Silicon Laboratories SI2493/57/34/15/04 - Manual (Page 232)

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232 Rev. 1.3
15 AT+VTS=9,9,9,9,1,8,1,*,#,A,0,0,0,0,0,3 OK First Data Block is transmitted.
Note: Data octets are placed
after the “=” and separated by
commas.
Note: Host DTE driver must per-
form these substitutions,
Octet B as *
Octet C as #
Octet D as A
Octet E as B
Octet F as C
Note: OK is sent at end of trans-
mission.
16 Wait for Kissoff tone
17 1.25 s has elapsed. But modem
still has not reported
to DTE
18 AT*Y254:Q83FB 01AF Check to see if start of a Kissoff
Tone has been detected?
A non zero response (i.e. not
0000) from modem denotes start
of tone is detected. Modem will
send to DTE after it
has verified that the Kissoff Tone
burst duration is valid.
19 Acknowledgement from
RECEIVER detected.
Note: is sent at end
of tone burst.
20 Delay 250 ms before sending next Data Tone
Message.
Repeat from Step 15 for sending more Data
Codes
ATH OK Hang up at end of session.
Table 145. Ademco
®
Mode of Operation (Continued)
Step DTE-to-Modem Command Modem-to-DTE
Indication
Remarks