User's Manual

1.3 CRFII – Permit Issuer /Sentry
1.3.1 Permit Issuer
The Permit Issuer (PI) is a network device used in Carttronics Push-Out Prevention
System (POPS™) that authorizes casters and beacons to exit the store within a
programmable time limit.
Fig.3 Permit Issuer Diagram
1.3.2 Sentry
Sentry is used to drive two small 8Khz loops
Fig.4 Sentry Connection Diagram