GAI-Tronics 10959-201 and 10959-203 Wall-mount Audio Messenger Interface - Manual (Page 8)

Pub. 42004-403F
M ODEL 10959-201 AND -203 W ALL -M OUNT A UDIO M ESSENGER I NTERFACES P AGE 6 of 20
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Wiring
Figure 2. Wiring Connections (Model 10959-203 shown)
Digital Outputs
Terminal block TB1, labeled
DIGITAL OUTPUTS
is located on the termination PCBA. It provides eight
digital common ground outputs. The outputs are open collector active low. The controlled circuit must
use the same voltage used to power the AMI. The ground or dc common terminals for the controlled
circuits must be tied to GND on the terminal block. Each output can supply 100 mA maximum current.