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Multi-Service Module


The MTTplus-320 Multi-Service Module is a full-featured test solution for OTN, SONET, SDH, PDH, DSn, 64k Codirectional, C37.94, Carrier Ethernet, Fibre Channel, SyncE, PTP and CPRI/OBSAI.



  • All-in-one multi-service test solution, from 64 kbps to 10 Gbps
  • Transport, Core, Metro, SAN, Backhaul and Fronthaul applications
  • Supports independent and simultaneous measurements


  • Advanced flexible OTN, SDH/SONET, PDH/DSn test payload map/mux, including EoOTN support (ODU0 and ODUflex)
  • Overhead Monitoring and Byte decoding
  • Automatic Protection Switching and Service Disruption
  • Round Trip Delay on all interfaces and payload mappings
  • Tandem Connection Monitoring
  • Jitter and Wander (E1, E3, DS1, DS3, STM-1o, OC-3)
  • Non-intrusive Pulse Mask Analysis at E1, E3 and DS1, DS3 rates

Fibre Channel

  • Storage Area Networks (SAN) testing
  • BERT and Throughput test
  • RFC2544: Throughput, latency, frame loss, back to back tests
  • Layer 1 and layer 2 loopbacks


  • Common Public Radio Interface standard (CPRI): Unframed, Layer 1 Framed and Layer 2 tests (REC/BBU and RE/RRH emulation)
  • Open Base Station Architecture Initiative (OBSAI): Unframed tests
  • BER testing with PRBS stress patterns
  • Latency measurements

SCADA and Teleprotection

  • IEEE C37.94 Testing
    • Terminal and bidirectional pass-through monitor modes
    • 64k to 768k (N: 1 to 12)
    • BERT, Alarms and Round Trip Delay
    • GPS-assisted one-way-latency (asymmetry)
    • MMF and SMF optical interfaces
  • G.703 64k Codirectional Testing
    • Terminal mode
    • BERT, Alarms and Round Trip Delay


  • RFC2544 Throughput, latency, frame loss and back to back tests
  • V-SAM test suite compliant with ITU-T Y.1564 standard
  • IEEE 802.3ah, ITU-T Y.1731, IEEE 802.1ag, MPLS-TP OAM support
  • Q in Q (VLAN stacking), MPLS, MPLS-TP, PBB support
  • RFC6349 V-PERF TCP test suite
  • Layer 2 Control Protocol Transparency test
  • In-service monitoring with frames capture and on-screen protocol decode
  • One way latency with optional built-in GPS
  • Fully integrated solution for synchronized packet networks
  • Supports IEEE 1588v2/PTP and SyncE/ITU-T G.8261 standards
  • Master Clock and Slave clock emulation
  • IEEE 1588v2/PTP protocol monitor & decode, and PDV analysis
  • Clock recovery from SyncE or PTP and output to physical port
  • Wander measurement and MTIE/TDEV analysis
  • ESMC SSM generation, monitoring, and decoding
  • VoIP and IPTV testing