1A3
308
616
1648
308 System
NC-308 KSU 3x8 Key Service Unit
NC-308 3 Line Telephone
NC-308 MSU Memory Speed Unit
616 System
NC-616 KSU 6x16 Key Service Unit
NC-616-PS Power Supply
NC-COU 2 Ckt CO Line Card
NC-SIU 4 Ckt Station Card
NC-CCU Centralized Control Card
NC-HTU Handsfree Talkback Unit
NC-MLU Multi-line Conference Card
NC-PSU 2 Ext/2 ICM Box Card
NC-MEU Matrix Expansion Card
NC-MSU Miscellaneous Card
NC-PTU PABX Transfer Unit
NC-616 6 Line Telephone
NC-616-SPU 6 Line Speakerphone

NC-616-ICM ICM Box
1A3 System
NC-1A3 6x12 Key Service Unit
EKT-1A3 6 Line Standard Phone
EKS-1A3 6 Line Speakerphone
1648 System
NC-1648-KSU 16x48 Key Service Unit
NC-1648-PS 16x48 Power Supply
NC-1648-DC DC-DC Converter
NC-SIB 8 Ckt Single Line Board
NC-SCB Single Line Control Board
NC-HIB Highway Board
NC-KIB 8 Ckt Station Board
NC-CPB Central Processor Board
NC-TNB Tone Board
NC-COB 4 CKT CO Line Board
NC-CNB Conference Board
NC-1648 Standard Telephone
NC-1648-LCD Display Telephone
NC-1648-BLF BLF Unit
NC-1648-DSS DSS Unit