AT&T Release 2.0 manual Modifying the Processor Board for Key Mode

Installing the Control Unit

H D R 4

S H U N T

HDR3

Do not touch

H D R 3

Figure 2-12. Modifying the Processor Board for Key Mode

d.on the exposed portion of the processor board, find the header marked HDR4; it is in the upper-left area.

e.A shunt is attached to one of the pins on the HDR4 header.

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

g.Take the KF label from the Jack Numbering Labels Sheet that is packed with the feature module; fasten it to the wire manager at the base of the module.

2-42Installing the Processor