Pub. 42004-404F
M
ODEL
10959-207
AND
-208
R
ACK
-M
OUNT
A
UDIO
M
ESSENGER
I
NTERFACES
P
AGE
6 of 20
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Field Wiring
Figure 3. Back of rack with connections labeled
Digital Outputs
The terminal block labeled
DIGITAL
OUTPUTS
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.