Multi-Tech ISIHI-2S Specifikace stáhnout pdf (Strana 17)

MultiModem ISI Hybrid Series, ISIHI-2S/2U 17

Chapter 2—Hardware Installation

Before You Start

Warning: Direct interconnection (or connection by way of other apparatus) of ports

marked SAFETY WARNING see instructions for use with any other ports (whether

similarly marked or not) may produce hazardous conditions on the network. Multi-Tech

strongly urges you to consult a qualified engineer before attempting to make this type of

connection.

 All installation must be done by a qualified service person.

 To reduce emissions, use blanking plates to cover empty slots in the your PC.

 Cable, wiring, and any other apparatus connected between the modem and the point of

connection to any speech band circuit shall comply with the following:

1. The overall characteristics of the apparatus shall be such as to introduce no material

effect upon the electrical conditions presented to one another by the modem and the

speech band circuit.

2. The apparatus shall be comprised of only

a. apparatus approved for the purpose of connection between the modem and a

speech band circuit; and

b. cable and wiring complying with a code of practice for the installation of

equipment covered by this part of BS 6328 or such other requirements as may be

applicable.

Note: Such apparatus may have been approved subject to limitations in its use.

Note: If S/T-interface ISDN network connection cable is used, the ISDN phone cord

should be connected between the ISDN network connection cable and NT1 device.

Determine 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. Input/Output (I/O) addresses route information to and from the

device. Interrupt Requests (IRQs) gain the processors attention. The ISIHI-2S/2U card

requires eight I/O addresses and one IRQ value that are not used by any other device in

your system. When selecting a unique base I/O address, be sure the next address also is

unused. To determine your systems current setting, refer to Appendix A and B.

If you are certain these settings are not already in use, continue with the installation. Each

card ships with the IRQ set at 10 and the base I/O address set at 210 hex. Check your

systems 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 them below for future reference.

I/O address _____________ IRQ ___________________

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 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 187 188

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