The Front Panel; Optical Output - Keysight Technologies 81490A User Manual

Getting Started

The Front Panel

Optical Output

Keysight 81490A Reference Transmitter Module User's Guide, Edition 3.0
Figure 1 Front Panel of the Reference Transmitter Module
To insert these modules into your mainframe see your
mainframe's User's Guide.
Straight Contact Connectors
The Keysight 81490A Reference Transmitter Module are
equipped with a straight contact optical output connector.
Straight contact connectors help you maximise the power
output.
Only use cables with straight connectors with the instrument.
CA U TI O N
Using an angled contact connector can result in losses of 7dB or more.
Figure 2 Straight Contact Connector Symbols
Unlocking the Laser
You have to unlock the laser before you can switch it on.
You can unlock the laser when you first switch the
mainframe by entering the password.
If you need to unlock the laser later,
1. Press Config.
Getting Started with the Reference Transmitter Module
Straight Contact
Connector Symbol
(with PMF)
11