User's Manual
Table Of Contents
- Document History
- Revision History
- GENERAL SAFETY PRECAUTIONS
- TABLE OF CONTENTS
- LIST OF FIGURES
- LIST OF TABLES
- 1 Introduction
- Figure 1Block Diagram of Host Unit
- Figure 2 Block Diagram of Remote Node
- 2 Safety
- 3 System Overview and Unit Description
- Figure 3mBSC System Functional Overview
- Figure 4 Host Unit
- Figure 5BIU
- Figure 6FIU
- Figure 7 PSU
- Figure 8RCU
- Table 1 Host Unit User Interface
- Front Panel
- Rear Panel
- Figure 10Fiber CM-BTS/ANT Enclosure Outline
- Figure 11Fiber CM-BTS/ANT Interior Layout
- Table 6Fiber CM-BTS/ANT Enclosure User Interface
- Figure 12Fiber CM-BTS/ANT Enclosure User Interface
- Table 7Single-band BDA Enclosure User Interface
- Figure 14 Single-band RU Enclosure User Interface
- Table 8 Indicator Description
- Table 9Shroud Specification
- 4 System Installation
- Figure 17 Mounting Brackets for 19” Rack Installation
- Figure 18Host Unit-19” Rack Mounting View
- Figure 19Host Unit Grounding Stud
- Figure 20 Grounded Host Unit
- Figure 21 BTS QMA Coaxial Cable Connection
- Figure 23E2000 Fiber Optic Port on Host Unit FIU
- Figure 2448VDC Host Power Connection
- Figure 25IP Connection for local GUI Control
- Figure 26Modem Port on RCU (DB9 male)
- Figure 27 Mounting Panel Mounting
- Figure 28Mount the Remote Unit on the Mounting Panel
- Figure 30Grounding Stud
- Figure 31 Grounding Wire the Ring Terminal
- SMA Coaxial Cable Inter-connection on Fiber CM-BTS/ANT Enclosure
- SMA Coaxial Cable Inter-connection on Single-band Enclosure
- DIN(7/16) Coaxial Cable Inter-connection on Single-band RU Enclosure
- N Type Coaxial Cable Inter-connection on CM-ANT Enclosure
- Figure 34Fiber Optic Cable Connection to Fiber CM-BTS Enclosure
- Warning
- Figure 35 AC Power Junction Box
- Figure 364-Pin AC Power Connector
- Figure 39 Flow Chart of System Debugging
- 5 System Monitoring &Configuration
- Figure 40– EMS Local GUI Login
- Figure 41- Main Page Expanded Topology
- Figure 42- Main Page Summary View
- Figure 43- RCU Component View
- Figure 44- Main Page Equipment Status
- Figure 45- FIU Optical Power Levels
- Figure 46- CM Optical Power Levels
- Table 15System Alarms
- 6 Maintenance
- Figure 56Host Unit Trouble Shooting
- Figure 57Remote Unit Trouble Shooting
- 7 Terms, Acronyms & Abbreviations
- IC Radiation Exposure Statement
- IC Déclaration sur la radio exposition
MBSC0800-040-RU
MBSC0800-040-RU July 02, 2014
Page 68
The mBSC-C Host Unit components are equipped with multiple LED indicators that show status and alarms
by displaying Green, Red or Off. Detailed descriptions of the LED indicators are provided respectively in
section 3.2.7Host Unit Interface.
The NMS software provides detailed alarm information which includes module level faults, circuit faults and
measured value faults such as door, RF power and temperature.
6.4 Troubleshooting Quick Guide
Use this section to quickly troubleshoot alarms and faults.
Table 16 Troubleshooting Quick Guide
Problem
Quick Troubleshooting Steps / Possible Cause
No RF output
1) Optical path is faulty;
2) Downlink path BTS input signal is low/not present
3) Remote Node RU is faulty.
RF output power level is low
Measure the downlink output power at the output of the RU, and at the input to he antenna
1)Passive components between the RU and the antenna port are faulty;
2) Host Unit RF input connections are faulty;
3) Optical path is faulty;
4) RU is faulty.
Loss of phone service, but the
RF signal level is normal
1) Test calling in the coverage area of original BTS. It may be the BTS problem if the
situation is the same;
2) Measure the gain both of the forward path and reserve path to see whether they are
close;
3) RU LNA module is faulty.
Power supply is out of service
1) Measure the DC power input source. If the voltage is out of 48VDC +/- 20%, add a
regulated power supply between the power in connector and the power source.
2) The interior power unit is faulty.