Four Wire Modem for SEL Mirrored-Bits

MBT 9600 - Ametek Power Instruments (Rochester)

Application specific features set the MBT9600 Four Modem apart from the conventional high speed modems. Its compact size and ease of installation make the MBT9600 an ideal, low cost alternative to conventional audio tone teleprotection systems.
The circuitry is ideally suited for use over private networks such as conventional voice channels over analog microwave.