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Covid-19 & Returns: Due to Covid-19, certain manufacturers we carry are no longer accepting returns on their products until further notice and they are only offering replacements if an item is not working. Please feel free to contact us via phone or email to confirm the return policy on any item you might be interested in before purchasing on our website.
- Mfr. Part #: 580.2100
- 4-Port Single Line Module SLM-4
- Adds 4 analog extensions
- Requires one bay in a 5000 base server & version 2x or higher
- Compatibility: CS5000 or HX 5000 phone systems
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