r6781-12 Conexant Systems, Inc., r6781-12 Datasheet - Page 79

• Manufacturer Part Number: r6781-12
• Description: Embedded Modem Family
• Manufacturer: Conexant Systems, Inc.

EmbeddedModem Family
Table 6-6. Fax Class 1 Answering Sequence (1 of 2)
D224ATLVDSC
(1) AT+FCLASS=1
(2b) AT+FRM=?
(5) ATA
(10) <NSF>
(14) <CSI>
(18) <DSI>
(22) AT + FRH=3
(26) AT+FRH=3
(31) AT+FTH=3
(38) AT+FRM=48
(40) <CFR>
DTE Commands
(Host)
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(2) OK
24,48
OK
(4) RING
(6) Modem answers
(7) Send HDLC flags
(9) CONNECT
(11) Send NSF frame
(13) CONNECT
(15) Send CSI frame
(17) CONNECT
(19) Send DSI frame
(21) OK, drop carrier
(23) CONNECT
(25) <TSI>,OK
(27) CONNECT
(29) <DCS>,OK
(33) CONNECT
(35) <TCF>
(37) NO CARRIER
(39) CONNECT
(41) Send CFR frame
(43) OK, drop carrier
DCE Responses
(Modem)
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(3) FAX machine dials
(8) Receive flags
(12) Receive NSF
(16) Receive CSI
(20) Receive DSI
(24) Send TSI frame
(28) Send DCS frame
(30) Drop carrier
(32) Send V.27 (4800)
(34) Send TCF frame
(36) Drop carrier
(42) Receive CFR
Conexant
PHASE A
PHASE B
Remote Fax
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Set to Class 1
+FTH=3 implied by answering
Last frame bit = 0
Last frame bit = 0
Last frame bit = 1
Last frame bit = 0
Last frame bit = 1
Last frame bit = 1
Notes
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6.5 Call Progress
6-15