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