UPD72107 - LAP-B CONTROLLER(Link Access Procedure Balanced mode)
UPD72107 Features
* Complied with ITU-T recommended X.25 (LAP-B84 edition) HDLC frame control Sequence control Flow control
* ITU-T recommended X.75 supported
* TTC standard JT-T90 supported
* Optional functions Option frame Global address frame Error check deletion frame
* Pow