DMP Electronics 708 Installation Manual

708 BUS EXTENDER MODULES
Installation Guide
MODEL 708
CONNECT
TO PANEL
MODEL 708
CONNECT
RED YEL GRN BLK
TO DEVICES
1 2 3
RED YEL GRN BLK
Figure 1: 708 Modules
DESCRIPTION
Model 708 Bus Extender Modules
allow you to increase the length
of LX‑Bus or Keypad Bus wiring
to a maximum of 4,000 ft while
providing immunity to wire noise.
Use 708 Modules in applications
such as long wire runs, noisy
environments, or where the bus run
is bundled with other wires, such as
telephone company wire.
The included pair of 708 modules
connect between the panel and
LX‑Bus or Keypad Bus devices.
These modules are referred
to as the Panel Module and
Devices Module respectively.
Compatibility
• All DMP XT and XR Series panels
• All DMP LX‑Bus and Keypad Bus
devices
What is Included?
• One pair of 708 Bus Extender
Modules in Universal Housings
• Hardware pack
1
1 2 3 4 5 6
4 5 6
2
MOUNT THE MODULES
The 708 comes in a high‑impact plastic housing that you can
mount directly to a wall, backboard, or other flat surface. For easy
installation, the back of the housing contains multiple holes that
allow you to mount the module on a single‑gang switch box or
ring. The module can also be mounted in a DMP enclosure using
the standard 3‑hole mounting pattern. Refer to Figure 2 and
Figure 3 as needed during installation.
1. Hold the plastic standoffs against the inside of the enclosure
side wall.
2. Insert the included Phillips head screws from the outside of
the enclosure into the standoffs. Tighten the screws.
3. Carefully snap the module onto the standoffs.
Mounting
holes
Figure 2: Mounting Hole Locations
WIRE THE PANEL MODULE
Use 18 to 22 AWG wire to connect the Panel Module directly to
the Keypad Bus or use a dual‑ended 4‑wire harness to connect
directly to the LX‑Bus. This connection allows the module to
communicate with the panel and receive 12 VDC power. For more
information about wiring, refer to Wiring Specifications. Refer to
Figure 4 and Figure 5 when wiring the module.
Caution: To avoid potential equipment damage from lightning
strikes, do not run LX‑Bus, Keypad Bus, or 708 bus wires
underground.
Connect to the LX‑Bus
At the Panel Module, connect wires to the RED, YEL, GRN, and
BLK terminals. Connect the red, yellow, green, and black wires to
the corresponding 4‑wire harness leads. Connect the other end of
the harness to the LX‑Bus header.
Connect to the Keypad Bus
At the Panel Module, connect wires to the RED, YEL, GRN, and
BLK terminals. Connect the red, yellow, green, and black wires to
panel Terminal 7, 8, 9, and 10 respectively.
Figure 3: Standoff Installation