ES220 & ES220-L
Ethernet Audio Bridges
5
APPENDIX A:
BOARD LAYOUT
.................................................................................................................. 16
APPENDIX B:
SETTING THE ETHERSOUND CHANNELS MANUALLY
............ 17
APPENDIX C:
AUDIO CONNECTOR
....................................................................................................... 18
Pinout
............................................................................................................................................. 18
APPENDIX D:GPIO CONNECTOR
..................................................................... 19
General Purpose Inputs (GPIs)
.................................................................................... 19
General Purpose Outputs (GPOs)
............................................................................ 19
GPO open collector specifications
...................................................................... 20
Pinout
............................................................................................................................................. 20
APPENDIX E:
SETTING THE INTERNAL JUMPERS.
............................................................. 21
IN/OUT selection (ES220-L only)
.............................................................................. 22
End of bi-directional loop
................................................................................................. 22
Audio extraction (downstream/upstream)
......................................................... 22
Audio insertion
........................................................................................................................ 23
Nominal input level (ES220, ES220-L in mode “IN”/Master)
................ 23
APPENDIX F: CABLES
.................................................................................................... 24
ES220: analog cable delivered by Digigram (optional):
........................ 24
Wiring diagram – analog cable ES220
.............................................................. 24
Wiring - analog cable with 2 inputs / 2 outputs (ES220)
...................... 24
ES220-L: analog cable with 2 outputs (optional):
..................................... 25
Wiring diagram – analog cable with 2 outputs ES220-L
...................... 25
Wiring – analog cable with 2 outputs ES220-L
........................................... 25
ES220: analog cable with 2 inputs (optional):
.............................................. 26
Wiring diagram – analog cable with 2 outputs ES220
........................... 26
Wiring – analog cable with 2 outputs ES220-L
........................................... 26
APPENDIX G:
POWER SUPPLY
...................................................................................................................... 27