The External Control Relay ETU provides common audible tone signaling using relay contacts for external ringing equipment, an audio output for external paging systems, and connection for external background music.
- Ten relays are provided:
- Four for External Tone Ringer Control
- One for Night Chime
- Three for External Paging
- Two for General Purpose
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Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.
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- Item(s) must be returned within 30 days from invoice date.
- Item(s) must be received in original condition preferably in the same packing materials.
- Item(s) should be securely packed for safe return.
- The purchaser is responsible for all shipping costs and insurance.
- Products usually ship within two business days after payment. If you have a rush order, or need an item delivered on Saturday please call to request faster shipping.
- All products are shipped and delivered on business days.
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