Digital audio system motherboard connections – Gilderfluke&Co old MACs 8 bit Digital Audio System User Manual
Page 82
- DIGITAL AUDIO SYSTEM MOTHERBOARD CONNECTIONS -
- 'Digital Data' -
- 26 pin IDS connector -
- used to connect digital signals between cages -
PIN #
SIGNAL FUNCTION
CONNECTS TO J1 PIN #
1
- REPEATER CLOCK
1A
2
N/C
1B
3
+ REPEATER CLOCK
1C
4
- REPEATER Tx DATA
2A
5
N/C
2B
6
+ REPEATER Tx DATA
2C
7
- REPEATER Rx DATA
3A
8
N/C
3B
9
+ REPEATER Rx DATA
3C
10
N/C
4A
11
N/C
4B
12
N/C
4C
13
N/C
5A
14
N/C
5B
15
N/C
5C
16
N/C
6A
17
N/C
6B
18
N/C
6C
19
N/C
7A
20
N/C
7B
21
N/C
7C
22
N/C
8B
23
N/C
9B
24
N/C
N/C
25
GROUND
15A, 15B, 15C
26
N/C
N/C
- 'Pwr.' -
- 7 position screw terminal -
- used to attach power to card cages -
PIN #
SIGNAL FUNCTION
CONNECTS TO J1 PIN #
7 (TOP)
ISO +15
10A, 10B, 10C
6
ISO GROUND
11A, 11B, 11C
5
not used
12A, 12B, 12C
4
LOGIC +5
13A, 13B, 13C
3
ANALOG +15
14A, 14B, 14C
2
GROUND
15A, 15B, 15C
1 (BOTTOM)
ANALOG -15
16A, 16B, 16C
G
ILDERFLUKE
& C
o
. ¥ 205 S
OUTH
F
LOWER
S
T
. ¥ B
URBANK
, C
ALIF
. 91502-2102 ¥ 818/840-9484 ¥
FAX
818/840-9485
72