AT&T 585-300-903 manual Install the Mtdm and 2296A Cables, 2296A Option Settings D-Lead Modem Pool

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			. Then press				to set
		CHG					+-			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

five times to select option 50. Press

. The display should show y:50 (ASYNC).

10

CHG

12.

Press

six times to select option 56. Press

. The display should show y:56 [Data Set

1

CHG

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

until the desired speed (9.6 Kbps) is displayed.

SPD

15.Set option 99 to 2 to relock this modem’s options.