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Plantronics Electronic Hook Switch (EHS) Cord Compatibility Guide for Cisco

Cisco SPA501G, SPA502G, SPA504G, SPA508G, SPA509G

Cisco SPA512G, SPA514G, SPA525G, SPA525G2

Cisco 6945, 7821, 7841, 7861

Cisco 7942G, 7945G, 7962G, 7965G, 7975G

Cisco 8811, 8841, 8845, 8851, 8861, 8865

Cisco 8941, 8945, 8945G, 8965, 8965G

Cisco 8961, 9951, 9971