Chapter 3 - Operation; Front Panel - Multitech MultiModem MT5634ZBA-USB User Manual

MultiModemUSB User Guide

Front Panel

The MT5634ZBA-USB has 6 LED indicators on the front panel that indicate status, configuration, and
activity:
TD
Transmit Data. The TD LED flashes when the modem is transmitting data to another modem.
RD
Receive Data. The RD LED flashes when the modem is receiving data from another modem.
CD
Carrier Detect. The CD LED 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.
OH
Off-Hook. The OH LED 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.
TD
Terminal Ready. The TR LED lights when Windows detects and initializes the modem.
Power. The PWR led lights when the system is applying power to the modem.

Chapter 3 - Operation

Figure 3-1. Front panel
Chapter 3 - Operation
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