The TR-36B is a rack mount analogue V.34 PSTN and 2- or 4-wire leased line modem. It supports data rates of up to 115.2 kbit/s on the terminal side and modem modulation speeds of up to 33.6 kbit/s on the line side. The modem is designed to harsh industrial standards for applications where a number of modems are required in the same location. The TR-36B features a password protection, dial-back security and caller ID answering making the modem ideal for critical industrial applications. The TR-36B can also be remotely configured making it suitable for use in unmanned installations. The modem is designed for use in the Westermo RV-07B 19” rack, which can hold up to 16 cards as well as two PS-20 power supplies and can also be externally powered by a 24 V supply.