Keysight Technologies N4374B, Руководство пользователя

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Introduction
Keysight
N4374B Lightwave Component Analyzer, User’s Guide 17
3 Laser switch Press the switch to turn the laser
on (LED on), and off (LED off).
The laser can also be switched on
and off from the LCA
Measurement Setup Macro (in the
LCA System Settings menu), or
remotely.
This switch overrides other.
Pressing this switch during a
measurement, will invalidate your
results.
4 Optical Output
Warning: Laser Radiation can
damage your eyesight!
Refer to “Laser Safety” on page 12
for safety instructions.
This is the output of the optical
transmitter of the lightwave
component analyzer.
5 Optical Input 1
(low power) Caution: Do not apply more
than +7 dBm (maximum safe
average input power).
This input is the standard optical
input to the optical test set for
optical powers up to +4 dBm.
6 Optical Input 2
(high power)
Caution: Do not apply more
than +17dBm.
This is the input to use if your
peak optical input power is
b5dBm and +15dBm.
This input has reduced sensitivity.
7 Port B This is the RF output from the
receiver of the optical test set.