You cannot install two system telephones on the same extension, and the combined REN (Ringer
Equivalence Number) of two devices on one extension cannot exceed 2.0. (The REN for a system
telephone is 0.0.)
You can connect a tip/ring device to a system telephone that also has an Intercom
Autodialer installed.
PARTNER telephones have a built-in auxiliary jack so you can connect a tip/ring device directly to
the telephone without using a bridging adapter; this is called a direct connection. If your telephone
does not have a built-in auxiliary jack, or if you want to connect two tip/ring devices together, you
must use a 267F2 Bridging Adapter.
Using a Direct Connection
You can connect a tip/ring device directly to a system telephone by plugging the cord from the tip/
ring device into the AUX jack on the bottom of the system telephone (see
Figure 9-1. Combination Extension Using Direct Connection
Using a Bridging Adapter
You can connect a system telephone and a tip/ring device, or two tip/ring devices by using a 267F2
Bridging Adapter. Connect the system telephone and/or the tip/ring device(s) according to
Figure
9-2.
System Phone
Using Auxiliary Equipment
Figure
Plug line into
jack labeled LINE
Plug standard device
into jack labeled
AUX
Combination Extensions
9-1).
9-3