Modem sharing device
A modem sharing device, also commonly known as a line sharing device, modem sharer, or line sharer, allows multiple devices to share a serial connection. Only multipoint serial protocols such as Bisync are supported. Both synchronous and asynchronous datastreams can be used. A common example would be a Tandem as host connected to multiple automatic teller machines often with a modem or Cisco router in-between.
