Wiring and Connections
14 Delta Series Audio Controllers
2 Wire Keypad Connections (Control Only)
In some retrofit configurations it is not feasible or possible to re-route the speaker cable through the
keypad. In cases such as this, it is possible to run a separate cable pair (CAT- 3 / CAT- 5 / CAT- 6 /
Twisted Pair / Other 2 conductor wiring) cable from the Delta Controller to the keypad device for control
purposes. This diagram shows the connections of the control signal path to the keypad and the speaker
connections directly to the Delta Controller (FIG. 8).
Keypad wiring uses just two conductors. These could easily be Cat 3/5/6 or generic 2 conductor wiring.
Use only the D (DATA) and G (GROUND) terminals for the output of this connection. Speakers connect
directly to the Delta Controller as shown in FIG. 8.
Speaker wiring connects directly to the Delta zone output. Left and Right speaker positives connect to
the L and R terminals respectively. Both speaker negatives connect to the G terminal (which will share a
connection with the G wiring to the keypad).
FIG. 8 2 Wire Keypad Connections