Umtech VIDEOBRAIN Expander 2 Скачать руководство пользователя страница 4

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Expander 2 Introduction

Expander 2 data modems are designed fo r acoustic
operation via the switched telephone network o r private

line installation. Acoustically coupled with most
telephone sets, the Expander 2 offers a reliable and
convenient method of data transm ission.

Expander 2 is an originate-only modem for up to

300 baud operation.

daa

N .

answer

COMPUTER

. / I

EXPANDER 2

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h v .

VIDEOBRAIN

FIG. 1

Содержание VIDEOBRAIN Expander 2

Страница 1: ...V id e o B ra in Home Computer Accessory Owner s Handbook Accessory Expander 2 For best results read this bro chu re before using cartridge...

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Страница 3: ...y Acoustic coupler VideoBrain Computer Company 2950 Patrick Henry Drive Santa Clara California 95050 All rights reserved including the right of reproduction in whole or in part in any form P N 40 0033...

Страница 4: ...telephone network or private line installation Acoustically coupled with most telephone sets the Expander 2 offers a reliable and convenient method of data transmission Expander 2 is an originate only...

Страница 5: ...system or the terminal does not provide a local copy back If so leave switch in full duplex 2 PWR this indicator shows that AC power is applied to Expander 2 3 CTS this indicator shows that a valid ca...

Страница 6: ...he 25 pin EIA connector in the back of Expander 1 as shown below Pin connections and levels conform to the EIA RS232 C specifications See the interface chart for Expander 2 Plug the other end of the E...

Страница 7: ...er 2 in a typical timesharing environment Insert Timeshare CM01 cartridge in the VideoBrain Placing a call 1 Turn the AC power switch on Check that the PWR indicator illuminates 2 Choose the proper se...

Страница 8: ...d putting it back in the cradle on the telephone thereby disconnecting the line Specifications Data Rate 300 baud Modulation Phase coherent FSK Operation Asynchronous serial by bit Telephone Interface...

Страница 9: ...ms Clear to send on 700 ms 300 ms off 2 ms Power Requirements 115 VAC 10 60 Hz 5 W Environmental Operating temperature 0 C to 60 C Storage temperature 20 C to 70 C Relative humidity 8 to 95 relative D...

Страница 10: ...Protective Ground 1 BA Transmit Data 2 BB Receive Data 3 CB Clear to Send 5 CC Data Set Ready 6 AB Signal Ground 7 CF Received Line Detector 8 P Positive Voltage 9 test only P Negative Voltage 10 test...

Страница 11: ...witch on CTS indicator Check for tone from handset does not illuminate Is handset properly inserted in cups Check with the computer facility to be sure the system is set up for WE 103 113 line protoco...

Страница 12: ...al Language VB 81 Financier VB 1000 Money Minder VB 1200 Information Manager Communications CM01 Timeshare Education ED01 Music Teacher 1 ED02 Math Tutor 1 ED03 Wordwise 1 ED04 Wordwise 2 ED05 VideoAr...

Страница 13: ...of purchase to the VideoBrain Service Center with address shown below Under no circumstances will VideoBrain Computer Company be liable for any special incidental or consequential damages resulting fr...

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