ClearOne comm GT1524 operation manual Set Passcode, RS-232, Telco

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Installation ~ LCD Programming

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To lock the front panel

1.Enter the System menu

2.Scroll through the menu items to select Lock Panel, and press Enter.

3.Select On, and press Enter again.

To unlock the front panel

1.Attempt to adjust a parameter. The GT1524 prompts you for the passcode.

2.Begin entering the passcode. Once you have correctly entered the fifth character, the front panel unlocks. (The default passcode for all units is Up, Up, Down, Down, Enter.)

Set Passcode

Once you have unlocked the GT1524, you can change the passcode. Before the GT1524 allows passcode changes, the new passcode must be entered, then re-entered to validate it. The passcode must be five front panel buttons (in any combination or multiple).

RS-232

Two RS-232 parameters can be adjusted through the front panel LCD: baud rate and flow control. If data is lost during serial access through the RS-232 port, a serial overrun error will occur. This is indicated on the LCD display. This parameter sets the GT1524’s RS-232 port communication rate at 9,600 (default), 19,200, or 38,400 baud (bps).

Baud. To set the baud rate, scroll through the settings to select the desired baud rate, then press Enter.

Flow Control. The flow control parameter allows activation and deactivation of hardware flow control. The two options are On and Off (default). To activate the flow control, scroll to On and press Enter. To deactivate it, scroll to Off and press Enter.

Telco

Auto-Answer On/Off. This parameter sets the telephone interface to automatically answer an incoming call (Auto-Answer On), or allow the call to be handled manually (Auto-Answer Off).

Auto-Disconnect.The interface can also be set to disconnect upon Loop Drop, Call

Progress, Loop Drop + CP, or to disconnect manually (Auto-Disconnect Off).

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

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Contents Audio Products GT1524 Single Channel Echo Canceller GT1524 Single Channel Echo Canceller GT1524 Installation ClearOne Part No June 2002 Rev Table of Contents IiiAppendices Features IntroductionTechnical Support Professional Services GroupSales and Customer Service ClearOne Communications EuMEA GmbHUnpacking Controls and ConnectionsFront panel Rear panel Introduction ~ Controls and ConnectionsTelephone line requirements Equipment placementOperational Requirements Introduction ~ Operational RequirementsTechnical Services Group ~ 1-800-283-5936 USA ~ Hardware Setup Connecting the unitLCD Programming Menu treesInstallation ~ LCD Programming Adjusting a valuePower-Up Screen Aux In, 4-Wire In, and From Telco InputsMic/Line System Speaker/Line Out, 4 Wire Out, and To TelcoOutputs Aux OutSet Passcode RS-232Telco Meters TimeoutDefault Meter Unit ID NumberFront Panel Control Controlling volumeTo adjust the volume MutingMaking a call Disconnecting a callAnswering a call Operation ~ Front Panel ControlCustom Control Custom controller optionsOperation ~ Custom Control Technical Services Group ~ 1-800-283-5936 USA ~ Appendix a Specifications AppendicesAppendix B Pinouts Control/Status port pinout femaleRS-232 COM DCE port pinout female Error codes Appendix C Serial CommandsCommand structure Appendix C ~ Serial CommandsGT1524 Serial Commands AGC ExplanationReturn values Auxmix BaudDfltm Dial ERLErle Flow FPPGain Hookd Appendix C ~ Serial Commands ExampleHook LFPLVL MHPMline Mute NLPNull Rxrd RingRingen Return valueTamode TerlTerle Tout UIDVER Warranty This Warranty is Void ifAppendix E Compliance FCC Part 15 complianceFCC Part 68 compliance Industry Canada compliance Appendix E ~ ComplianceLimits Index Index ~ S-Z
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