Back to Contents Page

Using the Modem: Multi-Tech MT5634ZBA User's Guide

Introduction • Configuring the Modem • Front Panel

Introduction

Like any modem, your Multi-Tech modem operates only under the control of a communication program, such as Windows Terminal or HyperTerminal. For information on how to use the modem with the communication program of your choice, please refer to the program's documentation.

Configuring the Modem

Your modem normally is configured either through Windows or by configuring a communication program. For most purposes, the default settings work best. For help in setting up your communication program, see Setup.

You can also configure your modem directly by typing AT commands in the terminal window of a communication program. For descriptions of the modem's AT commands, see Command Set.

Front Panel

Figure 1. Front panel

The MT5634ZBA has ten LED indicators on the front panel that indicate status, configuration, and activity:

	Transmit Data. The TD indicator flashes when the modem is transmitting data to another modem.
	Receive Data. The RD indicator flashes when the modem is receiving data from another modem.
	Carrier Detect. The CD indicator lights when the modem detects a valid carrier signal from another modem. It is on when the modem is communicating with the other modem, and off when the link is broken.
	56K Mode (56,000–28,000 bps). The 56 indicator lights whenever the modem is set for or connects using either the K56flex or the V.90 protocol. The actual connection speed depends on ISP server capabilities and line conditions.
	V.34 Mode (33,600–16,800 bps). The 33 indicator lights whenever the modem connects using the V.34 protocol.
	V.32bis Mode (14,400 bps). The 14 indicator lights whenever the modem connects using the V.32bis protocol.

NOTE: Though the modem can connect at lower than V.32bis speeds, no speed indicator lights during the connection.

	Transmit Data. The TD indicator flashes when the modem is transmitting data to another modem.
	Off-Hook. The OH indicator lights when the modem is off-hook, which occurs when the modem is dialing, online, or answering a call. The LED flashes when the modem pulse-dials.
	Terminal Ready. The TR indicator lights when a communication program is using the modem. It means the modem is ready for an outgoing or incoming call. It goes off when the communication program disconnects the serial port. When it goes off, a connected modem will disconnect.
	Error Correction (V.42). The EC indicator lights continuously when the modem is in V.42 error correction mode, and flashes when compression is activated.
	Fax. The FX indicator lights when the modem is in fax mode.

NOTE: When you turn on the modem, the speed indicators flash briefly as the modem does a self-test, and then the 56 indicator lights. After a call, the indicator for the connection's speed protocol remains lit until another call is made or the modem is reset. If you connect at a rate under 14,400 bps, all speed indicators remain off after the connection is broken, even though the modem is still turned on.

Back to Contents Page