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8400B Plus Data Module
If the communications port on the terminal device is a 25-pin interface, use a
25-pin EIA-232-D cord, plus the supplied M9/F25 Adapter to connect the data
module to the terminal device.
Mounting Options
The 8400B Plus data module can be desk-mounted.
Color Options
The 8400B Plus data module is available only in black.
Tests
The 8400B Plus data module supports the following test and maintenance features:
Local Loopback and Remote Loopback
Local Loopback Self Test and Remote Loop Self Test
DCP Looparound
Self-Test
Make Busy on Local Loop
Features
The 8400B Plus data module has the following basic features:
Nonvolatile, read-write memory for storing installation options, two data options profiles,
and up to four telephone numbers
Full-duplex, 10-bit start/stop, asynchronous operation
Asynchronous data rates of 0.3, 1.2, 2.4, 4.8, 9.6, and 19.2 kbps
Even, odd, mark, and space parity options
Autobaud and autoparity
Linked operation with the associated DCP voice terminal
An
AT
command interface that emulates a Hayes 2400 Smartmodem and supports the
following:
storage of the wait time for carrier detect interval (S-register
S7
)
The number stored in the S7 register establishes the time the 8400B Plus data
module will wait for call set up to be completed. This number can be set for any
value up to a maximum of 255 seconds (with a default to 60 seconds).
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