MIU4252 Modem Interface Unit Specification

This document specifies the Satchwell MIU4252 Modem Interface Unit, which provides a link between a modem and Satchwell Networking controllers for Wide Area Network (WAN) operation, and can also function as an RS485 repeater or RS232-to-RS485 converter. It details features such as autodial on alarm, password protection, phone number storage, galvanic isolation, and optional Real Time Clock board for logging, along with full commissioning instructions and bit switch settings.