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H2TU-C-388 L The H2TU-C-388 List 2 functions as the central office end (H2TU-C) of a repeaterless T1 transmission system when connected to a HiGain HDSL2 remote unit (H2TU-R). Setting new standards for interoperability and efficiency, HiGain HDSL2 modules transmit a 1.554 Mbps T1 payload on one unconditioned copper pair over the full Carrier Service Area (CSA) range.
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Select the Inventory screen, then type in the unit ID numbers. Change the settings of any system parameters, if necessary, by selecting the Config menu, Standard Options or ADC Options. (Configuration options can also be set from the front panel using the MODE and SEL buttons. See the “Front-Panel Configuration Options Using MODE and SEL”...
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Loopdown 11100 Deactivates any of the above loopbacks. Copies of this publication or the technical practice (LTPH-TP-1115-xx) can be downloaded from the ADC website at www.adc.com. To order a hard copy, please contact your sales representative. Front-Panel Alarm Messages Message...
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Front Panel Diagnostic Messages (normal operating messages in bold) Display Code Description (normal operating messages in bold) A=xx The loop attenuation of the longest (maximum loss) span, measured in dB. The multiplexers of the H2TU-C and H2TU-R are trying to establish synchronization. Armed to respond to Intelligent Repeater Loop (ILR) codes.
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