DB25 Wiring
27
Apollo 16 mkII Hardware Manual
DB25 Wiring
Apollo 16’s analog I/O is accessed via 25-pin D-sub female connectors. Each DB25 jack
carries eight balanced line-level audio channels on the standardized Tascam pinouts also
used with Digidesign and Avid products.
DB25 Connector Pin Numbers
The pin numbers for female DB25 connectors are shown in the diagram below. When
facing the Apollo 16 rear panel, pin 1 is the upper rightmost pin.
Apollo 16 female DB25 pin numbers
DB25 Connector Wiring
The signals carried on the female DB25 connector pins are listed in the table below. Two
channels are listed for each pin. The first is for the connector carrying channels 1 – 8;
the second is for the connector carrying channels 9 – 16. Pinouts are identical for inputs
and outputs.
APOLLO 16 DB25 CONNECTOR PINOUTS
Pin
Channels
Signal
Pin
Channels
Signal
Pin
Channels
Signal
1
8, 16
Hot
9
3, 11
Cold
17
6, 14
Cold
2
8, 16
Ground
10
2, 10
Hot
18
5, 13
Hot
3
7, 15
Cold
11
2, 10
Ground
19
5, 13
Ground
4
6, 14
Hot
12
1, 9
Cold
20
4, 12
Cold
5
6, 14
Ground
13
–
No Connect
21
3, 11
Hot
6
5, 13
Cold
14
8, 16
Cold
22
3, 11
Ground
7
4, 12
Hot
15
7, 15
Hot
23
2, 10
Cold
8
4, 12
Ground
16
7, 15
Ground
24
1, 9
Hot
25
1, 9
Ground
13
1
14
25