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

Specifications | 247
Signalling
Pulse dialing Transparent decadic signalling at 7 - 14 PPS with break
period limits of 60 - 73 %
Pulse distortion 4:1 multiplexed < 2.250 ms
Non-multiplexed
≤ 250 µs
Reversals Line polarity reversal detection
Metering level sensitivity 12 kHz / 16 kHz billing tone detection with a selectable level
sensitivity of -17dBm to -40 dBm in 1dB steps into 200 Ω
(60 mV rms to 5 mV rms into 200 Ω).
Metering level maximum The maximum level of metering signal the DFXO can tolerate
without voice band interference is 0.8 Vrms into 200 Ω.
Loop resistance on-hook >1 MΩ
Ringing detection threshold Options of 16 Vrms, 26 Vrms or 49 Vrms
Ringing detection frequency 15 to 50 Hz sine wave
Ringing input impedance Option of >10 MΩ or 30kΩ
Ringing DC offset range
tolerance
0 to -75VDC
Ringing input voltage
maximum
up to 100 Vrms
Physical
Physical interface Dual RJ-45 per port (1 line port, 1 monitor port)
Diagnostics
Green LED On: Normal operation
Solid: Off-hook
Flashing: Ringing
Yellow LED On: Alarm
Flashing: Loopback