Zenith Z-170, Owner'S Manual, Page: 80 / 147

A.lO
Appendix A
J U N C T I O N B O X
To connect a phone with a junction box or 4-pin plug:
Replace the junction box with a modular jack. Each screw inside
the jack will have two wires of each color attached to it.
Add a "universal instant jack" to the phone socket. Plug the phone
and modem cables into the universal jack.
To connect the modem to a PBX system:
Install a "Line One Tap" between the 24-pin connectors. Connect
the modem cable to the tap.
To operate the modem, set "External Mono Adapter" on the Setup
Menu to OFF.