Rosslare AC-215IP - Modem Network Connection; Hardware Requirements; Prerequisites; Computer Connections

Communications
AC-215IP Hardware Installation Manual 33
6.3 Modem Network Connection
Access control panels can be controlled from the computer's modem. The
modem is assigned from within the AxTraxNG™ software.
Use a modem when the access control panel is too far from the computer to
use a serial connection and an alternative RS-232/RS-485 network or TCP/IP
network is unavailable.
The following diagram illustrates remote site modem configuration with AC-
215IP.
Figure 21: Remote Site Modem Configuration
For more information on modem connections, refer to the MD-N33 User
Manual and the AxTraxNG™ software manual.
6.3.1 Hardware Requirements
 2 Standard Telephone cables – RJ11 plugs in both sides
 Crossed 9-pin RS-232 cable (female jack on both sides)
 Rosslare MD-14 (RS-232 to RS-485 converter)
 2 Rosslare MD-N33 (Modem to serial gateway)
 Rosslare AC-215IP 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.
To connect to the PC:
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.