HP OpenVMS Systemsask the wizard | 
	
 The Question is: 
 
I have 3 Hayes Optima 14.4 modems and tried to
switch 1 of them to a 56kbs U.S. Robotics
V.90 Sportster (external) and cannot get
any responses to "AT" commands....
 
The machine is a Vax 4500 running vms 6.1...
 
                       Thanks
 
The Answer is : Please see existing modem troubleshooting discussions. This could be anything from speed to differences in wiring requirements. 
 
 
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