ITech IT7900 Series - Page 18

Instrument Introduction
Copyright ©ITECH Electronic Co., Ltd. 16
7
External control
interface CTRL
This interface is used for the parallel connection
between the master (with
operation panel) and the slaves (without
operation
panel). Connect the interface
on the rear panel of each unit to be connected
in parallel, and the master can offer
synchronous control over the power
-
on/off of
the slaves.
8
USB interface
USB communication interface.
9
system bus
Used for communication between instruments in
parallel operation feature.
10
AC power input
socket
Used to connect AC power to start instrument.