IBM 6345, 2194, 2193 manual Modem response codes, Basic Response codes

Modem response codes

The following table lists the basic codes that the modem sends to your computer in response to the commands you type. They are called response codes.

Table 5: Basic Response codes

Digit code	Word code	Meaning
0	OK	Command was carried out without error
1	Connect	Connected at 300 bits per second (bps)
2	Ring	Ringing signal detected
3	No carrier	Carrier is lost or not heard
4	Error	Error in the command line
		Invalid command
		Command line exceeds buffer
		Invalid character format
6	No dial tone	No dial tone during the time-out period
7	Busy	The line being called is busy
8	No answer	The line being called did not answer within the time-out
		period
11	Connect xxxx	Connected at 2400 bps
24	Delayed	Dialing delayed
32	Blacklisted	Number is blacklisted
33	Fax	Fax connection
35	Data	Data connection
+F4	+FC error	Fax error

B-12IBM Personal Computer User Guide