Chapter 2 Hardware
AX/DX/EX/PX Series User’s Guide
30
2.5G WAN 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.
FIBER Green On The FIBER port is connected to the ISP’s ONT and the Zyxel Device is
receiving optical signals normally.
Blinking The Zyxel Device’s FIBER port is trying to build a PON connection.
Red On The optical power received (the strength of optical signals transmitted on
the remote optical module) is too low.
Off The connection to the ISP’s ONT is down.
INTERNET Green On The Zyxel Device has an IP connection but no traffic.
Your device has a WAN IP address (either static or assigned by a DHCP
server), PPP negotiation was successfully completed (if used).
Blinking The Zyxel Device is sending or receiving IP traffic.
Note: For AON and PON routers only; see Section 1.1 on page 19
for more information.
Off There is no Internet connection or the gateway is in Bridge mode.
Red On The Zyxel Device attempted to make an IP connection but failed. Possible
causes are no response from a DHCP server, no PPPoE response, PPPoE
authentication failed.
Blinking The Zyxel Device has an unsupported 100 Mbps Ethernet connection on the
WAN.
Note: For Ethernet routers only, see Section 1.1 on page 19 for more
information.
2.5G LAN
(for the
EX5501 only)
Green On The Zyxel Device has a successful 2500 Mbps Ethernet connection with a
device on the Local Area Network (LAN) through the 2.5G LAN port.
Blinking The Zyxel Device is sending or receiving data to/from the LAN at 2500 Mbps
through the 2.5G LAN port.
Off The Zyxel Device does not have an Ethernet connection with the LAN
through the 2.5G LAN port.
10G LAN (for
AX7501-B0/
PX7501-B0)
Green On The Zyxel Device has a successful 10/100/10000 Mbps Ethernet connection
with a device on the Local Area Network (LAN) through the 10G LAN port.
Blinking The Zyxel Device is sending or receiving data to/from the LAN at 10/100/
10000 Mbps through the 10G LAN port.
Off The Zyxel Device does not have an Ethernet connection with the LAN
through the 10G LAN port.
LAN1 – 4 Green On The Zyxel Device has a successful 10/100/1000 Mbps Ethernet connection
with a device on the Local Area Network (LAN) through the LAN1 – 4 ports.
Blinking The Zyxel Device is sending or receiving data to/from the LAN at 10/100/
1000 Mbps through the LAN1 – 4 ports.
Note: For AON and PON routers only; see Section 1.1 on page 19
for more information.
Off The Zyxel Device does not have an Ethernet connection with the LAN
through the LAN1 – 4 ports.
Table 5 LED Descriptions (AX7501, EX5501 and PX7501) (continued)
LED COLOR STATUS DESCRIPTION
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