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5-10 DCP Mode 2 Networks — Modem Pooling
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Table 5-2. Tested RS-232 to Standalone Modem Pool Combinations
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RS-232 MODEMS
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424(9600) 2296(9600) 3296(9600) MODEM POOL
MEMBERS
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2296(9600) OK, OK, OK,
+ MTDM NOTE 1 NOTE 1 NOTE 1
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2296(9600) OK OK OK
+ 7400A
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424(9600) OK OK OK
+MTDM
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424(9600) OK OK OK
+ 7400A
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3296(9600) NOTE 1, NOTE 1, NOTE 1,
+ MTDM NOTE 3 NOTE 3 NOTE 3
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3296 NOTE 6 NOTE 6 NOTE 6
+7400A
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NOTE 1 — MTDM is being manufacture discontinued.
NOTE 2 — flow control problem. Both the MTDM and the 7400A expect XON/XOFF flow control when
running 19.2 Kbps. Voice messages can emulate XON/XOFF. This results in lost data and dropped
connections.
NOTE 3 — not tested.
NOTE 4 — not tested; expected to fail.
NOTE 5 — not tested; expected to work.
NOTE 6 — 7400A expects a result code that is not given by the modem. 3296 sends a 32 and the 7400A
expects a 12. 3296 sends a 37; 424 sends a 17 for 19200 and the 7400A expects a 14.