Communications
AC-225x Series Hardware Installation Manual 37
Rosslare AC-225x panel
6.3.2 Prerequisites
Before performing permanent modem installations, the modem that will be
connected to the panel must be initialized from the computer running the
AxTraxNG software.
6.3.3 Computer Connections
The MD-N33 must connect to the computer via a serial port.
1. Connect a 9 VDC adapter to the first MD-N33. Make sure that the power
LED (red) is on.
2. Connect the PC, using an available COM port, to the MD-N33 with the
crossed 9-pin RS-232 cable.
3. Connect the MD-N33's RJ11 jack to the telephone line using the
telephone cable.
6.3.4 AC-225x Panel Connections
1. Connect a 9 VDC adapter to the second MD-N33. Make sure that the
power LED (Red) is on.
2. Connect the MD-N33's RJ11 jack to the telephone wall mount using the
telephone cable.
3. Connect the MD-N33 DB9 female jack to the MD-14 DB9 female jack.
4. Connect the AC-225x RS-485 outlet to the MD-14 4 wires cable. Make
sure the J1 switch (on the AC-225x) is set to RS-485 Mode.