
Factory Default Settings 17
Xtreme/104 Opto User's Manual, ver. 0.00
Factory Default Settings
Function Factory Setting
I/O Port Address
JB3 is set for I/O port addresses 300, 308, 310, 318
hex and the status port disabled (positions A, B, C,
not jumpered)
Status Port Address
JB3 is set for the status port disabled (position F not
jumpered)
Baud Rate
JB3 is set for the maximum baud rate of 115.2 KBPS
(position G not jumpered)
IRQs
1. JB3 set for all ports interrupting on a single
interrupt (positions D & E not jumpered)
2. JB1 and JB2 jumper blocks set for no interrupts
(all positions not jumpered)
Electrical Interface
JB4, JB5, JB6 and JB7 set for all ports RS-485/422
(position B not jumpered)
RS-485 Mode
JB4, JB5, JB6 and JB7 set for all ports running in
full duplex mode (positions A and C not jumpered)
Termination
JB4, JB5, JB6 and JB7 set for all ports being not
terminated. (positions D, E, F and G not jumpered)
Note: Please see Figure 1 for the locations of these jumper blocks.
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