AT&T 518-600-016 manual Modifying the 517B7 Processor Module for Square Key

Modifying the 517B7 Processor Module for Square (Key)

Operation

If you have Processor Module 517B7, use the following inductions to modify it for square (key) operation:

1Before you insert the Feature Module, orient the Processor Module case as shown in Figure 2-22.Do not open the Processor Module case.

2Notice the two headers marked “HD1” and “HD2” on the module’s processor board. One header is located at the bottom of the opening (HD2); the other header is located at the top of the opening (HDl). Do not touch the header at the bottom.

3On the header close to the top of the opening, locate the shunt (blue plug) attached to one of the pins.

4Remove the shunt from the single header pin, then reinsert it so that it covers both pins on the header.

5Locate the KF (Key Function) label that came with the wall mount carrier label kit and affix it to the wire manager at the base of the module.

2-78 Installing the Control Unit