Communications
Prerequisites
Before performing permanent modem installations, the
modem that will be connected to the panel must be initialized
from the computer running the VeriTrax software.
AC-225 Hardware Installation and User Guide
Page 39
Computer Connections
The MD-N33 must connect to the computer via a serial port.
To connect to the PC:
1. Connect a 9VDC 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 cross serial cable.
3. Connect the MD-N33's RJ11 jack to the telephone line
using the telephone cable.
AC-225 Panel Connections
1. Connect a 9VDC 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-225 RS-485 outlet to the MD-14 4 wires
cable. Make sure the J1 switch (on the AC-225) is set to RS-
485 Mode.
Note:
The telephone numbers shown in the examples below are
for illustration purposes only.
Note:
Up to 32 panels can be connected on this RS-485
network.
Summary of Contents for AC-225 PCBA
Page 2: ......
Page 5: ...Introduction Figure 1 AC 225 panel AC 225 Hardware Installation and User Guide Page 4 ...
Page 44: ......
