Our Front Programmable 1/4" (Long-Frame) 489 Series allows users to quickly and easily change the normals and grounding of individual circuits. Please select between 489-A and 489-S below to be taken to Programming Instructions specific to your model. We're pleased to provide online programming instructions for our patchbays. If you need additional help, click here for our Email Form, or call a Bittree Sales Consultant toll-free at (800) 500-8142.
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