User's Manual
Table Of Contents
- 1. Getting started
- 2. Introduction
- 3. Preparation
- 4. About the terminal
- 5. Mounting and installing the terminal
- 6. Connecting to the terminal
- 7. Managing the terminal
- 8. Configuring the terminal
- 9. Configuring the traffic interfaces
- 10. Cross Connections
- Embedded cross connect switch
- The Cross Connections application
- The Cross Connections system requirements
- Installing the Cross Connections application
- Opening the Cross Connections application
- The Cross Connections page
- Setting the terminal's address
- Management and user ethernet capacity
- Setting card types
- Getting cross connection configuration from the terminals
- Creating cross connections
- Sending cross connection configuration to the terminals
- Saving cross connection configurations
- Using existing cross connection configurations
- Printing the cross connection configuration
- Deleting cross connections
- Configuring the traffic cross connections
- Cross connection example
- Symmetrical Connection Wizard
- 11. Protected terminals
- 12. In-service commissioning
- What you will need
- Checking the antenna polarization
- Visually aligning antennas
- Accurately aligning the antennas
- Synchronizing the terminals
- Checking performance
- Checking the receive input level
- Checking the fade margin
- Checking long-term BER
- Bit Error Rate tests
- Additional tests
- Checking the link performance
- Viewing a summary of the link performance
- What you will need
- 13. Maintenance
- 14. Troubleshooting
- 15. Interface connections
- 16. Alarm types and sources
- 17. Country specific settings
- 18. Specifications
- Ethernet interface
- QJET Quad E1 / T1 interface
- Q4EM Quad 4 wire E&M interface
- DFXO Dual foreign exchange office interface
- DFXS Dual foreign exchange subscriber interface
- QV24 Quad V.24 asynchronous data interface
- HSS Single high speed synchronous data interface
- External alarm interfaces
- Auxiliary interfaces
- AC Power supply
- DC Power supply
- Power consumption
- MHSB protection
- Ethernet interface
- 19. Product end of life
- 20. Abbreviations
- 21. Acknowledgments and licensing
- 22. Commissioning Forms
- 23. Index

Maintenance | 175
13. Maintenance
There are no user-serviceable components within the terminal.
All hardware maintenance must be completed by 4RF or an authorized service centre.
Do not attempt to carry out repairs to any boards or parts.
Return all faulty terminals to 4RF or an authorized service centre.
For more information on maintenance and training, please contact Customer Services.
Caution: Electro Static Discharge (ESD) can damage or destroy the sensitive electrical components in
the terminal.
Routine maintenance
Every six or twelve months, for both ends of the link, you should record the RSSI and SNR levels as
well as checking the following:
Item What to check or look for
Equipment shelter environment Water leaks
Room temperature
Excessive vibration
Vermin damage
Terminal mounting Firmly mounted
Antenna cable connections Tight and dry
Antenna cable and its supports Not loose or suffering from ultra-violet degradation
Antenna and its mounting hardware Not loose, rusty or damaged
Safety earth Connections tight
Cabling intact
DC system Connections tight
Voltage in normal limits
Batteries (if installed) Connections tight
Electrolyte levels normal