2.00 Off Premise Extension(OPX)DescriptionSingle line telephones installed off the premisecan be operated via a public or private network inexactly the same way as extension which are onthe premise.Up to 80 Off Premise Extensions can be installedper system.The OPX card and OPX Power Unit are required.OPX must be set in the “Configuration-SlotAssignment.”ProgrammingConditionsWhen an incoming call is placed to OPX, ringingis heard in all the CO line incoming patterns.A doorphone incoming call cannot be sent to anOPX telephone.System Programming ReferenceVT Dumb“Configuration-Slot Assignment” 10-C-2.009-C-2.003.00 Walking StationDescriptionIt is possible to move an extension to a newlocation without re-programming.When moving a telephone, dial the featurenumber for “Walking Station Set” at both thesource and destination telephones.After the move, dial the feature number for“Walking Station Cancel” and the originalextension number of the moved extension.Up to two telephones in a system can be movedsimultaneously.Before executing this function, assign “System-Class of Service (1/2)”, Walking Station to “Yes”for the extension.ProgrammingConditionsIt is possible to move a telephone to an extensionwhich is in the pre-install status. In this case, dialthe feature number for “Walking Station Set” onlyat the extension to be moved, and dial the featurenumber for “Walking Station Cancel” and theoriginal extension number at the destinationextension.With a PITS, this function is executed from aPDN.The telephone type (PITS, SLT, OPX) must be thesame at the source and destination.If a busy tone is heard when dialing the featurenumber for “Walking Station Cancel” and theextension number, it means that the movingextension is being used (possibly by anotherstation with an SDN of the moving station) andthe function cannot be completed. In cases likethis, dial again. If your PITS has a display, itshows: Try AgainDialing the feature number for “Walking StationCancel” and the extension number at the movedestination in a PITS cannot be done with the SP-PHONE on.First lift the handset and then proceed.System Programming ReferenceVT Dumb“System-Class of Service (1/2)”,Walking Station“System-Numbering Plan (07/11)”,Walking Station SetWalking Station Cancel10-C-7.0010-C-10.009-D-4.019-D-6.073-F-3(70695)