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Related Manuals for ADC HiGain HLU-388 List 5D
Summary of Contents for ADC HiGain HLU-388 List 5D
- Page 1 HiGain HiGain UICK NSTALLATION HLU-388 L...
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Page 2: Specifications
HLU-388 L ® The HiGain Line Unit HLU-388 List 5D is the Central Office (CO) side of a repeaterless, T1 transmission system. When used in conjunction with a HiGain Remote Unit (HRU), the system provides 1.544 Mbps transmission on two unconditioned copper pairs over the full Carrier Service Area (CSA) range. -
Page 3: Installation
NSTALLATION To ensure proper installation of the HLU-388 List 5D: Lift the front panel and align the HLU-388 List 5D with the shelf rails. Slide the unit in and press the front panel down to secure. OWER EQUENCE When the HLU powers up, the four-character display illuminates and reports status messages. - Page 5 HLU-388 List 5D technical practice, document number 150-388-154-xx. It can be downloaded from the Customer Site portion of the ADC Web page at www.adc.com. To order a hard copy, please contact your sales representative. Table 2. Front-Panel Alarm Messages...
- Page 6 Table 4. Front Panel Diagnostic Messages Message Description (normal operating messages in bold) 1=xx or 2=yy Indicates the power of the received HDSL signal on each loop relative to noise. Any value of 06 (dB) or greater is adequate for reliable system operation. ACQ1 or ACQ2 The multiplexers of the HLU and the HRU, or the first doubler, are trying to establish synchronization over Loop 1 or Loop 2 of Span 1.
- Page 7 © 2002 ADC DSL Systems, Inc. All rights reserved. Information contained in this document is company private to ADC DSL Systems, Inc., and shall not be modified, used, copied, reproduced or disclosed in whole or in part without the written consent of ADC.
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