Testing the Business Modem using S-Resister 16 14-11

Testing Using a The test pattern is available at all speeds. At 300 bps, the Business Built-in Test Pattern Modem's serial port rate must be fixed (&B1) and the link rate fixed at

(ATS16=4) 300 bps (&N1). At rates over 9600 bps, just set the Business Modem for a fixed serial port rate (&B1).

Starting Testing That Uses the Test Pattern

To use the test pattern during

Command

testing with

 

 

S-Register 16

AT&M0S16=12.

 

 

 

The &T test

1. Send

ATS16=4 (test pattern command)

The test pattern is used for testing

 

 

equipment and the phone line.

2. Send

ATS16=4&T6.

When S16 is set to 4, the Business

 

 

Modem transmits the test pattern when it connects with a remote device.

Ending Testing That Pressing any character key cancels all tests and hangs up the Business Uses the Test Pattern Modem. If you used Register S16, be sure to reset Register S16 and

return to the error-control default. Send ATZ or AT&M4S16=0 to the modem.

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3Com 56K manual Starting Testing That Uses the Test Pattern, To use the test pattern during Command Testing with, Register