Multitech MT5600ZDX Quick Start Manual page 14

Data/fax modem data/fax modem with at#v command set support

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MT5600ZDX/ZDXV Quick Start Guide

V.34. This LED is lit when the modem is connected in V.34 mode.

V.32 bis . This LED is lit when the modem is connected in V.32 bis mode. Note that

at speeds lower than a V.32 bis connection, the MultiModemZDX speed LEDs

remain unlit.

Off Hook. The condition of Off Hook indicates to the central office that the

MultiModemZDX wants the phone line to do something (i.e., dial or answer a call).

This LED is also lit when the MultiModemZDX has achieved on-line status.

Terminal Ready. When TR is lit, the MultiModemZDX can answer an incoming call.

This signal (TR or DTR) provides a means for the terminal or computer to control

the MultiModemZDX's connection to the communications channel.

A high DTR signal is required by the MultiModemZDX to be able to communicate.

The state of the TR LED matches that of the DTR circuit on pin 20 of the RS232/

V.24 interface.

Error Correction. This LED is lit when the modem is set for V.42 error

correction, and flashes on and off when data compression is activated.

Fax. This LED is lit when the modem is connected in Fax mode.

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Mt5600zdxv