Impulse 7402 - Manual (Page 7)

Card Setup
Sealevel Systems ULTRA COMM+422.PCI Page 4
Interface Mode Examples J1B –J4B (continued)
AT RT NE
Figure 4 - Headers J1B – J4B, RS-485 ‘RTS’ Enabled, with ‘No Echo’
AT RT NE
Figure 5 - Headers J1B – J4B, RS-485 ‘RTS’ Enabled, with ‘Echo’
Address and IRQ selection
The ULTRA COMM+422.PCI is automatically assigned I/O addresses and
IRQs by your motherboard BIOS. Only the I/O addresses may be modified by
the user. Adding or removing other hardware may change the assignment of I/O
addresses and IRQs.