117-00008 Rev 3.0 Flightcell® DZMx Installation Manual
Page 11 of 75
Effective Date: 18 February 2022
DZUS rack, the housing is grounded to the DZUS rails via the DZUS connectors and
contact between the front panel metalwork and the DZUS rails.
If the DZMx has a GA front panel it is recommended to bond the DZMx to aircraft chassis
ground via either the hardpoint on the rear of the DZMx or the chassis ground pin on the
primary connector.
Installing Data Ports
The DZMx has several data connections wired off the main or secondary connector:
»
Ethernet
–
used for connecting a PC or other Ethernet-capable device.
»
USB
–
used for firmware upgrades and connecting USB-only devices.
»
RS232
–
available for serial data connections to some external devices and as a
debug port.
»
RS422/RS485
–
used for serial data connections, and connection to one or more
DZMx Remote Heads.
Two additional data connections are available by installation of optional expansion cards in
the DZMx.
»
ARINC 429
–
used to send and receive over the aircraft ARINC 429 data bus.
»
Second Ethernet
–
used to provide a second Ethernet connection.
Connector Pinouts (civilian versions)
Refer to the Civilian wiring diagrams for the Flightcell DZMx and associated equipment
available on the Flightcell website
The standard civilian variant of the DZMx uses two D25 connectors. Refer to the figure
below for the layout of the DZMx backplate.
DZMx Backplate, Standard Civilian Variant
Note:
DZMx variants with Iridium 9603 (SBD) modems have an additional SMA female
connector.
