AT&T Not Availab installation instructions Service

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Service

1Before cleaning, unplug the voice terminal from the modular wall jack. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.

2Unplug the voice terminal from the modular wall jack and refer servicing to qualified service personnel when these conditions exist:

If liquid has been spilled into the voice terminal

If the voice terminal has been exposed to rain or water

If the voice terminal does not operate normally by following the operating instructions, adjust only those controls described in these instructions. Do not attempt to adjust any other controls since doing so may result in damage to the voice terminal and will require extensive work by a qualified technician to restore the voice terminal to normal operation.

If the voice terminal has been dropped or the housing has been damaged

If you note a distinct change in the performance of the voice terminal

WARNING: When this product is located in a separate building from the telephone communications system, a line current protector MUST be installed at the entry/exit points of ALL buildings through which the line passes.

The following are the ONLY acceptable devices for use in this application:

AT&T 4-type protectors

ITW LINXLP-type protectors

CAUTION: This voice terminal is NOT for residential use. It is for business systems applications ONLY. Use in a residential environment could result in an electrical short circuit when the telephone wiring is set up to provide other applications, for example, for appliance control or power transformers. The AC power used in these applications may create a safety hazard by placing a direct short circuit across the telephone wiring.

SAVE THESE INSTRUCTIONS

When you see this warning symbol on the product, refer to the instructions booklet packed with the product for information before proceeding.

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Contents Definity AT&T 555-015-168 Comcode 107319659 Issue 1, AugustTo Order Copies of this Document WarrantyInterference Warning Information Part 15 of FCC Rules Hearing AID CompatibilityImportant Safety Instructions Service Contents Headset or the Handset Your Callmaster Voice TerminalOrganization of this Guide Recorder InterfaceConventions Callmaster Feature DescriptionsPage To initiate a self-test of your voice terminal Headset jacks on the side of the Callmaster Checklist of Parts InstallationComcode Orderable EquipmentConnecting the Line and Optional Equipment Cords Installing the Callmaster Voice TerminalsLine jack, adjunct jack, and routing channels Important Notes on InstallationDCP Line Interface Connector Block DCP Jack InterfacePage Callmaster Labeling and Installing the BUTTON-DESIGNATION Strips Testing the Headset or HandsetInserting the designation strips Raising or Lowering Receive Volume Feature ProceduresTo raise or lower the receive volume Going OFF-HOOKDisconnecting from Calls To add another party to an existing call ConferenceHold DropMute Select Ring and Ringer VolumeTo prevent the other party from hearing you To select a personalized ringTo test the lights and ringer of your voice terminal To adjust ringer volume if necessarySELF-TEST Transfer Power Requirements Physical Dimension and WeightTechnical Description Environmental Requirements