DIP Switch Settings Configuration
AC-215 Installation Manual 17
4. DIP Switch Settings Configuration
The ACU DIP switch controls a number of operating parameters including the
device address and baud rates for serial communication.
Power down the ACU before making changes in the dipswitch settings. Restart
the ACU after modifications are made. The new settings are automatically
defined after power up.
The following is a list of DIP switch numbers and their functions:
Table 2: DIP Switches and their Functions
DIP Switch Function
1–2
Set ACU baud rate
3
Sets ACU type (single door or double door controller)
4–8
Set ACU address
4.1 ACU Baud Rate
The ACU serial port baud rate, set in DIP switches one and two, defines the
communication speed for connecting with a PC in a network connection.
The following lists switch 1 and 2 status and baud rate:
Table 3: Switch Baud Rates
Switch 1 Switch 2 Baud Rate
Off Off 9600
Off On 19200
On Off 38400
On On 57600
The ACU baud rate must be identical to the host PC’s serial port baud rate.