Advantech RS-485 user manual TTL/Isolated Input Level, Jumper Location on the ADAM-5080 Module

I/O Modules

TTL/Isolated Input Level

According to your need, you can select either TTL or Isolated Input Level by setting the configuration for the jumpers. Select the proper jumper settings for either TTL or Isolated Input according to Figure Figure 10. Please note that you must configure all six jumpers to the correct configuration for proper function.

Figure 4-51: Jumper Location on the ADAM-5080 Module

TTL Input Level Isolated Input Level

Figure 4-52: TTL/Isolated Input Level Selectting

4-50 ADAM-5000