Merlin 3070 Service And Maintenance Manual page 233

Description
The 4-Way Modjack Adapter consists of one 4-pair
modjack and four 1-pair modjacks attached to a
printed circuit board.
4-pair
modjack
4-Way Modjack Adapter
The adapter fits into a jack panel box as shown
below. Wiring runs for four power failure transfer
telephones (PFTTs) or four extra alerts can be
connected to the four 1-pair modjacks. One end
of a jumper cord is connected to the 4-pair
modjack. The other end of the jumper cord is
connected to the PFTT or EXTRA ALERT jack in
the Feature Cartridge or Feature Module in the
control unit.
jumper cord to PFTT
or EXTRA ALERT jack
Z609A 4-WAY MODJACK ADAPTER
1-pair
modjacks
cable to power failure
transfer telephones of
extra alerts
CIB 3038
Installation Instructions
1. In the jackfield, find a jack panel box with a
yellow dot (for auxiliary equipment
adapters).
The 4-Way Modjack Adapter requires three
2.
jack retainer positions in the jack panel
box. To make room, remove the second and
third pairs of retainer prongs from the top
or bottom of the box. With your fingers or
pliers, bend the prongs back and forth until
they break.
yellow dot
Break off prongs in area 1 or 2
Continued on other side