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 | 241
Note: The default Modem Interleaver Mode setting is on for channel sizes of 250 kHz and greater and
off for channel sizes of 200 kHz and less (see “Modem Interleaver Mode” on page 63).
Typical end-to-end link delay (ETSI) - interleaver off
L1
Channel size
25 kHz 48.3 ms 38.7 ms 34.2 ms
50 kHz 41.8 ms 22.8 ms 19.2 ms 16.4 ms
75 kHz 34.8 ms 18.5 ms 16.2 ms 13.5 ms
100 kHz 26.2 ms 14.6 ms 12.0 ms 10.5 ms
150 kHz 17.4 ms 9.8 ms 8.2 ms 7.4 ms
200 kHz 13.6 ms 7.9 ms 6.9 ms
250 kHz 10.8 ms 6.5 ms 5.5 ms 4.9 ms
500 kHz 5.8 ms 3.9 ms 3.4 ms 3.2 ms
1 MHz 3.67 m s 2.61 m s 2.59 m s 2.55 m s
1.75 MHz 2.93 m s 2.33 m s 2.12 m s 2.03 m s
3.5 MHz 2.40 m s 2.11 m s 2.05 m s 2.08 m s
7 MHz 2.20 m s 1.89 m s 1.77 m s 1.71 m s
14 MHz 2.08 m s 1.83 m s 1.75 m s 1.64 m s
Typical end-to-end link delay (ETSI) - interleaver on
L1
Channel size
25 kHz 163.0 ms 126.9 ms 110.8 ms
50 kHz 146.7 m s 75.4 m s 62.1 m s 51.5 m s
75 kHz 103.0 m s 52.8 m s 45.5 m s 36.4 m s
100 kHz 78.8 ms 41.1 ms 33.2 ms 28.2 ms
150 kHz 50.9 ms 26.6 ms 21.9 ms 18.9 ms
200 kHz 40.5 ms 21.5 ms 18.0 ms
250 kHz 33.1 ms 17.7 ms 14.5 ms 12.4 ms
500 kHz 17.4 ms 9.5 ms 8.2 ms 7.1 ms
1 MHz 9.31 m s 5.50 m s 4.79 m s 4.44 m s
1.75 MHz 6.04 m s 3.87 m s 3.47 m s 3.16 m s
3.5 MHz 3.79 m s 2.84 m s 2.44 m s 2.54 m s
7 MHz 2.67 m s 2.23 m s 1.92 m s 1.86 m s
14 MHz 2.11 m s 2.01 m s 1.86 m s 1.89 m s
Note L1 The end to end link delays are measured from E1 interface to E1 interface
The delay figures are typical and can vary w hen the system re-synchronizes
QPSK 16 QAM 32 QAM 64 QAM
QPSK 16 QAM 32 QAM 64 QAM