QUCM Modbus ASCII Modem Application Manual 2 Installation 92InstallationQUCM Installation1 Mount the QUCM in an available slot in the register rack. Secure the screw at thebottom of the module.Software InstallationThe application files and this user manual aree included in theQUCM_MODEM_SETUP.EXE file. The latest version of the file is located athttp://www.niobrara.com/Serial Connections to the QUCM-OEPort 1 (and Port 2) to 25-pin DCE ModemThe serial ports of the QUCM-OE must be switched to RS-232. The Niobrara cableMM12 is used to connect to a standard 25-pin Modem.NOTE: Do not use the MM4 cable for this application.RJ45 DE25P (male)3 24 35 76 207 845