Owner`s manual

MultiModemISI Hybrid Series, ISIHI-2S/2U 7
Hardware Installation
Hardware Installation Procedure
Installation procedures include setting the I/O address DIP switches and the
IRQ jumper. You can skip this section if you select the default values.
Default values are I/O Address: 210 Hex and IRQ: 10.
Recommended Base I/O Address and IRQ Values
ISIHI-2S/2U Base I/O Address IRQ
Initial 8 port board 210h 10
First 8 port upgrade 220h 11
Second 8 port upgrade 230h 12
Third 8 port upgrade 240h 15
1. Before handling the ISIHI-2S/2U, discharge any static in your body by
touching a piece of grounded metal such as the computer chassis.
2. Carefully remove the ISIHI-2S/2U from its antistatic bag, handling it
only by the mounting bracket and edges. Do not touch the gold-plated
connectors along the bottom edge. (You may want to save packaging
for possible future use.)
3. Visually inspect the ISIHI-2S/2U. If you have any concerns about its
condition, call Technical Support at [phone].
Line 1 Jack
Line 2 Jack
I/O Address
DIP Switch
IRQ Jumper Block
4. Make sure your computer and any peripheral equipment connected to it
are turned off. Failure to do so can damage both the ISIHI-2S/2U and
your PC. The ISIHI-2S/2U can be installed in a PC-AT, 386, 486, or
Pentium equivalent ISA bus computer.
5. Remove the cover of your computer as instructed in your computers
documentation.