Specifications

MultiModem ISI Hybrid Series, ISIHI-2S/2U 127
Appendix
Appendix B: Base I/O Switch Settings
The table below provides the DIP switch settings for valid base I/O addresses of the
ISIHI-2S/2U. The switches can be set to OPEN (O in the table below) or to CLOSED (C
in the table below). Holding the board with the switch facing you (reading numbers 1-8
left to right), the UP position for the switch is OPEN, and the DOWN position is
CLOSED. S1 below is labeled as 1 on the left side of the switch and so on, through S8.
For an example, turn to the next page and compare the default switch settings with the
address 200h listing.
Address Switch Settings
I/O Addr. DIP Switch Settings
(hex) S1 S2 S3 S4 S5 S6 S7 S8
100 CCCCCO CC
110 C O CCCO CC
120 C C O CCO CC
130 C OOCCO CC
140 C C C O C O CC
150 C O C O C O CC
160 C C OOC O CC
170 C OOOC O CC
180 CCCCOOCC
190 C O CCOOCC
1A0 C C O C OOCC
1B0 C OOC OOCC
1C0 C C C OOOCC
1D0 C O C OOOCC
1E0 C C OOOOCC
1F0 C OOOOOCC
200 CCCCCCO C
210* C O CCCCO C
21435768
OPEN
220 C C O CCCO C
230 C OOCCCO C
240 C C C O CCO C
* Denotes default setting