Re: Modems

[Matt Crawford <crawdad@fnal.gov>]

> Layer  Name          PDU

 10      Financial     Grant
  9      Political     Telechat
  8      Religious     Plenary

> 7      Application   Message
> 6      Presentation  Data
> 5      Session       Dialog
> -----Original Message-----
> Layer  Name          PDU
> 7      Application   message
> 6      Presentation  message
> 5      Session       message
> 4      Transport     Segment
> 3      Network       Packet/Datagram
> 2      Data Link     Frame
> 1      Physical      Bit