Chapter 2: Installation and Registration
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The optimal air flow is from the vents in the front of the unit to the rear holes in the rear and top plate. When the unit is installed, con-
siderations have to be made to ensure proper air circulation from the bottom to the rear. It is recommended that you leave one rack unit
of space free under unit, and do not block the back and top panel vent holes. The speed of the two low-noise fans will increase automat-
ically to keep the internal temperature low if there is insufficient airflow. A temperature alarm appears in the front panel display if the
internal temperature exceeds 60º C / 140º F.
Connecting Cables
Once you have installed MTRX II in a rack (optional), you are ready to start connecting cables.
Connect Power
Connect the included IEC cable to MTRX II. Then connect the cable to a grounded AC power outlet. It is recommended that you connect
to a grounded power switch or power conditioner.
Connect Ethernet
Connect the MTRX II directly to your computer or to your computer’s network using a GigaBit Ethernet cable (not included) (see Net-
work Configuration). Note that when using the optional Thunderbolt 3 module, only a Thunderbolt 3 cable connection is required.
Connect DigiLink
Connect one or two DigiLink Mini cables (not included) to the DigiLink Mini ports on MTRX II. Then connect the other end of these
cables to an HDX card, or an HD Native card or HD Native Thunderbolt box. See Connecting Pro Tools | MTRX II to a
Pro Tools | HDX or HD Native System Note that when using the optional Thunderbolt 3 module, only a Thunderbolt 3 cable connection
is required.
Connect Thunderbolt 3 (Optional)
If you have installed the optional Thunderbolt 3 module, connect one end of a Thunderbolt 3 compatible cable to an available port on
the MTRX II Thunderbolt 3 port to a Thunderbolt 3–compatible port on your computer. You can use the Thunderbolt 3 module with any
tier of Pro Tools and without DigiLink or Ethernet connections.
Connect Clock Sync
If you are installing Pro Tools | MTRX II in a system with multiple audio interfaces (such as HD I/O) and/or a synchronization peripheral
(such as SYNC X), make the appropriate Word Clock or Video Reference cable connections using shielded BNC cables (not included).
Connect Audio
Make sure that your sound system is powered off. Make the appropriate analog and digital audio cable connections for your system.
Refer to the mechanical specifications section for more details regarding installation.
In order to meet EMC requirements and in order to obtain the highest performance of MTRX II, use high-quality, properly shielded
cables for all external connections when installing MTRX II. For the power connection, a normal unshielded power cable with a
proper protective earth conductor can be used.
To orient yourself with MTRX II back panel connections, see Pro Tools | MTRX II Front and Back Panels
For more information, see Installing Thunderbolt 3 Option Module.
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