Omega Vehicle Security ISA RS-422 - Manual (Page 4)

W HAT IS G ROUND L OOP ? ................................................................... 16
C ABLING R ECOMMENDATIONS .......................................................... 16
A PPENDIX E - A SYNCHRONOUS C OMMUNICATIONS ................17
A PPENDIX F - S ILK -S CREEN .....................................................18
A PPENDIX G - C OMPLIANCE N OTICES ....................................19
F EDERAL C OMMUNICATIONS C OMMISSION S TATEMENT ............ 19
EMC D IRECTIVE S TATEMENT ........................................................... 19
Figures
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 5 - Header E5 & E6, Sharing IRQs with another adapter..................5
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
Figure 12 - Asynchronous Communications Bit Diagram ..........................17