Sierra Video Yosemite - Manual (Page 55)

INSTALLATION
49
505150 DIP Switch S3 & S4 Settings (Versions 8.05 or Older)
Dip
Switch Action
S3 (third from edge) S4 (closest to LEDs)
1 Switches 2 & 1 currently unused. Switches 1-8 on S4 currently unused:
2
3
505150 board crystal frequency:
OFF = 16.000 MHz
ON = 16.500 MHz*
4 Port 1 initial protocol:
OFF = Terminal*
ON = Host
5 Port 2 initial protocol:
OFF = Terminal
ON = Host*
6 Port 1 type:
OFF = RS-232*
ON = RS-422
7 Port 1 speed:
OFF = 9.6K baud*
ON = 19.2K baud
8 Panel RS-485 port speed:
OFF = 9.6K baud
ON = 31.25K baud*
* = Factory default setting