P
AGE
2
44214-0898 <90-00005>
ORDERING INFORMATION
NOTE: This section lists the different options available for this product. To order any of the avail-
able options, contact Dantel Inside Sales through our toll-free number, 1-800-432-6835.
OPTION NUMBER
FEATURES
A11-44214-00
9600 bps Tone Modem
GENERAL DESCRIPTION
T
he A11-44214-00 9600 bps Modem is a 400-type module used
in applications where a tone modem is required. This module
provides an interface between Data Terminal Equipment (such
as a computer or terminal) and a 4-wire voice channel (such as
a mux channel or a satellite link). Capable of transmitting and
receiving data at 1200, 2400, 4800, or 9600 bps, this module
converts asynchronous data from a serial bit stream into voice-
frequency tone in one direction and tone to serial data in the
other direction.
On the data side of the 44214 there are input/output ports
available for interfacing to Data Terminal Equipment. Available
interfaces are:
♦
TTL/CMOS
♦
RS232
♦
RS422
♦
RS485
An on-board switch (S6) selects which interface is enabled.
The front panel provides:
♦
Four mini jacks for 4-wire level adjustments and testing.
♦
Six green LEDs that indicate communication status.
♦
Switches for testing the modem, and selecting the mode of
operation.
♦
Potentiometers for adjusting the transmit and receive levels.
N
OTE
:
The 44214 must communicate
with another 44214. Using on-
board switches, set the baud rate
of both modules the same.
N
OTE
:
Only one interface may be en-
abled at a time.
N
OTE
:
The A11-44214-00 4-Wire Modem
is not Bell 202 compatible.
