Keithley 3706A Reference Manual

Section 3: Instrument description Series 3700A System Switch/Multimeter Reference Manual
3-28 3700AS-901-01 Rev. D/June 2018
The figure below shows the location of the ethernet connector on the Series 3700A rear panel.
Figure 31: Series 3700A ethernet connection
LAN status LEDs
The figure below illustrates the two status light emitting diodes (LED) that are on the LAN port of the
instrument. The table below the figure provides explanations of the LED states.
Figure 32: LAN status
1
LED indicates the LAN port is connected to a 100 Mbps network
2
LED indicates the LAN port is connected to a 10 Mbps network
When the LED is:
The network:
Off
is not connected
On
is connected
Blinking
is sending or receiving data
USB connectors
The downstream USB-2.0 receptacle (Type B) on the rear panel connects to a host. The front panel
has an upstream USB-2.0 connector (Type A) that connects to a user-supplied USB flash drive.
Use the rear connector to communicate with the instrument over USB by sending commands. Use
the front-panel connector to insert a USB flash drive for saving or loading reading buffers, user
setups, or scripts.
Figure 33: USB connectors

Keithley 3706A Specifications

General

Model	3706A
Category	System Switch/Multimeter
Voltage Range	100 nV to 300 V
Basic DC Voltage Accuracy	0.0035%
Basic Resistance Accuracy	0.01%
Maximum Channels	576
Maximum Voltage	300 V
Connectivity	LAN, USB, GPIB
Interface	LAN, USB, GPIB
Switching Matrix	Yes
Channels	576 (6-slot mainframe)
Maximum Current	3 A