--- title: "PDM Rack Ears" slug: "pdm-rack-ears" updated: 2024-12-11T14:05:38Z published: 2024-12-11T14:05:38Z canonical: "docs.telosalliance.com/pdm-rack-ears" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.telosalliance.com/llms.txt > Use this file to discover all available pages before exploring further. # PDM Rack Ears ### Scope This document pertains to the 25-Seven Program Delay Manager. - 2001-00350-000: Program Delay Manager – AES & Analog - 2001-00351-000: Program Delay Manager – LIVEWIRE Only The parts mentioned here also work the legacy 25-Seven Precision Delay. - 2001-00354-000 Precision Delay - AES - 2001-00355-000 Precision Delay – LIVEWIRE ### The Rack Ears ![](https://cdn.document360.io/57e3cd80-d493-453c-9672-ad1b043dadc3/Images/Documentation/7a239455-8f6b-4b1b-af90-6ae2e3dd8fbc-image.png?sv=2026-02-06&spr=https&st=2026-11-07T18%3A04%3A43Z&se=2026-11-07T19%3A04%3A43Z&sr=c&sp=r&sig=bqVxOaeVOIDqUC68yz8WqG750SNF7KO3qzJCkYE1Fwg%3D) If you're in need of a replacement rack ear, [contact Customer Support](https://www.telosalliance.com/support-request) and ask for pricing and availability of part # 1451-00728-102. The same rack ear is interchangeable between both sides of the PDM, meaning you can order two of the same ear if you need a set of rack ears. > [!WARNING] > Each ear needs three 6-32 x 1/4" flathead screws. These can be picked up at your local hardware store or ordered using part # 1301-00232-100. ### Let us know how we can help If you have further questions on this topic or have ideas about improving this document, please [contact us](https://www.telosalliance.com/support-request).