CAUTION
ALL WIRING MUST BE DONE AS DESCRIBED BELOW
TO OBTAIN SAFE AND PROPER SYSTEM OPERATION.
1. Earth ground the MXL enclosure properly; see the latest edition of the National
Electrical Code for approved methods. Conduit ground is NOT adequate.
2. Separate all wiring for initiating devices (i.e., detectors, manual stations, TRI
modules, etc.) from all other wiring in the MXL enclosure. To wire the System in
compliance with UL 864, refer to the Power Limited Wiring Instructions for the
MME-3 Enclosure, P/N 315-094883.
3. INSULATE ALL CABLE DRAIN WIRES from any conduit or earth grounded
electrical box, including those in the MXL enclosure.
4. Connect shield cable drain wire ONLY inside the MXL enclosure.
5. No wiring used for any of the following can run outside the building:
 an ALD loop
 a RS-485 network
 an NAC circuit used for audibles, audio, and telephone risers
 a CZM-1/1B6 or CZM-4 initiating device loop
UL Listings for MXL/MXLV
The complete MXL system is UL listed
under the model name MXL. MXLV is
used in this and other documentation
to identify the basic listed MXL system,
including the listed voice equipment
described in this manual. MXLV itself is
not a listed model or name, but is used
for ease of presentation. The voice
equipment is listed, however, as part of
the basic MXL System.
For additional
wiring information,
refer to this
manual or call
Siemens Building
Technologies, Inc.
Technical Support
Department at
1-800-248-7976.
WARNING
The user must follow the 24V power
distribution indicated on pages 4-109
and 4-110.
The CZM power available on the MMB
or PSR must not be used to provide
24V internal power to the OMM-1/-2 or
TBM-2. Using this power may result in
24V failure due to a current limiting
circuit; the system may not function
properly.
Observe the 24V power loads listed
in Appendix D - MXL Power Supply
Load Calculations for all of the cards
plugged into the OMM-1/-2. This will
ensure that the system functions
properly.
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