Table 4: O-Modes - Thermo Scientific V.22/212A User Manual

On ONLINE/RETAIN MODE
O0 Return Online
O1 Return Online with Retain
O2 Enable Automatic Retain (default)
O3 Disable Automatic Retain
&Dn DTR MODE
&D0 Ignore DTR
&D1 Go to Command State if ON to OFF Detected
&D2 Go to Command State and Disable Autoanswer if ON to OFF Detected
&D3 Initialize Modem with NVMEM if ON to OFF Detected
&Mn SYNCHRONOUS MODE
&M0 Asynchronous Mode
&M1 Synchronous Mode during on-line operation
&M2 Synchronous Mode after OFF-to-ON Transition of DTR and Stored Dial String dialed
&M3 Synchronous Mode when DTR is high
&Tn TEST MODE
&T0 Terminate Test in Progress
&T1 Initiate Local Analog Loopback Test
&T3 Initiate Local Digital Loopback Test
&T4 Permit Remote Digital Loopback Test
&T5 Deny Remote Digital Loopback Test
&T6 Initiate Remote Digital Loopback Test
&T7 Initiate Remote Digital Loopback Test with Self-Test
&T8 Initiate Local Analog Loopback Test with Self-Test

TABLE 4: O-Modes

TABLE 5: DTR Modes
TABLE 6: Synchronous Modes
TABLE 7: Test Modes
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