Related Manuals for ADC HiGain HLU-C-388 List 5F
Summary of Contents for ADC HiGain HLU-C-388 List 5F
- Page 1 HiGain HiGain UICK NSTALLATION HLU 388 I AIN HLU-C-388 L (dB) SETUP MODE SEL STATUS...
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Page 2: Specifications
HLU-388 L ® The HiGain Line Unit HLU-388 List 5F 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 5F: Lift up the entire front panel and align the HLU-388 List 5F 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: Loopback Testing
HLU-388 List 5F technical practice, document number 150-388-156-xx. It can be downloaded from the Customer Site portion of the ADC Web page at www.adc.com. A password is required to access the Customer Site Web pages. If you do not have a password, contact your ADC sales representative. - Page 6 Table 4. Front-Panel Diagnostic Messages (normal operating messages in bold) Message Description 1=xx or 2=yy Indicates the power of the received HDSL signal on each loop relative to noise. Any value of 6dB or greater is adequate for reliable system operation. nHDU Indicates the number (n) of doublers in the circuit (if any are present).
- 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.