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2.1 Hardware
This section describes the front and rear panels for each model. If your model is not shown here, refer to
the Zyxel Device's Quick Start Guides to see the product drawings and how to make the hardware
connections.
2.2 LED Indicators Panel
The following shows the Zyxel Device LED indicators panel and the LED behaviors.
None of the LEDs are on if the Zyxel Device is not receiving power.
2.2.1 AX7501
Figure 10 LED Indicators (AX7501-B0 / AX7501-B1)
Note: The 2.5G LAN and 2.5G WAN LEDs are only for the Ethernet router. 10G LAN is only for the AON and PON
routers. See
The following are the LED descriptions for your AX7501.
Table 5 LED Descriptions (AX7501)
LED
POWER
2.5G WAN
Section 1.1 on page 19
for more information.
COLOR
STATUS
DESCRIPTION
Green
On
The Zyxel Device is receiving power and ready for use.
Blinking
The Zyxel Device is self-testing.
Red
On
The Zyxel Device detected an error while self-testing, or there is a device
malfunction.
Blinking
The Zyxel Device is upgrading firmware.
Off
The Zyxel Device is not receiving power.
Blue
On
The Zyxel Device has a successful 2.5 Gbps Ethernet connection on the
WAN.
Green
On
The Zyxel Device has a successful 1 Gbps Ethernet connection on the WAN.
Off
The Zyxel Device does not have an Ethernet connection with the WAN.
The LED will cycle Green > Blue > Off > repeat, when the Zyxel Device has
an unsupported 100 Mbps Ethernet connection on the WAN.
AX/DX/EX/PX Series User's Guide
C
H A P T E R
Hardware
29
2
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Troubleshooting
