ADTRAN 1200051L2, 61200051L1, 1200051L6, 1200051L5 user manual Understanding Isdn and the ISU

Chapter 1.Understanding ISDN and the ISU 2x64

1.All asynchronous rates support flow control.

2.All dial-up modes support front panel, DTR, RS-366, AT command, and V.25 dialing methods.

3. Rates marked with f require flow control.

4. Given a choice between two protocols, pick the protocol closer to the top of the list.

5.Rate marked with v is available on Port 2 only.

8 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D