Andrew Wireless Innovations Group MRB-LMR User Manual

Alarm outputs: The alarm inputs and outputs are available from terminal
block J1 on the logic controller board. A multiple-conductor cable must be
passed through the I

2

C gland. The alarm function is defined through software

in the initialization process. Pin out is as follows:

1

Alarm 1 output

2

Alarm 1 return

3

Alarm 2 output

4

Alarm 2 return

5

External digital alarm input
0-5 V TTL level input

6

Ground reference

7

External analog alarm input
0-28.6 V analog alarm input

Table 3-3. Alarm pin out

WARNING!  

Inspect the unit after cabling to ensure that unused

connector holes have plates and gaskets applied, and that unused
glands have stops inserted. All connections should be completed
and weatherproofing ensured before AC mains or DC power is
applied.