Grandstream Networks 486 5.5 , 5.6

HandyTone-486 User Manual Grandstream Networks, Inc.
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5.5 Sending and Receiving Fax
Grandstream HandyTone series support two modes for Fax over IP, one is T.38, the
other is Fax pass through. T.38 mode is used by default.
5.6 LED Light Pattern Indication
Following are the LED light pattern indication.
RED LED always indicates abnormal status
DHCP Failed or WAN No Cable flash every 2 seconds (if DHCP is configured)
HandyTone-486 fails to register flash every 2 seconds (if SIP server is configured)
GREEN LED always for normal working status
Message Waiting Indication Button flashes every 2 seconds
RINGING Button flashes at 1/10 second
RINGING INTERVAL Button flashes every second