Rainbow Electronics GT863-PY - Manual (Page 24)

GT863-PY Terminal Product Description
80269ST10026a Rev. 0 - 27/09/06
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Right reserved
page 24 of 50
2.14.12 LED Indicators
The GT863-PY Terminal has 2 LED indicators, one for Power, one for Status.
2.14.12.1 Power LED
When on, the green Power LED indicates that the supply voltage is arriving at the GSM Engine
inside the GT863-PY Terminal.
2.14.12.2 Status LED: Indication of network service availability
The red Status LED is connected internally to the STAT_LED output of the module by an inverting
circuit. In addition to the status information obtainable via AT commands, this LED shows
information on the network service availability and Call status.
Status LED indications
LED status Device Status
permanently on a call is active
fast interrupt sequence
(period 0,5s, Ton 1s) Net search / Not
registered / turning off
slow interrupt sequence
(period 0,3s, Ton 3s) Registered full service
permanently off device off
2.14.13 Automatic answer (Data or FAX)
After a specified number of rings, the module will automatically answer with a beep. The user can
set the number of rings by means of the command ATS0=<n>.
2.14.14 Supplementary services (SS)
• Call Barring,
• Call Forwarding,
• Calling Line Identification Presentation (CLIP),
• Calling Line Identification Restriction (CLIR),
• Call Waiting, other party call Waiting Indication,
• Closed User Group supplementary service (CUG),
• Advice of Charge,
• Unstructured SS Mobile Originated (MO)