Advantech PCL-858 User Manual page 17

The PCL-858 employs a unique speed option that allows the user to
choose either normal speed mode (1x) or high speed mode (8x). This
high speed mode is selected at SW2.
To select the baud rate commonly associated with COM ports , such
as 2400, 4800, 9600. . .115.2 Kbps, place the switch as follows.
To increase normal mode rates up to eight times, (e.g. if 115.2 Kbps is
selected, the rate can be increased up to 921.6 Kbps), place the switch
as follows.
1 8 PCL-858 User's Manual