HP HP 83491A, User Manual, Page: 10 / 62

1-4
Installation
Installation
Figure 1-2. Position of modules in the mainframe
3 Clean all optical interfaces as described in “Cleaning Connections for Accurate
Measurements” on page 4-10 , before making measurements .
4 Perform the following steps if you’re installing an HP 83492/3A module:
a Unscrew and remove the fiber-optic adapter that is located on the optical
module’s front-panel optical input connector.
b Connect the adapter that was removed in the previous step onto the
HP 83492/3A module’s front-panel
Input connector.
On HP 83492A module’s, the input connector used depends on the
wavelength of the input signal.
Refer to “To connect cables to an
HP 83492A” on page 1-7 .
5 Connect the supplied adapter cable as shown in Figure 1-3 .
W A R N I N G Light energy can radiate from the front panel
Output
connectors on
HP 83492A and HP 83493A modules. The light emitted from these
connectors is the slightly attenuated light that is input to the front-
panel
Input
connector.
6 Turn on the HP 83480A, and connect a modulated signal to the HP 83491/2/3A
module’s
Input
connector.