Installation Guide 9
E444xAU IF Output Options E444xAU Options H20, H25 and H70
Installation Procedure
Instruments with H7L or HNQ
1. Remove the brown (1) wire marker clip from the E4440-60412 cable and add a red
marker clip (2) to each end of the cable. The wire marker will now read 52 (reference
designator W52).
2. Install cables (E4440-60412 and E4440-60413) and hole plug(s), as per the specific
option configuration, on the rear panel plate (E4440-00059). See Figure 6, Figure 7 and
Figure 8.
3. Apply the option specific label to cover the 70 MHz silk screen with the frequency for
the specific option being installed (20 MHz or 25 MHz). The Option H70 does not
require a label.
4. Apply the label to cover the “H70 IN” silk screen with the specific option being installed
(H20 IN or H25 IN). The Option H70 does not require a label.
Figure 6 Rear Panel Plate with Option H7L
6960-0149
E4440-60413 E4440-60412 H20 IN or
H25 IN Label
l
HNQ IN
20 MHz or
25 MHz Label
6960-0076
Hole Plug