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Asynchronous 2224A Modem Option Settings
September 1995 Issue 1
H-17
Asynchronous 2224A Modem Option
Settings
When the asynchronous 2224A modem is used with a modular trunk data module
(MTDM), set the options on the modular trunk data module (MTDM) as shown in
Table H-13. The asynchronous 2224A modem can also be used for modem
pooling.
All factory-furnished options should be set on the 2224A modem with the
following exceptions:
■ Interface speed indication—TRIPLE
■ Interface speed selection—TR IP LE
■ Analog (AL) and Test Mode interface assignments—AL-18 and TM-25
■ Interface control remote digital loopback—IN
Table H-13. Option Switch Settings on Modular Trunk Data
Module (MTDM) Used with Asynchronous 2224A
Modem
Switch Setting
300 baud ON
1200 baud ON
2400 baud ON
SW ON
SIGLS ON
CI12 ON
TM25 ON
CN18 ON
CH23 ON
RL21 ON
CI13 ON
CH19 ON
All Others OFF