Agilent Switch and Control Instruments

Model	Description
3499A	5-Slot Switch/Control Mainframe
3499B	2-Slot Switch/Control Mainframe
3499C	9/14-Slot Switch/Control Mainframe
34970A	Data Acquisition Switch Unit
34980A	Multifunction Switch/Measurement Unit
L4421A	40-Channel Armature Multiplexer
L4433A	Dual/Quad 4x8 Reed Matrix
L4437A	32-channel Form A/Form C General Purpose Switch
L4450A	64-bit Digital I/O with Memory and Counter
L4451A	4-Channel D/A Converter with Waveform Memory
L4452A	Multifunction with 32-bit DIO, 2-ch D/A and Totalizer
L4490A	2U RF/Microwave Switch Platform
L4491A	4U RF/Microwave Switch Platform
U2121A	Digital I/O Module and Options for RF Switching
U2122A	32 Channel Digital Input Module
U2123A	32 Channel Digital Output Module