Installation guide

AC-215 Single and Double Door Access Control Unit
Hardware Installation Guide
17
Modem
The PC modem connection, used to control the ACU, is assigned in the Veritrax AS-215
software’s Network Properties dialog box.
The modem is used when the distance between the ACU and the PC is greater than the
recommended serial connection distance or in an application where an alternative
RS232/RS485 network is unavailable.
The following diagram illustrates remote site modem configuration with AC215.
! For more information refer to Appendix B
MD-N33
Modem /RS232
Converter
RS232
Telephone
line
Telephone
line
RS485
MD-14
RS232/RS485
Converter
RS232
MD-N33
Modem /RS232
Converter
RS 485
Up to 32
Panels
AC215 #1 AC215 #2