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Testing

Approved's Test Lab allows our clients to save money without sacrificing quality and reliability.

New standards in high-speed Ethernet, Fiber Channel, SONET and OTN require increasingly stringent testing. For over 16 years, Fortune 500, telecom companies and data centers worldwide have utilized Approved’s state-of-the-art lab to ensure that our optics are fully compliant within their environment. Testing is the cornerstone of Approved’s success. We test our optics at every major point along the production line; from auditing contract manufacturing facilities, to advanced functional, platform, and network testing upon arrival to our US laboratories located along the coast of Southern California.

Transceiver Performance Testing
Each module shipped from Approved undergoes a rigorous testing process prior to programming, including:
  • Compliance Verification for Distance
  • Wavelength
  • Traffic Density
  • Light
Ethernet Testing
  • Optical 100 Mbps to 100 Gbps Ethernet testing, including 25GE & 50GE
  • Electrical 10/100/1000 Mbps Ethernet testing
  • Dual-port testing capabilities
  • Optical Lane BERT and CAUI-4/XLAUI Lane BERT
  • PCS Layer Testing with Skew generation/monitoring
  • Multi-stream testing up to 32 independent streams
  • IEEE 802.3ah, ITU-T Y.1731, IEEE 802.1ag, and MPLS-TP OAM support
  • RS-FEC support for SR4 and SR10 transceivers
  • Q in Q (VLAN stacking), MPLS, MPLS-TP, PBB, EoE support
  • MAC flooding
  • RFC2544 and V-SAM (Y.1564) testing
  • IPv4 and IPv6 traffic generation
  • BERT and Throughput testing at Layer 2 and Layer 3
  • Smart Loopback mode for Layer 2 and Layer 3
  • One-Way-Delay latency measurement (GPS assisted)
  • Line rate packet capture with Wireshark™ decode
  • Error and Alarm Injection
eCPRI Testing
  • 25G eCPRI
  • Dual-port testing capabilities
  • RS-FEC support
  • Multi-stream testing up to 32 independant streams
  • Throughput testing at Layer 2 and Layer 4
  • IPv4 and IPv6 support
  • Q in Q (VLAN stacking) and MPLS support
  • High accuracy One-Way-Delay latency measurement (GPS assisted)
  • Line rate packet capture
Fibre Channel Testing
  • Storage Area Networks (SAN) testing for 1G, 2G, 4G, 8G, 10G, 16G and 32G interfaces
  • BERT and Throughput test
  • RFC2544: Throughput, latency, frame loss, back to back tests Layer 1 and layer 2 loopbacks
  • OTN Testing
  • OTN testing for OTU1, OTU2, OTU1e, OTU2e, OTU3 and OTU4
  • Complete multi-stage Mapping/Multiplexing
  • Advanced multi-step Map/Mux with SDH/SONET/PDH/DSn test payloads*
  • Ethernet over OTN (EoOTN)
  • ODUflex into ODU2, ODU3 and ODU4 with Bulk payload
  • Service Disruption Time (SDT)
  • Tandem Connection Monitoring
  • Overhead monitoring and generation
  • Terminate, Payload Through and Line Through test modes
  • Per-lane optical power and frequency measurements
  • External clock reference interface
  • Histogram Analysis
SDH/SONET Testing
  • Available as Line Rate or mapped into OTN payloads
  • STM-0 to STM-64 and STS-1/OC-1 to OC-192
  • Advanced multi-step Map/Mux with PDH/DSn test payloads

Environmental Test Facility

After being progremmed for complete compatibility, modules are then tested in their intended switch/platform. Virtually every manufacturer is represented in Approved's production test bed in California.