Advantech 4-Port RS-232 Interface card PCL-849 - Manual (Page 14)

Chapter 2 Hardware Installation 15
Standard Mode
In this mode, each of the four ports is assigned an address, as shown
below.
Port 1 Ch1 base address 3F8
Port 2 Ch2 base address 2F8
Port 3 Ch3 base address 3E8
Port 4 Ch4 base address 2E8
Enhanced Mode
In this mode, the address for each of the four ports is assigned
according to the card base address, which is set using switch S2.
Select an address which is not already in use by another card in the
system. If you are installing more than one PCL-849 card in your
system, set the cards to different base addresses. DIP switches control
each card's base address, as shown below.
Port base address (S2)
Base Address A
3
A
4
A
5
A
6
A
7
A
8
200-21F l l l l l l
208-227 ¡ l l l l l
· · · · · · · · · ·
2E8-307 ¡ l ¡ ¡ ¡ l
· · · · · · · · · ·
*300-31F l l l l l ¡
· · · · · · · · · ·
3E0-3FF l l ¡ ¡ ¡ ¡
l: on ¡ : off *= default