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Viavi 8800SX Series Manual
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Viavi 8800SX Series Manual

P25 phase ii test option 05
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8800SX Series
P25 Phase II Test
Option 05

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Summary of Contents for Viavi 8800SX Series

  • Page 1 8800SX Series P25 Phase II Test Option 05...
  • Page 2 Phase II Voice channels use HCPM and HDQPSK modulation • for uplink and downlink Phase II Subscriber TX/RX • Transmits HCPM Modulation – Receives HDQPSK – Phase II Base Station TX/RX • Transmits HDQPSK – Receives HCPM – viavisolutions.com © 2018 VIAVI Solutions Inc.
  • Page 3 Note: The 8800SX will reboot and come up into the Phase II system after making this selection. Repeat this process choosing LMR to return to the LMR system after Phase II testing is complete. viavisolutions.com © 2018 VIAVI Solutions Inc.
  • Page 4 Symbol Clock Error • Frequency Error • Signal Power • Bit Error Rate • FM Deviation Meter • Graphics • Digital Plots: Constellation, Eye Diagram, and Distribution • Power Profile: HCPM Timeslot Burst • viavisolutions.com © 2018 VIAVI Solutions Inc.

  • Page 5: Initial Settings

    Digital Plots • Power Profile (for H-CPM only) • Power Profile can be stacked on top of • the Digital Plots Tile. Use the “Fast Stack” Icon to select • the hidden tile. Initial Settings viavisolutions.com © 2018 VIAVI Solutions Inc.
  • Page 6 Distribution Plot. Note: Power Profile Plots are not valid for HDQPSK HDQPSK Modulation Modulation. HDQPSK Modulation has a Symbol Deviation of 2250 Hz and should be within 10% of that value or ±225 Hz. viavisolutions.com © 2018 VIAVI Solutions Inc.
  • Page 7 Distribution Plot. Note: Power Profile Plots are not valid for HDQPSK Modulation. HCPM Modulation has a Symbol Deviation of 3000 Hz and should be within 10% of that value or ±300 Hz. viavisolutions.com © 2018 VIAVI Solutions Inc.
  • Page 8 SYNC and enable the RF Generator. either logical channel 0 or 1. 10. Power measurements for Phase II signals should be made with the Signal Power Meter after it has been calibrated with the Norm Button. viavisolutions.com © 2018 VIAVI Solutions Inc.
  • Page 9 Set the 8800SX modulation pattern to 1031. When testing subscribers, the 8800SX can not only measure the important modulation parameters, but also display the profile of burst and verify that it is within the parameters specified in TIA-102-CCAB. viavisolutions.com © 2018 VIAVI Solutions Inc.
  • Page 10 A green indicator light indicates that the signal is within the mask. Note: Power measurements for Phase II signals should be made with the Signal Power Meter after it has been calibrated with the Norm Button. viavisolutions.com © 2018 VIAVI Solutions Inc.
  • Page 11 3000 Hz ± 10% • Symbol Deviation HDQPSK: 2250 Hz ± 10% • ≤ 10 ppm Symbol Clock Error: • TX BER: Undefined • Signal Power: Defined by User • Frequency Error: Defined by User • viavisolutions.com © 2018 VIAVI Solutions Inc.
  • Page 12 Note: Set the 8800SX Generator Level to a level near the 5% indication then enter that value. For finer resolution, enable the 0.1 dB step function and use the generator dial to step the level in 0.1 dB steps. viavisolutions.com © 2018 VIAVI Solutions Inc.
  • Page 13 8800SX Options and Accessories viavisolutions.com © 2018 VIAVI Solutions Inc.
  • Page 14 Questions or Comments? Contact Information For information about pricing for our products, contact the sales office by calling VIAVI Solutions at (800) 835-2352 or emailing AvComm.Sales@viavisolutions.com. For technical/product support, calibration, maintenance and general customer service inquiries, you can contact our help desk by...