For example: Agilent E4440A or Anritsu 68369
Keithley Instruments Data Acquisition Systems
Keithley Instruments 2520
The Keithley 2520 Pulsed Laser Diode Test System

Manufacturer: Keithley Instruments
Keithley Instruments 3706A-SNFP
Keithley 3706A-SNFP Six-Slot System Switch, without Front Panel Display and Keypad

Manufacturer: Keithley Instruments
Keithley Instruments 7002
Keithley 7002 Full Rack Switch Mainframe 10 Slot, 400 Channel

Manufacturer: Keithley Instruments
Keithley Instruments 7002-7152-4-TRX-7
Switch System Mainframe 10 Slots w/ Matrix cards

Manufacturer: Keithley Instruments
Keithley Instruments 7011S
Keithley 7011-S Quad 1x10 50 Channel Multiplexer for use w/ 7001 & 7002

Manufacturer: Keithley Instruments
Keithley Instruments 7020
Digital I/O Card, 40 inputs, 40 outputs (mating connector included). For 7001, 7

Manufacturer: Keithley Instruments
Keithley Instruments 7072
8x12, Semiconductor Matrix Card for 707, 708

Manufacturer: Keithley Instruments
Keithley Instruments 7078-TRX-BNC
3 Slot Male Triax to BNC Adapter

Manufacturer: Keithley Instruments
Keithley Instruments 7703
32 Ch Hi Speed Differential Multiplexer

Manufacturer: Keithley Instruments
Keithley Instruments 7710
20 Ch Solid State/Long Life Differential Module

Manufacturer: Keithley Instruments
Keithley Instruments 7712
3.5GHz, Dual 1x4 50ohm Multiplexer Card

Manufacturer: Keithley Instruments