Agilent Technologies E444xAU Option H37 - For Older Instruments Only (E4440 A, E4443 A and E4445 A); All Units

Installation Guide 11
E444xAU Option H37 General Information
Installation Procedure
For Older Instruments Only (E4440A, E4443A and E4445A)
Instruments that have been built recently will have the cables listed below.
10. Remove the three semi-rigid cables on the RF step attenuators (33360-60003 and
(33321-60058) and add the following new cables.
a. Attenuator 1 to attenuator 2 cable (E4440-20068)
b. Input cable (E4440-20067)
c. Attenuator 2 cable to rhythm (E4440-20069). Torque to 9 in-lb.
Figure 11 Semi-rigid Cables
All Units
11. Reconnect the front panel ribbon cable and carefully route the green Ext Trigger Input
cable between the two fans and connect it to J5 on the Analog IF board. Refer to Figure
4, “Chassis Cover.” Install the front panel using the 7 screws that were removed in
step 1. Torque to 9 in-lb. Refer to Figure 4 on page 6.
12. Apply option label “H37” to the rear panel serial tag option field.
a
b
c