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Model 431 - V.35, Two Wire, Synchronous
High Speed Short Haul Modem
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- V.35 Interface
- Full Duplex on Single Pair
- Up to 128 KBPS
- All Clocking Options
- Built-In Diagnostics
- Bidirectional, Handshake
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Product Description
The Model 431 is a synchronous short haul modem that uses ISDN technology
and its associated signalling techniques to allow full duplex communication
on a single twisted pair. The line bit rate is 160 Kbits/sec and is
independent of data rate. The digital interface bit rates are switch
selectable from 2.4 to 128 KBPS. The Model 431 also allows a control
signal to be sent on the RTS pin and received on the CTS pin of the
interface. The user interface of the Model 431 complies with V.35 and
is supplied with a DB25 connector. A six foot connecting cable, CAB
435, with a male V.35 connector is also offered as well as an adapter
module, Model 15-1, that is a female V.35. The built-in diagnostics
include three loopback modes, which can be initiated by switch, or the
LOCAL and REMOTE modes through the digital interface.
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