@majorheading[Advantages of Using a PABX for Data Traffic]
@heading[Common Wiring]
@heading[Direct Connection of Terminals]
@heading[Handling Multiple Terminal Protocols]
@heading[Infrequently Used Terminals]
@heading[Single Exchange Management]
@heading[Carrying Synchronous Traffic]
@newpage
@majorheading[Disadvantages]
@heading[Blocking Problems]
@heading[Cost]
@heading[Limitations of 64kbs]
@heading[Speech/Data Priorities]
@heading[Lack of Network Management]
@heading[Lack of a Name Directory]
@newpage
@majorheading[Future Improvements]
@heading[Data Port Cost]
@heading[Data Interface Unit Changes]
@heading[ ]
@heading[Alternatives to the DIU]
@heading[Combined Micro/Telephone]
@heading[Data Network Gateways]
@newpage
@majorheading[PABX/LAN Gateways]
@heading[Current Position]
@heading[Future Possibilities]
@newpage
@majorheading[Conclusion]
@heading[Cost is too high]
@heading[Environment factors]
@heading[attitude of the PABX manufacturer]