5.2.4
Jumper Switch
The two COM ports of AMAX-5490 can be configured to RS232/422/485 modes by
setting the jumpers and switches as below methods:
Figure 5.6 AMAX-5490 Jumper Switch
Jumper Switch Settings
SW3 (for COM1) and SW4 (for COM2) are designed for RS232/485/422 interface
selection.
Figure 5.7 AMAX-5490 SW3/SW4
SW5 is designed for the terminal resistance settings.
Figure 5.8 AMAX-5490 SW5
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AMAX-5580 User Manual