Multitech MultiModem ISI ISI3334/4, Быстрый старт

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ISI3334-4/8 Quick Start Guide
10
Safety Warnings
1. Never install telephone wiring during a lightning storm.
2. Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.
3. This product is to be used with
UL and CUL listed computers.
4. Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the
network interface.
5. Use caution when installing or modifying telephone lines.
6. Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of
electrical shock from lightning.
7. Do not use the telephone to report a gas leak in the vicinity of the leak.
Hardware Installation Summary
This section provides you with procedures for installing the MultiModemISI card(s) in your ISA or EISA bus personal
computer (or compatible with 16 bit ISA slot).
Hardware installation involves:
1) Opening your PC.
2) Setting card configuration (determining I/O address DIP-Switch setting and IRQ jumper setting).
3) Installing the card into the PC.
Determining Current System Settings
When you install a device into your computer, the processor must have a means of routing information to and from
the device and the device must have a means of gaining the processor's attention. These are called Input/Output ( I/
O ) addresses and Interrupt Requests (IRQs ), respectively. The MultiModemISI card requires 16 I/O addresses and
one IRQ value which are not used by any other device in your system. When selecting a unique base I/O address,
be sure that the next address is also unused. You can install up to four MultiModemISI cards into your system.
Each card is shipped with its IRQ set at level 10 and a base I/O address of 210 hex. Check your system’s device
settings to see if these values can be used. If the defaults are already in use, select a unique IRQ and I/O address
and record those values for the hardware and software installation sections that follow. For more information on I/O
addressing, see Appendix E .
Note: If you choose IRQ 3 or 4, you may have to disable a COM device from your BIOS setup. Also, most 386 or
higher compatible computers will not be able to assign IRQ2 to the MultiModemISI card because IRQ2 is used for
slave interrupt control.
Hardware Installation Procedure
Perform the following procedures to install the MultiModemISI card(s) into your PC-ISA bus computer. Installation
procedures include setting the I/O address switch block and the IRQ jumper. If you have selected the default values
of: I/O Address 210 Hex and IRQ 10 , certain steps may be unecessary. However, if you are installing multiple
cards, step 4a of the following procedure describes how to configure your card(s).