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Impulse 7204 User Manual

Page 7

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Card

Setup

Sealevel Systems ULTRA 485+2.PCI Page

4

Interface Mode Examples J1B and J2B (continued)

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Figure 4 - Headers J1B and J2B, RS-485 ‘RTS’ Enabled, with ‘No Echo’

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Figure 5 - Headers J1B and J2B, RS-485 ‘RTS’ Enabled, with ‘Echo’

Address and IRQ selection

The ULTRA 485+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.