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2.7. BC2203ML. Analog MIC/LIN input module. General description. The BC2203ML board is capable of managing four TDM IN bus time-slots to insert four analog mono signals into the system with mic or line level, and can furnish 48 volts of PHANTOM power to the microphones that require it. This board is inserted into the rear part of the BC2000DF rack. Panel description. 'HW ERROR' LED: indication of board start error. This red LED will turn on when the system starts, and should remain off during normal operation. '1' RJ45 type connector: Analog monophonic input 1 with mic or line level, balanced by transformer. '2' RJ45 type connector: Analog monophonic input 2 with mic or line level, balanced by transformer. '3' RJ45 type connector: Analog monophonic input 3 with mic or line level, balanced by transformer. '4' RJ45 type connector: Analog monophonic input 4 with mic or line level, balanced by transformer. BC 2000 DIGITAL Audio Routing, Mixing and Processing System for Program Production Centers DESCRIPTION OF THE EQUIPMENT AND ITS PARTS 21