Keysight B2980B User’s Guide, Edition 1 45
Introduction
Rear View
• Earth (ground) terminal
Terminal connected to earth (ground) through the power cord. This terminal is
also connected to the frame (chassis) of this instrument.
For B2983B/B2987B, if the power cord is removed from the instrument and the
built-in battery is used for operation, connect the instrument chassis to an
electrical ground through this terminal, for safety. Use the earthing wire
furnished with the B2983B/B2987B.
Do not apply current to this terminal. Doing so will damage the instrument.
• Trigger In and Out connectors
Two BNC connectors, one for trigger input, and one for trigger output. Used to
perform the operation synchronized with an external equipment. For more
information, see “Using Digital I/O and Trigger In/Out” on page 78.
• Digital I/O connector
D-sub 9 pin female connector for general purpose I/O (GPIO). Can be used as
an interface to a handler or the likes. For more information, see “Using Digital
I/O and Trigger In/Out” on page 78.
• LAN interface connector
Connects to 10/100 Base-T interface. Left LED indicates activity. Right LED
indicates link integrity.
• USB-B connector
Connects to USB interface.
• GPIB interface connector
Use Keysight 82357A/B USB/GPIB interface or Keysight 10833A/B/C/D/F/G
GPIB cable to connect to an external computer or equipment.
• AC input connector
AC power cord is connected to this receptacle.
• Serial Number
You will need the instrument’s serial number when using Keysight
Technologies telephone assistance program. The serial number label is
attached to the bottom of the instrument.