Partner ACS 308EC Expansion Module Features
Adds 3 line and 8 station ports to your Partner ACS system
Caller ID built-in (Caller ID must be provided by local carrier)
Fax detection and routing available
Universal Port Structure allows multi-line analog phones or single line devices (fax machine, credit card machine, modems, etc.)
REFURBISHED, LIKE-NEW condition. Covered under a one-year warranty.