CAUTION: If it is necessary to change the time of the first test )

6.

The red LED (DS1) on the Digital communicator should

 

be blinking to show normal operation. The LED will not

 

light if there is no DC power. A steady LED means the

 

Watchdog circuit has detected a processor or memory

 

problem. Reset the watchdog with the AT&T Model

 

8710 Digital communicator Programmer or AT&T Model

 

8711 Remote Programming Package.

7.

Connect terminal to earth ground. Use a minimum 14GA

 

wire. The wire run should be as short and straight as

 

possible. Sharp angles in the wiring run reduce the

 

effectiveness of the ground. A good earth ground is

 

essential for phone line lightning protection.

8.

Connect the phone line cord to terminal block TB1.

 

 

 

T(red) = i n c o m i n g Tip

T1 (grey) = House phone Tip (Seized Tip)

 

R (green)=Incoming Ring

R1 (brown) = House phone Ring (Seized Ring)

 

 

 

 

9.

Program the Digital Communicator using the AT&T

 

Model 8710 programmer or AT&T’s model 8711 Remote

Programming Package. Complete programming information is available in the Digital Communicator reference materials located at the back of this binder.

CAUTION: The Central Controller provides a total of 600 MA to be shared by the digital communicator, auxiliary sounding devices, and other auxiliary devices. Do not exceed this total.

10.Connect the Digital Communicator.

-Attach the power wires to terminals l3 and 14 of the Central Controller.

-Attach communicator channel wires to Central Controller screw terminals 15 through 22.

AT&T Proprietary information 2-24

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AT&T 8000 Problem. Reset the watchdog with the AT&T Model, Remote Programming Package, Green=Incoming Ring