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Chapter 5 – AT Commands, S-Registers, and Result Codes
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 83
Result Codes
In command mode your modem can send responses called result codes to your computer. Result codes are used by
communications programs and can also appear on your monitor.
Result Codes
Short Form Long Form
+F4 +FCERROR
0OK
1 CONNECT
2RING
3 NO CARRIER
4 ERROR
5 CONNECT1200
6 NO DIAL TONE
7BUSY
8 NO ANSWER
9 CONNECT600
10 CONNECT 2400
11 CONNECT 4800
12 CONNECT 9600
13 CONNECT 7200
14 CONNECT 12000
15 CONNECT 14400
16 CONNECT 19200
17 CONNECT 38400
18 CONNECT 57600
19 CONNECT 115200
20 CONNECT 230400
22 CONNECT 75TX/1200RX
23 CONNECT 1200TX/75RX
24 DELAYED
32 BLACKLISTED
33 FAX
35 DATA
40 +MRR: 300
44 +MRR: 1200/75
45 +MRR: 75/1200
46 +MRR: 1200
47 +MRR: 2400
48 +MRR: 4800
49 +MRR: 7200
50 +MRR: 9600
51 +MRR: 12000
52 +MRR: 14400
53 +MRR: 16800
54 +MRR: 19200
55 +MRR: 21600
56 +MRR: 24000
57 +MRR: 26400
58 +MRR: 28800
59 CONNECT 16800
60 CONNECT 21600
62 CONNECT 24000
63 CONNECT 26400
64 CONNECT 28800
66 +DR: A LT
67 +DR: V 42B
69 +DR: N ONE
70 +ER: N ONE