NEC\Nitsuko DS 2000 CPUT Central Processing Unit 80025A

Central Prosessing Unit (CPU) PCB The CPU provides: The sstem's central processing, stores program and memory for the customer's site-specific data. PC Card interface. Conference circuits, DTMF recievers and DTMF generators. External music input and on-board synthesized music source. External paging output and assciated relay. Real Time Clock Battery for short term (14 day) backup of the customer's.