ADAM-5000 Series User Manual 70
I/O Slots and I/O Ports Numbering
The ADAM-5090 module provides four RS-232 ports for communication with target
devices. The ports are numbered 1 through 4. For programming, the definition of port
number depends on the slot number and port number. For example, the second port
on the ADAM-5090 in slot 1 is defined to port 12.
Jumper Settings
This section tells you how to set the jumpers to configure your ADAM-5090 module.
There are four jumpers on the PC Board. User can choose RI signal or 5V output for
each port by setting these jumpers (system default is RI signal).
The following figure shows the location of the jumpers:
Figure 7.3 Jumper Locations on the CPU Card
Figure 7.4 Jumper Settings
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