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Viavi T-BERD MTS-5800 Quick Card

Network tester: cpri check, dark fiber and wdm loopback testing
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Quick Card
®
T-BERD
/MTS-5800 Network Tester
CPRI Check, Dark Fiber and WDM Loopback Testing
This quick card describes how to verify that a dark fiber or CWDM/DWDM front-haul link will support
error-free CPRI transport at a given line rate, using the T-BERD 5800v2 and a hard loop.

Equipment Requirements:

• T-BERD/MTS-5800v2 equipped with:
o BERT software release V26.2 or greater
o CPRI test options:
▪ C512GCPRI for CPRI Rate 2 (1228.8M)
▪ C524GCPRI for CPRI Rate 3 (2457.6M)
▪ C549GCPRI for CPRI Rate 5 (4915.2M)
▪ C598GCPRI for CPRI Rate 7 (9830.4M)
• SFP or SFP+ optical transceiver that supports
the CPRI rate for the fiber under test
• Single mode jumper cable to connect the T-
BERD to the fiber under test
• Single mode loopback plug or jumper cable to
loopback the fiber under test
• Fiber optic inspection microscope
(VIAVI P5000i or FiberChek Probe)
• Fiber optic cleaning supplies

Information Requirements:

• CPRI Line Rate
• Pass/Fail Criteria:
o Maximum and Minimum Optical Receive Level for looped-back signal
o Maximum Round Trip Delay for fiber under test
Figure 1: CPRI Front-haul Network Topologies
Figure 2: Equipment Requirements
VIAVI Solutions

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Summary of Contents for Viavi T-BERD MTS-5800

  • Page 1 • Single mode loopback plug or jumper cable to loopback the fiber under test • Fiber optic inspection microscope Figure 2: Equipment Requirements (VIAVI P5000i or FiberChek Probe) • Fiber optic cleaning supplies Information Requirements: • CPRI Line Rate • Pass/Fail Criteria:...
  • Page 2 VIAVI Solutions Fiber Inspection Guidelines: • Use the VIAVI P5000i or FiberChek Probe microscope to inspect the jumper cable or loopback plug before connection to the optical transceiver. • Focus the fiber on the screen. If dirty, clean the connector.
  • Page 3 VIAVI Solutions Configure Test: 1. Select “Hard Loop” for the Far-end Device. 2. Tap to continue. Figure 6: Test Settings 3. In the CPRI Link Test Settings screen: • Set CPRI Link Test Duration as follows: i. Line Rate 2 (1228.8 Mbps): 40 min.
  • Page 4 4. After viewing report, tap Figure 11: Create Report © 2018 VIAVI Solutions Inc. Contact Us +1 844 GO VIAVI To reach the VIAVI office nearest you, Product specifications and descriptions in this (+1 844 468 4284) visit viavisolutions.com/contacts. document are subject to change without notice.

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