware upload is in progress or the printer has a paper
jam or is out of paper.
Blinking
The NPS-520 is connected to a printer or sending a print
job to a printer.
Off
The NPS-520 is not connected to a printer or receives no
print jobs.
READY
Blue
On
The system is ready.
Off
The NPS-520 is not receiving power or failed to restart or
firmware upload was not successful.