Physical Connection; Led Definitions - Zycoo CooVox-U20 Quick Installation Manual

2.2 Physical Connection

PSTN
Analog Phone
CooVox-U20
Power Adapter
Router

2.3 LED Definitions

Indication Function
PWR Power Status
SYS System Status
WAN WAN Data Status
LAN LAN Data Status
1 FXO Port Status
2 FXS Port Status
Status Explanation
On Power On
Off Power Off
Blink System works
On System doesn't boot
Off System failure
On Connected but no data transfer
Blink Data Transfer
Off Disconnected
On Connected but no data transfer
Blink Data Transfer
Off Disconnected
Red Channel Loading Success
Blink Channel Ringing
Off Channel Loading Failure
Green Channel Loading Success
Blink Channel Ringing
Off Channel Loading Failure