GN1220GN1220
©2007GNA/S.Allrightsreserved.Jabra®isaregisteredtrademarkofGNA/S.Allothertrademarksincludedhereinarethepropertyoftheirrespectiveowners.
(Designandspecicationssubjecttochangewithoutnotice)
GN1220 Switch position Matching Telephone system Mod plug wiring Amplied
microphone
Equivalent
GN cable
1Standard(mostcommon) M-,R,R,M+ No 8800-00-01
2CiscoIPphones R,M-,M+,R No 8800-00-37
3 AscomoceandPhilipsphones R,M+,M-,R No 8800-00-03
4Japanesephones,NEC,Nitsuko M+,R,R,M- No 8800-00-25
5 PlantronicsVistaBase R,R,M+,M- No 8800-00-20
6Panasonicphoneswithmodularplug M+,R,R,M- Yes 8800-00-25A
7NorteldigitalphonesandAvayaIPphones M-,R,R,M+ Yes 8800-00-01A
8 AvayaCallmasterVandVI,CiscoIPphones R,M-,M+,R Yes 8800-00-37A
Features Benets
Simple8-positionslideadjustment(QDtoRJ9) No need for a user manual; simply slide until a dial tone is heard.
StandardRJ9connector Connectstovirtuallyalltelephonesusingastandardmodularplug.
StandardGNQuickDisconnectplugtoheadset WorkswithanyGNheadsetequippedwithQuickDisconnect.
Straight80cm/31.5inchstraightcord Longer than many standard cords, yet at a competitive price.
Built-inlow-currentmicrophoneamplier EnablesperfectoperationwithtelephonesthatrequireextrasignalgainsuchasCisco,Panasonic,Nortel,andAvaya,
plusmanyIPtelephones.
DC Voltage
MaximumVoltage 10vDC
MinimumVoltage 1.6vDC
NominalVoltage 5vDC
Electrical Specication Transmitter
Switch positions vs Microphone gain
Bias Voltage (microphone input)
MaximumVoltage 1.71vDC
MinimumVoltage 1.38vDC
NominalVoltage 1.49vDC
Insertion Gain
Maximum 12.5dB
Minimum 10.5dB
Nominal 11.5dB
(preampoutputi.e.positions6-8)
*Fordetailsoncompliancepleasevisitwww.jabra.com
DC Current
MaximumCurrent 2.5mA
MinimumCurrent 280uA