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MultiModemISI Hybrid Series, ISIHI-2S 125
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. 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
108 O CCCCO CC
110 C O CCCO CC
118 OOCCCO CC
120 C C O CCO CC
128 O C O CCO CC
130 C OOCCO CC
138 OOOCCO CC
140 C C C O C O CC
148 O CCO C O CC
150 C O C O C O CC
158 OOC O C O CC
160 C C OOC O CC
168 O C OOC O CC
170 C OOOC O CC
178 OOOOC O CC
180 CCCCOOCC
188 O CCCOOCC
190 C O CCOOCC
198 OOCCOOCC
1A0 C C O C OOCC
1A8 O C O C OOCC