Omega Vehicle Security OMG-ULTRACOMM2-PCI RS-232 - Manual (Page 7)

Card Setup
Omega Engineering OMG-ULTRA COMM+2.PCI Page 3
Interface Mode Examples J1D – J4D
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Figure 1- Headers J1B and J2B, RS-422
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Figure 2 - Headers J1B and J2B, RS-485 ‘Auto’ Enabled, with ‘No Echo’
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Figure 3 - Headers J1B and J2B, RS-485 ‘Auto’ Enabled, with ‘Echo’