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- Mnfr Part #: 5000-0419
- CS 684 - Connects up to six analog loop-start CO lines, eight Digital Feature Phones and four analog station ports
- The CO line ports support standard CO and Centrex loop-start lines (but not ground-start CO lines)
- The analog ports provide a standard 24-volt, two-wire connection to fax machines, courtesy phones, modems, etc
- Only one device can be connected to each analog station port
- This card uses 12 station ports and six CO ports
- Compatible with:
- ESI Communications Server 200
- ESI Communications Server 600
- ESI Communications Server 1000
- Condition: Refurbished
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