Acnodes FPC 7161 - Manual (Page 24)

Step 5 Install the antenna on the antenna connector.
FPC 7 161 equ ips with a phoen ix type powe r co nnector. It adopts 10VDC to 30VDC.
Please follow the signs o n power co nnector to co nnect DC p ower source.
+: Power p ositive G: Safty g rou nd
Ё:Power neg ative