41
Figure 3.3 – DB25 Pinout
Pin
Signal
I/O
Description
1
○
L
I
Open:
AMODE, output
button is
disabled
BMODE, output is OFF
Short to Enable:
AMODE, output
button is enable
BMODE, output is ON
2
Ground
3
Ground
8
Local/Analog
○
L
I
Open: front panel control
Short to ground: rear analog control