Summary of Contents for ADC HiGain H2TU-C-388 List 1
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HiGain HiGain UICK NSTALLATION HiGain HDSL2 • H2TU-C-388 L SETUP MODE SEL STATUS...
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H2TU-C-388 L The HiGain HDSL2 product family is the industry’s first practical implementation of High-bit-rate Digital Subscriber Line 2 (HDSL2). When an H2TU-C-388 List 1 line unit is used in conjunction with a HiGain HDSL2 remote unit (H2TU-R), the system provides 1.552 Mbps transmission on one unconditioned copper pair over the full Carrier Service Area (CSA) range.
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NSTALLATION To ensure proper installation of the H2TU-C-388 List 1, align the H2TU-C with the slot guides and slide the unit in until it touches the backplane card-edge connector. Push down on the front panel to seat the unit in the card-edge connector. OWER EQUENCE When the H2TU-C powers up, the four-character display illuminates and reports...
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(b) Dual loopbacks are only initiated from a maintenance terminal or the MODE and SEL buttons. For more detailed information about the HiGain HDSL2 screens, provisioning, and loopback testing, refer to the H2TU-C-388 List 1 user manual, catalog number 152-388-105-xx. It can be downloaded from the ADC Web site at www.adc.com. Front-Panel Alarm Messages Message...
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Front-Panel Diagnostic Messages 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-388 List 1 and H2TU-R are trying to establish synchronization. The multiplexers of the two devices on Span n are trying to establish synchronization with each other, where n is the number of the span.
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