Omega Engineering ISA RS-422 User Manual page 4

Dual port isolated/non-isolated isa rs-422/485 adaptor board
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Figure 1 - Address Selection Table ....................................................................2
Figure 2 - Header E11 and E12, IRQ Selection ................................................3
Figure 3 - Header E5 & E6, Normal IRQ Mode ................................................4
Figure 4 - Header E5 & E6, Shared IRQ Mode .................................................4
Figure 6 - RS-422 ..................................................................................................7
Figure 7 - RS-485 'Auto' Enabled, with 'No Echo'...........................................7
Figure 8 - RS-485 'Auto' Enabled, with 'Echo'.................................................7
Figure 9 - RS-485 'RTS' Enabled, with 'No Echo' ...........................................7
Figure 10 - Headers E1 and E4, Line Termination ..........................................8
Figure 11 - OMG-ULTRA-SIO cabling example............................................16
? ................................................................... 16
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Figures
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