8 Installation Note N9040-90014
Option RTS, Streaming
6. Figure 3 shows the WBDIF Extension assembly installed in the instrument that has Option B5X.
Notice the gray flexible cables are routed along the instrument chassis.
7. Remove the gray label that covers the rear panel Wideband Digital Bus connectors.
8. Install the WBDIF Extension assembly as shown in Figure 3. Locate three screws in the kit and
secure the WBDIF Extension assembly to the rear panel. The screws are installed above and
below the I and Q connectors. Install another screw into the pem that lays in the side frame
cutout. Figure 3 shows this pem without a screw installed. Torque the three screws to
9inch-pounds.
9. Connect the Flex circuit cables to the Wideband Digital boards in the card cage as shown in
Figure 3. If the UXA has only the top WB DIF board, connect the flex circuit cable from the
WBDIF Extension J1 to the connector on the WB Digital IF assembly.
10. If the UXA has two WB Digital IF boards, connect the flex circuit previously attached to the
WBDIF Extension assembly J2 (J2 is connector is on the edge of the WBDIF Extension), to the
bottom WB Digital IF board in the card cage. Connect the other flex circuit from the WB Digital
IF Extension J1 to the top WB Digital IF board in the card cage.
Complete Hardware Installation
1. Locate the replacement RF side bracket in the kit and install this onto the instrument. Use the
screws in the kit to secure the RF side bracket to the pems on the WBDIF Extension bracket.
2. Secure the front frame to the instrument using the screws previously removed.
3. Replace the top brace. When installing the top brace assure cables do not get smashed under
the top brace. Torque to 9 inch-pounds. Replace the small bracket if previously removed.
4. Plug in the instrument and allow to boot up. The power on check will assure the instrument
can find the WBDIF Extension assembly.
5. Power down the instrument. Once the instrument is completely shut down, remove the power
cord.
6. Replace the instrument cover, feet, and side handles.
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