System-telephone extension modules
Up0/S0-module (CS410 only)
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Install the Up0/S0-module intoyour telephoneif you wishto connectthe phone to a Up0-port of a
pabx.TheexternalUp0/S0-converteris thennolongerrequired.
Answering machine module (only CS410, CS410-U)
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Thismoduleprovides yourtelephonewithamulti-functiondigitalansweringmachine.
FOREXAMPLE.:SeparateprogrammingforeachMSNextensionnumber,time-controlfeaturefor
voice announcement related to specific MSN extension numbers, automatic notification with
newlyrecordedcalls,recordingof dictations,loggingofcalls,remotepollingprotectedbyPIN.
Aspecialkey andLED areprovided foroperation oftheansweringmachine.
Additional »T400« keyboard
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Thisadditionalkeypadhas20buttonswithaninsetLED, whichcanbeusedontwolevelsasfuncti
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onbuttons. TheLEDisassignedtothefirstlevel. AnothertwoLEDsareprovidedforindicatingad
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ditionalinformation.
Up to three additional keypads can be connected (cascaded) to your telephone. A plug-in power
supply is required if you use more than oneadditional keypad. Use only the approved T400 power
supplyunitsavailableasaccessory/serialnumber220872.5orT400-UK/serialnumber220873.3.
Additional »T400/2« keyboard
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Thisadditionalkeypadhas10buttonswithaninsetLED, whichcanbeusedontwolevelsasfuncti-
onbuttons. TheLEDisassignedtothefirstlevel. AnothertwoLEDsareprovidedforindicatingad-
ditionalinformation.
Safety notes
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Mind the storage and operation temperatures for the device listed in the technical specifications.
Onlyconnectthedevicewhenthepermissibleambientoperatingtemperaturehasbeenreached.
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Please note that condensation on or in the unit may occur when moving from cold to warm sur-
roundings. Only remove the telephone from the package when the permissible ambient operating
temperaturehasbeenreached.
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Youshouldnotmakecalls orconnectordisconnectany linesduringthunderstorms.
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Onlyattachtheconnectingcordsat theconnectionsprovided.
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Makesure phonecablesareinstalledinasafemannerto preventtripping.
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Avoidthefollowing:
Directsunlight
Sourcesofheat(forexampleradiators)
Electronicdevices(forexamplestereocomponents,officeequipmentor microwavedevices)
Ingressofmoisture orliquids
Aggressivefluidsor vapors
Dustyenvironment
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Donotusetheunitinexcessivelyhumidroomsor hazardouslocations.
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Onlyopenthosesectionsofthedevicespecifiedintheassembly/operatinginstructions.
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Donottouchplugconnectorswithpointed,metal,ormoistobjects.
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If you do not permanently mount the device or any accessories, be sure to place it/them on a
non-slipsurface.
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Whenrequired,cleantheunitwitha slightlymoistenedcloth.
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Onlyuseapproved accessories.
Description and installation
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