16
Installation Note N9010-90041
Option EXM, External Mixing Upgrade Kit
Add EXT MIXER Connector and Cable to Front Frame Assembly
1.
Locate the SMA female to SMA female connector (1250-1666), ¼” lockwasher (2190-0067),
and ¼” hex nut (2950-0223) in the kit. If the SMA connector includes hardware, discard that
hardware and use the 2190-0067 lockwasher and 2950-0223 hex nut included in this kit.
2.
Remove the hole-plug in the top-most hole in the upper right corner of the front frame
assembly.
3.
Insert the SMA female to SMA female connector in the hole in the front frame assembly from
the front of the assembly. The hex feature on the connector should engage with the recess in
the front frame assembly. Refer to Appendix Figure 8, “Attaching SMA Female Connector,”.
Secure the connector using the ¼” lockwasher and ¼” hex nut from the rear. Torque to 21
inch-pounds.
Figure 8
Attaching SMA Female Connector
4.
Locate the External Mixing, Front Panel semi-rigid coax assembly in the kit, part number
N9020-20166. This is W27. Note that this cable is symmetrical; either end can be connected to
the front-panel connector.
5.
Connect one end of W27 to the SMA female connector as shown in Appendix Figure 9,
“Connecting W27 to Ext Mixer Connector,”.
6.
Orient W27 so that the cable slopes upward from the Ext Mixer connector at a 15 degree
angle. The top of the connector should be approximately level with the top of the shield over
the Front Panel Interface board. Refer to Appendix Figure 11, “Front Panel Cable,”. Torque the
cable nut on the Ext Mixer connector to 10 inch-pounds.
