Electrical Specifications; Led Indicators; Rs-232 9-Pin Connector - Multitech MultiModem MT5634IND User Manual

Electrical Specifications

Power Consumption
Power Requirements

LED Indicators

LED Description
TD Transmit Data. This LED is lit when modem is transmitting data to another modem.
RD Receive Data. This LED is lit when the modem receiving data from another modem.
CD Carrier Detect. This LED is lit 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.
TR Terminal Ready. (Also called Data Terminal Ready.) This LED indicates the PC is turned on and ready
to communicate. This LED is lit when a data communications program initializes the modem. It goes
off when the communications program disconnects the COM port. When is goes off, a connected
modem will disconnect.
PWR Power. This LED Indicates the presence of DC power when lit.

RS-232 9-Pin Connector

Pin
1
2
3
4
5
6
7
8
9
Multi-Tech Systems, Inc. MT5634IND User Guide (S000369B)
Typical: 155 mA (.945 W @ 9V DC) 180 mA maximum
155 mA @ 6V DC
96 mA @ 10V DC
68 mA @ 15V DC
54 mA @ 20V DC
38 mA @ 30V DC
30 mA @ 40V DC
26 mA @ 48V DC
6V DC +/- 5% to 48V DC +/- 10%
Description
DCD
RX Data
TX Data
DTR
Ground
DSR
RTS
CTS
RI
Chapter 2 – Installation
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