Optional A-Lead Connection - Northern Telecom Unity Two-Line User Manual

14 / Assembly and Installation
Optional A-Lead
Connection
u sing your Unity Two-Line with certain systems may require A-
lead control. To enable compatibility with this type of system,
you can order the optional A-lead cord to plug into the second
jack (designated 'J1') on the underside of your phone. Refer to
Figure 8 for A-lead cord and jack connections.
UNITY Two-Line Business Terminal, User Guide - Issue 1
Jl
J2
I]
I'
a
Fig.