Red led, Green led – Grandstream Networks GSM gateway User Manual
Page 14

Februaray-2006 Page 14 / 42
MasterVoIP
VoIP to GSM Gateway
3.1.7 LED Light Pattern Indication
Following are the LED light pattern indications
.
RED LED
indicates abnormal status
DHCP Failed or WAN No Cable
flash every 2 seconds (if DHCP is configured)
VOIP Client-486 fails to register
flash every 2 seconds (if SIP is configured)
GREEN LED
indicates normal working status
Message Waiting Indication
Button flashes every 2 seconds
RINGING
Button flashes at 1/10 second
RINGING INTERVAL
Button flashes every second