28 U2781A User’s Guide
3 Features and Functions
Introduction
The Agilent U2781A USB modular instrument chassis provides
six USB modular slots and equipped with 200 W universal AC
power supply and built-in over current protection circuit. A
10MHz system reference clock is supplied to each modules slots.
There are two temperature sensors and a monitoring fan
control circuit to monitor the internal temperature and speed of
the fans. The fans are mainly used for heat dissipation.
The chassis also provides external 10MHz reference clock,
external trigger in and trigger out functions via BNC connectors
at the rear panel.
The key function for the chassis is to provide users with
flexibility when using the U2781A modular instrument chassis.
The modular chassis allocates housing for six USB modules
with built-in power supply. The USB backplane provides a
means to synchronize the modules.
The key features and functions of the Agilent U2781A USB
modular instrument chassis are explained in this chapter.