Omega OMG-COMM8-PCI, Руководство пользователя, Страница: 6 / 20

Card Setup
OMG-COMM8-PCI Page 2
Card Setup
Clock Modes
The OMG-COMM8-PCI employs a unique clocking option that allows the end
user to select from divide by 4 and divide by 1 clocking modes. This mode is
selected at J1.
To select the Baud rates commonly associated with COM: ports (i.e. 2400, 4800,
9600, 19.2, … 115.2K Bps) place the jumper in the divide by 4 mode (silk-screen
DIV4).
DIV1 DIV4
Figure 1 - Clocking Mode ‘Divide By 4’
To select the maximum data rate (460.8K bps) place the jumper in the divide by 1
(silk-screen DIV1) position.
DIV1 DIV4
Figure 2 - Clocking Mode ‘Divide By 1’