SpectraLink 150 M3 MCU manual Change Companding

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SpectraLink Corporation

Link WTS Installation and Operation

11.2 Change Companding

The factory setting on the Link 150 M3 MCU is compatible with Mu- law companding (signal compression), which is the standard used by most PBXs in North America. Systems outside North America generally use A-law companding. If the PBX companding is incompatible with the MCU's, the Wireless Telephones will have distorted or hissing dial tone and voice will be unintelligible.

Before you begin, if the system has more than one MCU, erase the configurations from all MCUs except MCU 1. Refer to 8.5 Replace an MCU for instructions.

To change the default from Mu- to A- law on the Link 150 M3 MCU follow these steps.

1.Power the system OFF.

2.Slide the mode switch on the first MCU to the ADMIN position.

3.Power the system ON. Status LEDs 2, 3, and 4 will be solid green.

4.Press the STEP button once. Status LEDs 2, and 5 will be lit.

5.If the LED for If the LED for

LINE 1 is lit, the system is set for Mu- law. LINE 2 is lit, the system is set for A- law.

6.Press the DEL/ENTER button to toggle between Mu- law and A-law.

7.When the correct LINE LED is lit, return the mode switch to the NORM position.

Part Number: 72-0075-01-C-W.doc

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Contents Installation and Operation Trademark Information SpectraLink Corporation Link WTS Installation and Operation UL Information FCC Information Industry Canada IC Notice Warranty Support Program Customer Responsibilities Return Material Authorization Cleaning Tips for Wireless Telephones Table of Contents Site Certification System Administration Installation Overview About This DocumentQuestions? Icons and ConventionsSpectraLink Corporation Link WTS Installation and Operation Link Wireless Telephone System Overview System OperationSpectraLink Corporation Link WTS Installation and Operation Front Panel of the Link 150 M3 MCU Required Materials Site PreparationDetermine Location of MCU Run Cable for System Wire SpecificationsRun Cables to Base Station Locations Pull Cable Terminate Cable at Base Station LocationsPrepare Demarc Blocks MCUMultiple Power Pairs Dedicated Line for Diagnostic ModemTwo Wire Analog or Digital Interface Four Wire Digital Interface Install Demarc Blocks Assign and Program PortsSpectraLink Corporation Link WTS Installation and Operation Two Wire Analog or Digital Demarc Block Four Wire Digital Demarc Block Wire Connector B Survey Site Install Link Wireless Telephone SystemCheck Components Mount MCUs to Wall Install MCUsConnect MCU to Demarc Blocks Connect Power Connect Multi-Unit SystemsSet Switch Interface Type Switch Interface Line LEDs MCU Type Install Base Stations Mount Base Stations on Dropped Tile CeilingsMount Base Stations On Finished Ceilings Install Outdoor Base Stations Wire and Connect Outdoor Base StationsSet Up Diagnostic Modem Connect and Register Wireless TelephonesRegister Wireless Telephones Unregister Wireless Telephones Program Wireless Telephone Features Test Wireless TelephonesSite Certification Troubleshoot Error Codes System AdministrationTroubleshoot Phone Features Status LED Codes Status LEDs Description Action 12345Status Description Action LEDs Status Description Action LEDs Wireless Telephone Status Indicator Messages Indicator Description ActionDelete Old Wireless Telephone Replace a Wireless TelephoneRegister New Wireless Telephone Connect the Replacement MCU Clear Configuration on Replacement MCUReplace an MCU Replace a Base Station Wireless Telephone Planning Worksheet MCU IDBase Station Location Worksheet Appendix a Technical Parameters Select Alternate Spread Spectrum SequenceChange Companding Appendix B Program Analog Features Defining MacrosPlan Programming Open Application InterfaceProgram Macro Codes Examples of Programming TransferSpeed Dial Clear or Erase a FunctionBefore Installing the OAI Telephony Gateway OAI Telephony Gateway’s Front Panel Mount Telephony Gateway to WallInitial Test Connect the OAI Telephony Gateway to the MCU Connect the OAI Telephony Gateway to the Application Server Assign a Function Key to OAI Telephony GatewayCertification Test Index LEDOAI