ITU Modem C-192/288 Series
 
How to apply the Challenger 192 to an X.25 network and HDLC connection?

Update firmware version 2.03D to a newer version:
Originate site :
1.
Load factory profile #2
2. Set S-register to: S21bit0 -> 1, S21bit6 -> 1 from front panel (DCD, DSR normal)
Originate site :
3.
Load factory profile #2
4.. Set S-register to: S21bit0 -> 1, S21bit6 -> 1 from front panel (DCD, DSR normal)
5. Set S-register to: S0=2 (Auto answer), S14bit4 -> 1 (Dumb mode)

 

 


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