Paradox Digigard DG85 Guide D'installation page 7

Relay Mode: (DIP Switch 1 = OFF)
When set to Relay Mode, the Digigard DG85
functions as would any standard motion
detector by communicating its alarm and
tamper signals via relays. Apply power by
connecting the AUX+ and AUX- of the control
panel to the RED and BLK terminals of the
detector as shown in Figure 3 on page 29. The
GRN and YEL terminals are not used.
In Relay Mode the detector's settings can only
be modified using the DIP switches and trim
pot.
DGP2 Mode: (DIP Switch 1 = ON)
When set to DGP2 Mode, the Digigard DG85
functions like a DGP2 motion detector module
by communicating alarm signals, tamper
signals, data and detector settings via the
combus.
The Digigard DG85 connects directly to a
Digiplex or DigiplexNE control panel's 4-wire
combus. Connect the four terminals labeled
RED, BLK, GRN and YEL to the
corresponding terminals on the control panel
(Figure 3 on page 29). The detector's relay
output always remains active even when set
to DGP2 Mode and can be used to activate
other devices.
In DGP2 mode, the motion detector can be
modified using the DIP switches and trim pot
or by entering Module Programming Mode via
Installation Guide 5n