2018 Mailbox Master Controller can be connected to 2019 Mailbox Expansion Controller through an RS485 connection, providing a maximum of 31 sets in a daisy chain connection.
2019 Mailbox Expansion Controller
- Advanced and multi-purpose device with ACX Mailbox Monitoring System
- Designed in IP based, high speed data communication
- One available IP address can handle 508 sets of mailboxes
- Real-time messages for letter arrivals
- Mailbox's door status and mailbox's E-Lock status through SMS / POP Message / Email
- RS485 connection
- Maximum 31 sets in daisy chain connection