• Supports OSFP and QSFP-DD800 transceivers with pluggable client and line side DCO transceivers
• 800G to 100G Ethernet application support with 8x 106G PAM4 SerDes lane rates
• Comprehensive transceiver qualification via I2C capabilities and laser tuning
• Coherent ZR/ZR+ support with comprehensive media and host performance monitoring
• FEC and BER signal integrity testing with per-lane unframed BERT capabilities
• PCS/FEC, Lane BERT, Throughput, RFC2544, and Y.1564 V-SAM test capabilities
• Compact handheld design generating up to 1.6 Tb/s test traffic capacity
• Independent port operation with dual port groups for simultaneous testing
• Advanced cooling system with field-replaceable external QSFP-DD cooling fans
• Outstanding signal integrity with PAM4 and NRZ SerDes up to 112G support

• Adjustable TX swing, pre-cursor, pre-cursor 2, and post-cursor signal integrity settings
• Multiple transmit clock source options including internal stratum 3 and external references
• Automatic profile testing with up to 30 individual configurations grouped into Macro Profiles
• Integrated Wireshark packet decode with PCAP export compatibility
• Traffic generation and test stream flows supporting 16 streams (800/400GE) and 32 streams (100GE)
• RFC2544 compliance testing with automated throughput, latency, jitter, and frame loss measurements
• Y.1564 VSAM benchmarking and service disruption time measurement capabilities
• Layer 2, Layer 3, and Layer 4 (UDP) loopback modes with configurable traffic filters
• Variable 3.3V ±5% transceiver power supply per port for specification qualification
• Pre-FEC and post-FEC BER validation with voltage, temperature, and frequency tolerance verification
• Built-in VeExpress cloud-based asset management and VeSion R-Server client for test results upload
• Flexible remote access via EZ Remote, web browser, VNC, ReVeal RXTS software, and SCPI commands 

Test Ports & Interfaces: 

• 1x OSFP (800GE, 400GE)
• 1x QSFP-DD800 (800GE, 2x400GE, 4x200GE, Nx100GE)
• 2x QSFP-DD (400GE, 2x200GE, Nx100GE)
• 2x QSFP112 (400GE)
• 2x QSFP56 (200GE)
• 2x QSFP28 (100GE)
• 2x QSFP+ (40GE)
• 2x SFP-DD (100GE)
• 2x SFP56/28 (50GE, 25GE) 

Physical Layer – SerDes Lane Rates: 

• 8x 106G PAM4
• 8x 53G PAM4
• 8x 26G NRZ

Supported Standards: 

• IEEE 800GE KP4 RS-FEC with 800GAUI-8 PAM4 (106G per lane)
• 2x 400GE KP4 RS-FEC with 400GAUI-4 PAM4 (106G per lane)
• 8x 100GE KP4 RS-FEC with 100GAUI-1 PAM4 (106G per lane)
• QSFP-DD MSA Hardware Specification Rev 7.0
• OIF CMIS 5.2
• OIF 400ZR 2.0 

Optical Transceiver Support: 

• Supports transceivers up to 30 watts
• 3.135V to 3.465V (3.300V ±5%) supply voltage tolerance verification
• Frequency tolerance verification from -100 ppm to +100 ppm in 0.1 ppm steps
• Temperature monitoring with internal and cage temperature tracking 

Environmental: 

• Operating Temperature: 5°C to 35°C (41°F to 95°F)
• Storage Temperature: -20°C to 70°C (-4°F to 158°F)
• Humidity: 5% to 90% non-condensing 

Physical Dimensions: 

• RXT-6811 Module: 214 x 178 x 76 mm (8.4 x 7.0 x 3.0 in)
• RXT-6811 Module Weight: 1.65 kg (3.64 lb)

Power:

• Maximum Power Consumption: 300 Watts 

Performance:

• Line frequency offset generation: ±150 ppm in 0.1 ppm steps
• Battery operation: Over 30 minutes continuous at 800GE (single LR4) with optional high-capacity Li-ion battery pack 

Data sheet – Download