ADTRAN manual Connecting the Express XRT, Dip Switches on Rear Panel

Chapter 2. Installation

SW 2: Off (up)

On (down)

=Factory Default

=Normal (previous settings saved)

If dip switch 2 is set to the Off (up) position, the unit continues to use the factory default settings until Switch 2 is set to the On (down) position. Also, area code, phone numbers, SPIDS, and stored numbers are cleared.

			OFF
			ON	1	2	3	4
POWER	RS232	MODEM					2	1	ISDNU

OFF

ON

1 2 3 4

Figure 2-1

Dip Switches on Rear Panel

Connecting the Express XRT

1.Turn the computer off.

2.Using an RS-232 cable (see the section Minimum Requirements on page 2), connect the end with the DB-25 connector to the port labeled RS232 on the Express XRT rear panel.

3.Connect the other end of the RS-232 cable to an available serial COM port on the computer.

4.Plug the small round end of the AC power cord into the jack la- beled POWER on the Express XRT rear panel.

5.Place the AC power cord plug into an electrical outlet. The Ex- press XRT is now powered on.

6.Plug the RJ-45 cable into the jack labeled ISDN on the rear of the Express XRT.

7.Plug the other end of the cable into the NT1. At this time the Ex- press XRT is powered on and the PWR LED should either be flashing or on solid. See the section LEDs on page 71 for more information.

6 Express XRT User Guide 61202.153L3-1