Description
The NEC 2PGDAD 2-Circuit Door Box Adapter (0891027) features:
• Provides 2 circuits which allows connection to external terminals
• Supports Door Box (8 maximum per system)
• External Speakers (8 maximum)
• External Music Sources (external MOH) (96 maximum per system)
• External Ringing
• Refurbished
• One-Year Warranty