AT&T AUDIX Networking 585-300-903 - Manual (Page 127)

DCP Mode 2 Installation and Administration 11-9
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Install the MTDM and 2296A Cables
1. Connect a Data Terminal Equipment (DTE) RS-232C cable from the back of each 2296A (data port)
to the back of its paired MTDM (RS-232C connector at bottom).
2. At the back of the modem, make sure the power switch is OFF (0 position).
3. At the back of the mounting, connect one of the eight power cords to the AC power jack on the back
of the modem.
2296A Option Settings (D-Lead Modem Pool)
1. First make sure that the power switch for each MTDM and each 2296A is OFF.
2. Plug the cabinet power cord into the circuit provided. The LCD display on the front of the 105A
should light up.
3. Turn the power switch at the back of the modem ON (1).
4. Press the select button on the front of the mounting below the modem to be optioned. The button
should light up and the display will show the information for this modem.
5. Press MENU SEL until OPt is displayed.
6. Press . (dot) once.
7. Press 10 nine times and then press 1 nine times to select option 99.
Press CHG . Then press +- to set this option to 1. This will unlock the modem’s option settings.
8. Press and hold . (dot) until the display shows def (approximately 5 seconds). The default options
for this modem are now selected.
9. Press CHG . Default options are loaded into the modem.
10. Press . again, this time only momentarily. You should now be able to change specific options.
11. Press 10 five times to select option 50. Press CHG . The display should show y:50 (ASYNC).
12. Press 1 six times to select option 56. Press CHG . The display should show y:56 [Data Set
Ready (DSR) turns on early].
13. If fallback (speed stepdown) is required from 9600 to 4800 baud, select option 73 by pressing 10
seven times and then 1 three times.
14. Press SPD until the desired speed (9.6 Kbps) is displayed.
15. Set option 99 to 2 to relock this modem’s options.