BC 2000
DIGITAL
Audio Routing, Mixing and Processing System for Program Production Centers
HARDWARE MANUAL
20
3.6. BC2203ML. Analog MIC/LIN inputs 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' red LED*: this LED will turn on when the
system starts and, depending on its status, it will indicate
during normal operation:
-
Configured and active board: fast blinking.
-
Not configured board: slow blinking.
-
Board start error: LED on and fixed.
-
Board configured in backup mode: LED off.
'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.
*
This operation way of 'HW ERROR' LED is valid for 2.23 microcontroller
module firmware version (and later versions).