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Attenuator Assemblies

Click on the categories below to view sortable tables with our online models. If you cannot find a model online that meets your requirements, then please email the request to our engineering department at jfwengr@jfwindustries.com.

19 Inch Rack Mount
These programmable attenuator assemblies contain from 1 to 48 attenuators. Each attenuator can be controlled individually (set attenuator command) or as a group (block command, set block command). The assemblies are AC powered (100-240 VAC) by an internal AC/DC power supply. The chassis is rack mountable via front plate mounting holes and come in standard rack unit heights.

19 Inch Rack Mount with Levers
These programmable attenuator assemblies use lever switches for manual control instead of our standard keypad. The lever switches allow for manual control of each individual attenuator. Each lever is paired with a display that shows the attenuator???s current dB setting. As the dB settings are changed manually or remotely, the display updates with the new dB setting values. As a remote script is executing, all dB setting changes can be easily observed on the front panel.

Benchtop
The benchtop attenuator assemblies contain from 2 to 12 attenuators. Manual control is via keypad and display. Each attenuator can be controlled individually (set attenuator command) or as a group (block command, set block command). The benchtop assemblies are AC powered (100-240 VAC) by an internal AC/DC power supply.

Mini-Benchtop with Levers
The mini-benchtop attenuator assemblies contain from 1 to 4 attenuators. Manual control via lever switches on the front panel. The lever switches are momentary so that you can ???tap to step??? or ???hold to jog???. The current attenuation for each attenuator is displayed on the front panel. The mini-benchtop assemblies are DC powered using an external AC/DC wall transformer that is shipped with each unit.

3.x.x Firmware
All of the attenuators assemblies that are controlled via Ethernet/RS-232 run our latest 3.x.x firmware. Our firmware manual (firmware manual.pdf) lists all remote commands for the 3.x.x firmware. The 3.x.x firmware supports up to 12 simultaneous Ethernet connections and is DHCP capable. It features remote commands such as fade attenuator, variable attenuator handover, set block, fade block.