Omega Vehicle Security OMG-ULTRACOMM2-PCI RS-232 - Manual (Page 8)

Card Setup
Omega Engineering OMG-ULTRA COMM+2.PCI Page 4
Interface Mode Examples J1B and J2B (continued)
AT RT NE
Figure 4 - Headers J1B and J2B, RS-485 ‘RTS’ Enabled, with ‘No Echo’
AT RT NE
Figure 5 - Headers J1B and J2B, RS-485 ‘RTS’ Enabled, with ‘Echo’
Address and IRQ selection
The OMG-ULTRA COMM+2.PCI is automatically assigned I/O addresses and
IRQs by your motherboard BIOS. Only the I/O address may be modified by the
user.
Adding or removing other hardware may change the assignment of I/O
addresses and IRQs.