BC 2000
DIGITAL
Audio Routing, Mixing and Processing System for Program Production Centers
HARDWARE MANUAL
55
3.22. BC2217. CU (Commentary Unit) linking module.
General description.
The BC2217 board allows you to interconnect 1 or 2 CUs (Commentary Units) and the rest of
Digital Commentary System. That link allows you to control and provide remote power to the
CU, as well as transmit and receive the audio circuits associated with the unit.
This board is inserted into the rear part of the BC2000DF rack.
Panel description.
'HW ERROR' red LED: indication of board start error. This
red LED will turn on when the system starts, it will blink as
long as the board is not configured and it should remain off
during normal operation.
RJ45 type connector: allows you to establish a bi-directional
audio and data link (12.28Mb/s) with CU 1, as well as provide
remote power to the CU. Propietary pinout.
RJ45 type connector: allows you to establish a bi-directional
audio and data link (12.28Mb/s) with CU 2, as well as provide
remote power to the CU. Propietary pinout.
'LINK1 OK' green LED: indicates that link with CU 1 is
correctly received.
'LINK2 OK' green LED: indicates that link with CU 2 is
correctly received.
*
When an error is detected in any link, the corresponding LED will turn off
for a second at least, in order to detect the failure easily.
