Nortel Nortstar NT7B53AA-93 0X32 Central Contol Unit - Off-White - Includes NT7B62GB-93 Power Supply Unit 220-240V AC 50Hz 1.3A - Includes 2 x NTBB30AF-93 EPBX Analogue Cards - Includes NT7B79AE93 Software Cartridge - Includes NTBB02AA-93 Expansion Card - 3 x 50-Pin Large Parallel Connection - UK Kettle Power Input