DataComm V.34 PL, Руководство по эксплуатации

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060R115-000 DataComm V.34 PL Modem 1-1
Issue 1 Installation and Operation
Chapter 1:
Introduction
Overview
This chapter describes and lists the features of the DataComm V.34 PL (Private Line) modem, and
includes a brief description of the modem’s diagnostics.
Description
The DataComm V.34 PL modem is a universal, full-duplex, multi-speed modem that provides
9600, 4800, and 2400 bps async or sync (and 1200 bps async - refer to Note) operation over 2-wire
private line, or a 4-wire private line and supports the ITU-T V.34 protocol.
The modem includes front panel push buttons for configuration and testing.
You can install the DataComm V.34 PL in a standalone DataComm Enclosure, or you can
rackmount up to 16 units in a DataComm Shelf or Universal System Shelf.
The DataComm V.34 PL modem is available in a variety of models. Table 1-1 lists the part numbers
for the DataComm V.34 PL's standard and optional equipment.
DataComm V.34 PL Modem Features
• Integral synchronous/asynchronous operation.
• Synchronous DTE rates 2.4, 4.8, and 9.6 kbps.
• Asynchronous DTE rates 1.2 (refer to note above), 2.4, 4.8, and 9.6 kbps.
• 2- or 4-wire private line operation, with selectable transmit level.
• Front panel push buttons and LCD window for configuration and testing.
• Eleven front panel status LEDs.
• Flash memory for downloading modem firmware.
• Permanent storage of modem configuration profiles in non-volatile memory.
• External, Internal, or Receiver Recovered transmit timing.
• Maximum line rate selection.
Note For 1200 bps async operation, select 9600 bps sync mode (factory default). In this mode, 1200
bps async is transmitted and received without additional settings.
V.34 PL
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