TPU-1 DIMAT-TPU-1 Teleprotection with 4 Command With Analog Interface 1xIBTU card.: 1x ATPU Power Supply -48 Vdc, 2xIPTU cards for a total of 4 commands, 1xIBTU card for Analog Interface, 1x MWTU Processing Module. SPARE PARTS ATPU.00 MWTU.02 IPTU Protection Side Interface* 2 IBTU IOTU IEPT (card model 4TL07170003) 2Mbst Interface IDTU card. (Digital line 2Mb-BNC+RJ-45)