
31.
TRO
UBLESHO
OTIN
G
Modem LEDs
Etic, Machinelink and Comset modems are currently used in the COM5 PT1. The LEDs can be
used to diagnose problems with the modems. The LEDs of these modems are as follows.
Comset
The LEDs are as shown. Refer to the accompanying table to understand the modem LEDs.
LED
Indication Light
Description
SYS
On for 25 seconds
On for 25 seconds after power up
Blinking
System set-up normally
Off or still on after 25 seconds
System set-up failure
LAN
Blinking
Ethernet data transmission
Off
No Ethernet connection
On
Ethernet is connected
VPN
On
VPN tunnel set-up
Off
VPN tunnel not set-up or VPN failure
CELL
On
Cell connection is ‘UP’ and now you have
access to the Internet
WIFI
On
WiFi enabled
Off
WiFi disabled
WAN
Blinking
Ethernet data transmission
Off
No Ethernet connection
On
Ethernet is connected
Signal
Off
No signal, or signal checking is not ready
Blinks once every 4s
Signal bar is 1
Blinks once every 3s
Signal bar is 2
Blinks once every 2s
Signal bar is 3
Blinks once every 1s
Signal bar is 4
Blinks twice every1s
Signal bar is 5
LEDs shown here.
Order is as follows:
▪
LAN
▪
WAN
▪
WIFI
▪
CELL
▪
Signal
▪
VPN
▪
SYS