2.1.3 I-7520 is designed Termination resistor (120 Ohm) on board.
Add / Remove resistor Jumper:
For Add resistor: Set JP2 jumper to positions 2 and 3.
3 |
2 |
1 |
JP2 |
Default sitting
120 Ohm on board
For Remove resistor: Set JP2 jumper to positions 1 and 2.
3 |
2 |
1 |
JP2 |
Remove resistor
7000 Bus Converter User Manual (version 1.2,Feb/2003, | 14 |