Summary of Contents for ADC Digivance LRCS 800
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Page 1: User Guide
Preliminary ADCP-75-191 Preliminary Issue B November 2005 ® Digivance LRCS 800 and 1900 MHz Systems Reverse Link Monitor User Guide 20916-A 1342358 Rev 1... -
Page 2: Revision History
DISCLAIMER OF LIABILITY Contents herein are current as of the date of publication. ADC reserves the right to change the contents without prior notice. In no event shall ADC be liable for any damages resulting from loss of data, loss of use, or loss of profits and ADC further disclaims any and all liability for indirect, incidental, special, consequential or other similar damages. -
Page 3: Table Of Contents
CUSTOMER INFORMATION AND ASSISTANCE ........... . 5 Page iii © 2005, ADC Telecommunications, Inc. - Page 4 ADCP-75-191 • Preliminary Issue B • November 2005 • Preface TABLE OF CONTENTS Content Page Blank Page iv © 2005, ADC Telecommunications, Inc.
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Page 5: About This Manual
ADCP-75-191 • Preliminary Issue B • November 2005 • Preface ABOUT THIS MANUAL This publication provides supplemental information about Digivance LRCS 800 and 1900 MHz Systems that are equipped with the Reverse Link Monitor (RLM) feature. An overview of the... -
Page 6: General Safety Precautions
Long-Range Coverage Solution Mega Hertz Network Element Manager NEMA National Electrical Manufacturers Association Network Operations Center Radio Frequency Remote Link Monitor Specialized Mobile Radio SNMP Simple Network Management Protocol Spectrum Transport Module Underwriters Laboratories Page vi © 2005, ADC Telecommunications, Inc. -
Page 7: Description
RF signal levels from the remaining units are within specifications. The RLM feature provides selective alarming that cannot be provided by the BTS in a simulcast application. Page 1 © 2005, ADC Telecommunications, Inc. - Page 8 WITH RS232 CONVERSION, OR OTHER HOST UNIT 3 MEDIUM REMOTE UNIT 3 RS-232 RS-232 ETHERNET ASCII PC COMPUTER WITH EMS NETWORK SNMP AND SNMP PROXY AGENT MANAGER 20915-A Figure 1. Typical Simulcast Application (Simplified) Page 2 © 2005, ADC Telecommunications, Inc.
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Page 9: Ems Software Graphical User Interface
3. Similarly, if the Remote Unit supports RLM, the STM screen will display the message “RLM supported”. RLM supported by Host Unit RLM supported by Remote Unit Figure 3. Host and STM Screens Page 3 © 2005, ADC Telecommunications, Inc. -
Page 10: Troubleshooting An Rlm Alarm
Together, the Host Unit and Remote Unit (STM) provide 30 dBm of gain in the reverse path. When an RLM alarm occurs, the problem could be within either the STM or the Host Unit. If replacing one unit does not clear the alarm, the fault is within other unit. Page 4 © 2005, ADC Telecommunications, Inc. -
Page 11: Customer Information And Assistance
Contents herein are current as of the date of publication. ADC reserves the right to change the contents without prior notice. In no event shall ADC be liable for any damages resulting from loss of data, loss of use, or loss of profits and ADC further disclaims any and all liability for indirect, incidental, special, consequential or other similar damages.