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Model MX88
© 2011 Xantech Corporation
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ONNECTING KEYPADS OR TOUCH
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PANELS
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While we use the term CAT5 throughout this manual, CAT5/5e/6/7 may be used to connect the MX88
to Xantech keypads and touch-panels. Bear in mind that cable quality may reduce maximum lengths
quoted throughout this manual or in the keypad or touch-panel manuals.
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The maximum cable length for CAT5 connections to a single keypad and/or multiple keypads varies
depending on the keypad being used. In certain applications, external power supplies and/or the
MRC44CB1 connecting block may be needed.
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Most Xantech touch-panels require an external power supply. In such cases the length of CAT5 will not
be limited due to power requirements of the touch-panel, but by the maximum length allowed by the
MX88 keypad interface bus. When using self-powered zone controllers only in a zone, the maximum
CAT5 length from MX88 to the last controller should be 500ft or less.
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If any keypad in the zone is using an external IR receiver, or if an outdoor keypad (such as WaterPad)
or an IR-onloy keypad (such as a SmartPad) is necessary in a sub-zone, the 4-pin EXTERNAL IR
SENSOR CONNECTING BLOCK on the back of Xantech keypads and touch-panels can be used to
power this IR device. The Maximum cable run to the external IR receiver/keypad in each of the above
cases can be up to 125 feet from the keypad depending upon type and gauge of wire used.
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MRC88KP and MRC88DJKP keypads are older, legacy products that will work with the MX88, but
cannot be mixed with MRKP1/MRKP1E/MRKP2/MRKP2E or the Xantech touchpanels within the same
zone, due to using a different communications protocol.
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If no MX88-compatible wired keypads or touch-panels are used in a particular zone, IR Receivers
and/or IR based Keypads may be used as shown in
Figure 6
below
,
using the MRC44CB1 Connecting
Block. This set up works for:
1. Zones with IR Receiver ONLY
2. Zones where a WaterPad, SmartPad, and/or IR Receiver is used
FIGURE 5
Using a CAT5 wire, connect one end into the desired Zone output of the MX88 controller and connect the
other end to the RJ45 connector labeled CONTROLLER on the MRC44CB1 connecting block. IR Receivers
terminated with a Stereo Mini Jack can be directly connected to the MRC44CB1 connector labeled IR IN.
For all others IR Receivers with bare wire or the IR keypads, use 24AWG or larger cable and connect using
the +12V, GND, and SIG screw terminals. A separate power supply is required for configurations in which
the current load will approach 100mA. In fact, we recommend that an AC Adaptor/Power Supply is always
used whenever possible. Consult the MRC44CB1 manual for complete instructions.
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PEAKER
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ONNECTIONS
SPEAKER POLARITY: TO OBTAIN STABLE IMAGING AND FULL BASS RESPONSE, IT IS IMPERATIVE
THAT STEREO SPEAKERS BE CONNECTED "IN PHASE" WITH EACH OTHER. YOU CAN VERIFY THIS
AS FOLLOWS:
