Hosiden Besson TEST TELEPHONE 290 Manual Download Page 14

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SPECIFICATIONS

The Test Telephone 290 has been designed to meet 886301, 886305,

886317, 882011 and comply with British Telecom specification 81600.
Loop Disconnect Signalling

Monitor Impedance

>20K ohms

10pps ±1pps

Microphone Type

electret

break 67ms +5, -4%
break/make ratio 2:1
lnterdigit pause 800ms
Pre-digit pause 800ms

DTMF Signalling

Frequency error ± 1 % max

level (both tones) -13 to -9dBm

Pre-emphasis on high tone +2dBM ±1dB

Receiver Type

Weight

rocking armature

420 grammes

Summary of Contents for TEST TELEPHONE 290

Page 1: ...TEST TELEPHONE 290 0 Hosiden Besson Ltd...

Page 2: ...It has been designed for rugged environmental use and the cordage can be removed for replacement when necessary without opening the Test Telephone It can signal in LO and DTMF modes can present a high...

Page 3: ...nitor Line Disconnect Line polarity indication Audible ringing indication Microphone mute Earth Recall and Timed Break Recall Resistance to raw 50 volt supply application Ergonomic design Rugged const...

Page 4: ...terfering with information present on the line T ransmit mode TIC is the same as off hook on a conventional telephone This switch allows selection of dialling mode Pressing the polarity button POL whe...

Page 5: ...es the 290 from the A B incoming pair The last number to be dialled will be retained in memory This can be redialled by switching toT ransmit and then pressing M twice The memory is supported by a non...

Page 6: ...e g 2 3 Enter the number required e g 3 5 7 9 the number will not be sent to line 4 Either press P again or switch to monitor MON To dial the number in a store 1 Connect the 290 to the line and switc...

Page 7: ...oth available Earth recall uses a metallic contact Operating the MUTE button will mute the microphone When the 290 is in monitor an incoming call will be audibly indicated If required pressing the POL...

Page 8: ...es using the normal requisition procedure Queries regarding the Cord products should be directed to Keith Miller at Group Procurement Services Swindon Telephone 0793 547273 Cord Instrument Cord No ofw...

Page 9: ...Comprises l C nurrtler 1 5m cordwilhplug432Aon oneendandaplug FCC68ontheother 512394...

Page 10: ...Maintenance Officers Handsets Will plug into Connector2070 6 10C 6 282A 284 284Aand290 For usewith Strowger equipment Maintenance Officers Handsets Will pluginto Uniselectors Selectors and II Relay S...

Page 11: ...ge Instrument 6 CAwith aJack suitable for theinsertion of Plug 631A 512370 on one end and a Plug 230on theother 200mm of Cordage Instrument 6 CAwith aJack su able for the insertion of a 512371 Plug 63...

Page 12: ...kTest44 Maintenance Offirers Handsets T he Plug510is afour pole device In this applicationoutside and inside contacts are shorted ieconnected for two wire working 6 10J 6 282A 284 284Aand 290 For use...

Page 13: ...Instrument 6 CAwith aJack suitable for the insertion of Plug 631A 512382 on one end and a Molex Connector on the other 200mm of Cordage Instrument 6 CAwith aJack suitable for the insertion ofPlug 631A...

Page 14: ...ation 81600 Loop Disconnect Signalling Monitor Impedance 20K ohms 10pps 1pps MicrophoneType electret break 67ms 5 4 break make ratio 2 1 lnterdigit pause 800ms Pre digit pause 800ms DTMF Signalling Fr...

Page 15: ...not been subjected to misuse or been wilfully or accidentally damaged The goods have not been tampered with or repaired by anyone other than Hosiden Besson Ltd its staffor agents If a faultoccurs in t...

Page 16: ...PK15930 MADE IN THE UK BY 0 Hosiden Besson Ltd St Joseph s Close Hove East Sussex BN3 7EZ England Tel General 0273 72265t International 44 273 722651 Sales 0273 2t166 Fax 0273 777501 Telex 877601...