System capacity

DP5000, DKT3200, 3000 and 2000-series DKTs1 16 72 (40 Base Cabinet) (40/Expan. Cab.) 112 152 (72 Base Cabinet) (80/Expan. Cab.) 552 (72 Base Cabinet) (80/Expan. Cab.) IPT2000 telephones3 24 64 per cabinet 72 per system 160 per System 80 per cabinet 80 Base 80 Expansion 160 System 80 Base 80 Expansion 560 System IADM2020 on IPTs4 48 per system 2 IADM2020 per IPT 53 per cabinet 53 per system 58 per System 58 per cabinet 80 per cabinet 116 per system 80 per cabinet 400 per system DKT2204-CT or DKT2304-CT Cordless Telephone1 16 72 112 152 552 Door locks5 3 4 5 5 10 Door phone control boxes (DDCB) 2 2 3 3 8 Door phones 6 6 9 9 24 DSS consoles (DSS)