DESCRIPTION
The Digital Multidrop Extender (DME) utilizes state of the
art digital CMOS technology to provide a feature filled product
at a very affordable price. The DME transmits and receives
data bi-directionally at data rates up to 64kbps. The unit
is designed for synchronous Point-to-Point or Multi-point
operation.
Applications that benefit from the DME are Polled / Contention
networks operating on Switched or Constant Carrier Operation.
The DME allows the user to set up a fully digital multipoint
network over a campus environment by connecting directly to
the back of a CSU/DSU. In this scenario, clocking is provided
by the DDS while the DME transmits digital data bi-directionally
as the DTE devices are polled from the Host site.
Substantial cost savings are derived by eliminating the need
for a Time Division Multiplexer (TDM) or Digital Sharing Device
(DSD) behind the CSU/DSU. Additionally, analog Line Drivers
are no longer required from the subchannel ports of the TDM
or DSD to remote DTE devices.
Installation is fast and simple by setting the internal DCE/DTE
switch, Clocking, Constant or Switched Carrier Operation and
the Contention Mode of RTS or Data.
The DME provides optional Anti-Streaming circuitry. Once
enabled, Anti-Streaming will automatically remove a defective
DTE from service if the Data / Control criteria is present
for the user defined selection period.
The DME is housed in a sturdy metal enclosure and operates
on 110/220VAC.
The DME has a three year warranty and a 24 hour turnaround
on warranty repairs.
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