VIAVI TestCenter 400G QSFP-DD test appliance
DX3-QSFP-DD-4

VIAVI TestCenter dX3 DX3-QSFP-DD-4 400G 4-Port 1U QSFP-DD Test Appliance

4-port version of the dX3 1U QSFP-DD test appliance, upgradable to 8 ports by license

MSA interface
QSFP-DD
Operational modes
PAM4 – 400/200/100/50G; NRZ – 100/50/40/25/10G
Port upgrade
4- to 8-port upgrade available via licensing
Port CPU
Stackable multi-core CPU
Datasheet

Overview

The VIAVI dX3 400G Appliance DX3-QSFP-DD-4 is the 4-port version of the 1U dX3 QSFP-DD TestCenter platform. Ports support 400/200/100/50G with PAM4 encoding and 100/50/40/25/10G with NRZ encoding. Auto Negotiation and Link Training are supported at all speeds, including 8x50G mode.

The appliance can be upgraded from 4 to 8 ports by license. VIAVI Smart Port Technology also allows single port and speed upgrades.

Key Features

  • Complete 400G Ethernet testing across QSFP-DD interfaces
  • Integrated Layer 2–3 validation on a single platform at full line rate
  • Precise, repeatable latency, jitter, throughput, and loss measurements
  • Validation of 100G/200G to 400G migration across multi-vendor ecosystems
  • Regression testing for software, hardware, and topology changes
  • 4-port version of the dX3 1U QSFP-DD appliance
  • 4- to 8-port upgrade available via licensing
  • PAM4 and NRZ in one platform
  • Ethernet FEC, Auto Negotiation and Link Training including 8x50G AN/LT
  • MACsec across all port speeds
  • Protocol testing for L2/3 routing/switching and data center test cases

Specifications

General
MSA interface QSFP-DD
Operational modes PAM4 – 400/200/100/50G; NRZ – 100/50/40/25/10G
Speeds depend on ordered bundle
Port upgrade 4- to 8-port upgrade available via licensing
Port CPU Stackable multi-core CPU
User reservation Per port
Timing and Synchronization
Line clocking Stratum-3 rated oscillator is the default time source
Transmit line clock ± < 1 PPM on initial shipment; accurate to ± 4.6 PPM 15 years of operation
Frame time-stamp resolution 2.5ns
Appliance synchronization ± 20ns
VIAVI-patented self-calibrating inter-chassis timing chain
Daisy chain Up to 255 appliances

Specifications are taken from the manufacturer's documentation. See the datasheet for complete and current values.

Applications

  • Data center fabric validation
  • Service provider and core network testing
  • Interoperability and acceptance testing
  • Pre-deployment and regression validation
  • Cloud computing and streaming services
  • Data center ToR and EoR switches and fabrics
  • Terabit routers

Options & Accessories

Option Description
DX3-QSFP-DD-4-825A dX3 4-port, PAM4 – 400/200/100/50G; NRZ – 100/50/40/25/10G
DX3-QSFP-DD-4-750A dX3 4-port, 400/200/100/50G
DX3-QSFP-DD-4-400A dX3 4-port, 400G only

Documents & Resources