Product data
USRobotics 
Command Reference
S-Parameters - 101
63 CONNECT 
26400 
The modem has connected to the line, the DTE speed is 26400 bps and DTE speed 
reporting is enabled. 
64 CONNECT 
28800 
The modem has connected to the line and either the line speed is 28800 bps and 
DCE speed reporting is enabled, or the DTE speed is 28800 bps and DTE speed 
reporting is enabled. 
66  +DR: ALT  The modem has connected to the line in MNP Class 5 and +DR: message reporting 
is enabled. (See S95, Wn, and Xn.) 
67  +DR: V.42B  The modem has connected to the line in V.42 bis and +DR: message reporting is 
enabled. (See S95, Wn, and Xn.) 
69  +DR: NONE  The modem has connected to the line without data compression and +DR: message 
reporting is enabled. (See S95, Wn, and Xn.) 
70  +ER: NONE  The modem has connected to the line without any form of error correction and the 
+ER: message reporting has been enabled. (See S95, Wn, and Xn.) 
77  +ER: LAPM  The modem has connected to the line in V.42 LAPM error correction mode and +ER: 
message reporting has been enabled. (See S95, Wn, and Xn.) 
78  +MRR: 31200  The modem has connected to the line at 31200 bps and carrier reporting is enabled. 
(See S95 and Xn.) 
79  +MRR: 33600  The modem has connected to the line at 33600 bps and carrier reporting is enabled. 
(See S95 and Xn.) 
80  +ER: ALT  Sent when the modem has connected in the MNP mode of error correction, and +ER: 
message reporting has been enabled. (See S95, Wn, and Xn.) 
83  LINE IN USE  The modem attempted to go off-hook when an extension was already occupying the 
line. 
84 CONNECT 
33600 
The modem has connected to the line, the DTE speed is 33600 bps and the DTE 
speed reporting is enabled. 
91 CONNECT 
31200 
The modem has connected to the line DTE speed is 31200 bps and the modem is to 
report the DTE speed upon connecting. 
134  +MCR: B103  The modem has connected to the line with Bell 103 modulation and modulation 
reporting is enabled. (See +MR, S95 and Xn.) 
135  +MCR: B212  The modem has connected to the line with Bell 212 modulation and modulation 
reporting is enabled. (See +MR, S95 and Xn.) 
136  +MCR: V21  The modem has connected to the line with ITU-T V.21 modulation and modulation 
reporting is enabled. (See +MR, S95 and Xn.) 
137  +MCR: V22  The modem has connected to the line with ITU-T V.22 modulation and modulation 
reporting is enabled. (See +MR, S95 and Xn.) 
138  +MCR: V22B  The modem has connected to the line with ITU-T V.22 bis modulation and modulation 
reporting is enabled. (See +MR, S95 and Xn.) 
139  +MCR: V23  The modem has connected to the line with ITU-T V.23 modulation and modulation 
reporting is enabled. (See +MR, S95 and Xn.) 
140  +MCR: V32  The modem has connected to the line with ITU-T V.32 modulation and modulation 
reporting is enabled. (See +MR, S95 and Xn.) 
Table 4-2: Result Code Definitions
Code  Message  Meaning 










