Motorola V3229 Operating Instructions - Page 90

5 Asynchronous Operating Commands General Commands, Cont. TEST COMMANDS &T Diagnostic tests are used to isolate faults in the communications path. Diagnostic tests will terminate after the period of time specified by S18. If S18 is set to 0, the timer is disabled and tests will run continuously. Tests may also be terminated by the AT&T command. When in test modes without test pattern, issue the escape sequence +++ to return to command mode before terminating the test with the AT&T command. Refer to Appendix C for test procedures. Table 13: Command Operation &T Terminate any test &T1 Initiate local analog loopback test &T2 Initiate remote analog loopback test &T3 Initiate local digital loopback test &T4 Grant remote requested digital loop- back* &T5 Deny remote requested digital loop- back &T6 Initiate remote digital loopback test &T7 Initiate remote digital loopback with test pattern &T8 Initiate local analog loopback test with test pattern &T9 Initiate remote analog loopback with test pattern %T Transmit test pattern -26 V.3229 / V.3229L