Avaya Definity TN2182 Tone Clock (Refurbished)Key Features: The TN2182 integrates the tone generator, tone detection, system clock, and synchronization functions onto one circuit pack for use in standard, high, and critical reliability systems Supports 8 ports for tone detection and allows gain or loss to be applied to Pulse Code Modulated (PCM) signals received form the bus Provides Stratum 4 enhanced clock accuracy Supports MFC signaling and places single tone on any of the 256 time slots of