Sp. 1-4 Power Out
1.
Speaker 1 -
2.
Speaker 2 -
3.
Speaker 3 -
4.
Speaker 4 -
5.
6.
Speaker 1 +
7.
Speaker 2 +
8.
Speaker 3 +
Sub-D 9 pole
9.
Speaker 4 +
USB
1.
+5 VDC
2.
Data -
3.
Data +
4.
Ground
DIN 9 pole
-
Keyb.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Housing. Ground
Insitu L & R
1.
Ground
2.
Speaker signal
3.
Ground
4.
5.
DC bias – Probe mic.
6.
Signal & DC bias – Ref. mic.
7.
Ground
8.
Signal - Probe mic.
DIN 7 pole
Housing. Ground
USB/PC
1.
+5 VDC
2.
Data -
3.
Data +
4.
Ground
Keyboard Power +5 VDC (limited)
Keyboard attached / Chip select.
Master Transmit Slave Receive
Key Interrupt
Master Receive Slave Transmit
Serial Clock
TF–signal (Talk Forward mic.)
Ground
Ground
-