Cortelco 2500, 2554 instruction manual Save Theseinstructions

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ventilation slots. Liquid or objects may

touch dangerous voltage points or short

out parts that could result in a risk of fire or electrical shock.

9.Do not disassemble this product. Opening or removing covers may expose you to dangerous voltages or other risks. Incorrect reassembly can cause electrical shock when the product is subsequently used.

10.Avoid using a telephone during a local thunderstorm. There may be a remote risk of electrical shock from lightning.

11.Do not use a telephone in the vicinity of a gas leak to report the leak, or otherwise.

12.Unplug the telephone from the wall outlet and refer servicing to qualified service personnel under the following conditions:

When the line cord is frayed or plugs damaged.

If liquid has been spilled into the telephone.

If the telephone has been exposed to rain or water.

If the telephone does not operate properly by following the operating instructions.

If the telephone has been dropped or the housing damaged.

If the telephone exhibits distinct change in performance.

SAVE THESEINSTRUCTIONS

15-101-613

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Contents OWNER’S Instructionmanual Thank YOU For Purchasing this Telephone No Dial Tone TelephoneserviceproblemsDial Tone but no Ringing Dial Tone but no DialingImportant Safety Instructions Save Theseinstructions Deskinstallation Installingyour TelephoneWallinstallation Numbercard PUSH-BUTTONDIALTELEPHONESBefore Using Your Telephone Modularjacks Repairofyour Telephone MaintenanceinformationFCC Wants YOU to Know Page Limitedwarranty