Antex Electronics StudioCard AV Pro, StudioCard 2000, & SC-22 - Manual (Page 142)

A p p e n d i x B
Antex Electronics Corporation Antex StudioCard B-3
Note
Balanced
Analog I/O
Port Pinouts
The pinout for the balanced I/O port is shown in the table
below. Each input and output has a hot (+) and a cold (-)
signal. Multiple ground pins are provided to simplify cabling. All
ground pins are wired to the computer’s chassis ground.
Pin Description Pin Description
1 Channel 1 input (+) 14 Ground
2 Channel 1 input (-) 15 Channel 1 output (+)
3 Ground 16 Channel 1 output (-)
4 Channel 2 input (+) 17 Ground
5 Channel 2 input (-) 18 Channel 2 output (+)
6 Ground 19 Channel 2 output (-)
7 Channel input 3 (+) 20 Ground
8 Channel input 3 (-) 21 Channel output 3 (+)
9 Ground 22 Channel output 3 (-)
10 Channel 4 input (+) 23 Ground
11 Channel 4 input (-) 24 Channel 4 output (+)
12 Ground 25 Channel 4 output (-)
13 No Connect
Unbalanced connections are made to the balanced I/O port
by grounding of the (-) signal and using the (+) signal. If the
(-) signal is not grounded, the signal level of the (+) side will
be inaccurate.