User guide

88 • Appendix A - Interface Schematics DigiCart/II Plus Owner's Manual
APPENDIX A
Interface Schematics
This section contains schematics, wiring diagrams and pinouts for audio, data and remote
control connections.
Audio Connector Wiring
CONNECTOR:
INPUT: XLR-3 TYPE FEMALE
OUTPUT: XLR-3 TYPE MALE
XLR BALANCED UNBALANCED
PIN–1 GROUND (SHIELD) GROUND.
PIN–2 AUDIO " + " AUDIO " + " OR "HOT"
PIN–3 AUDIO " – " AUDIO " – " (SHIELD)
(JUMPER TO PIN–1 FOR GROUND REFERENCE)
SHELL GROUND
(NORMALLY NOT CONNECTED)
GROUND
NOTE: If AC hum problems are encountered, disconnect the cable shields from pin–1
(cut the jumper in unbalanced systems). Shield grounding will then be provided from the
other end only, and the path for a probable "ground loop" is broken.
CAUTION
DO NOT USE "AC GROUND LIFTERS"
TO SOLVE HUM PROBLEMS.
A SERIOUS SHOCK HAZARD MAY RESULT.
Keyboard Connector
PIN SIGNAL
1 DATA
2 N/C
3 GROUND
4 +5 V
5 CLOCK
6 N/C
Remote Control And Cue Out Connector
NOTE: If your DigiCart/II Plus is replacing a DigiCart/I or DigiCart/II without digital
outputs in an installation that interfaces to the remote control connector, the pinouts on
the DigiCart/II Plus will differ from those on the earlier machines. Please contact 360
Systems for documentation on the older machines.