Nortel Networks i2021 Series manual PS1/PS2 Switch Settings, Terminating Resistors

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i2021 ISDN Teleset

Fig. 3: NT1 Leads

PS1/PS2 Switch Settings

nIf power is supplied on pins 7&8, set the PS1/PS2 switch to PS2.

nIf power is supplied on pins 3&6, 4&5 only, set the PS1/PS2 switch to PS1.

nIf power is supplied on pins 3&6,4&5,7&8, set PS1/PS2switch to PS2.

nIf your NT1 does not supply power, you must use an external 48-volt DC power supply. Contact your service provider or system administrator if an external power supply is required. Connect as follows (Figure 4) and set the PS1/PS2 switch to PS2.

Fig. 4: Powering a Teleset (S/T) with an External Power Supply

Terminating Resistors

The i2021Teleset has built-in Terminating Resistors. The Terminating Resistor switches are located on the bottom of the Teleset. When the switches are in the On position, the Terminating Resistors are installed. The value of the resistors is 100 Ohms.

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Contents I2021 Series Isdn Teleset Users Guide Page Mandatory Customer Information Federal Communications Commission FCC Requirements, PartTrademark Acknowledgment Important Safety Instructions Table of Contents Table of Figures Features IntroductionIsdn i2021 S/T Telesets About This ManualVoice Operation Features Volume ControlRinger Controls Accessories MULTI-LANGUAGETouchtone Keypad Installation Parts ListIsdn Interfaces Line and Power Connections i2021 Teleset Switch SettingsPower Switch TR SwitchPS1/PS2 Switch Settings Terminating ResistorsPoint-to-Point Circuits Passive-Bus or MultipointLine Configuration Service Profile Identifier SpidFeatures Switch TypeDirectory Number Call Appearance KeysInstalling the Logo Plate Assembling Softkeys Connecting the i2021- AUTO-INSTALL AUTO-INSTALLAUTO-SWITCH AUTO-SPID Procedures AUTO-SPIDConnecting the i2021- MANUAL-INSTALL Manually Choosing the Switch TypeAUTO-DOWNLOAD Press MENU, MORE, MORE, Config, MORE, MORE, Spid Manually Entering the SpidManual Switch Downloading Manually Programming Call AppearancesPage Page Page Manually Programming Feature Keys I2021 Isdn Teleset Setting Up the Teleset Adjusting the Display Viewing AngleSetting the Contrast Setting the Backlighting Options Setting the Date and Time Clock Ringing Patterns Page 2ND Ring Primca Primary Call AppearancePage Priort CA Priority Call Appearance Confca Conference Call AppearanceIntercom Speed Dial KEY Assignment Page Editing a Speed Dial Number Setting the Alarm Time Press MENU, Alarm Password Selection There are Three Levels of Password ProtectionSetting Protection Levels Page Changing the Language on Keycaps and Display English French SpanishChanging the Keycaps Changing the Display LanguageNon-Programmable Hardkeys and Indicators OperationsVoice Operation Terms and NomenclatureDisplay Window and Menus Placing Calls Answering Incoming CallsDialing OFF-HOOK Dialing ON-HOOKDisplay Information Calling Party NumberHold Key Transfer, Conference and DropTransferring Incoming Calls WAY Conferencing Conferencing TWO Outgoing CallsConferencing AN Incoming Call to AN Outgoing Call Conferencing AN Outgoing Call to AN Incoming CallConferencing TWO Incoming Calls Drop Feature Teleset Features RedialDirectory Directory ChangesPage Call Records Viewing the Call Logs with Calling Party Name and Number Dialing from the Call LOG Saving a Callog Entry to the Directory Page Advanced Features DSS/BLF Direct Station Select, Busy Lamp FieldTsms Not Available in this Release Disabling Softkeys DSS/BLF OperationPage Key Mapping Inspect View Inspect or VIEW?Protecting Keys from Being Overwritten Disabling the Automatic Download Protecting Specific Keys from an Automatic DownloadDisable Logging TestingDisable Call Logs on Shared Call Appearance Key ClicksCode Error Type Meaning Troubleshooting Problems Maintaining the TelesetChecking the FW Version Loading FWCAN’T SET DSS/BLF, CONFCA, or Other CA Types CAN’T SET Call Appearances Back to PrimcaGlossary Page Index AutoRedial Iii