Products
Protocol Analyzers

PAM4 Adapter

The SierraNet PAM4 Layer 2-7 Analysis Adapter modules and licensed software options enables the SierraNet T/M328 family of Ethernet and Fibre Channel protocol analyzers to capture and analyze 50GbE and 64GFC PAM4 based transactions. The PAM4 Adapter modules extend the investment of the SierraNet T/M 328 for 25GbE and 32GFC developers by offering Teledyne LeCroy’s best in class signal probing technologies and software functionality.

Explore PAM4 Adapter Explore PAM4 Adapter
SierraNet M648  The SierraNet M648 platform provides best in class traffic capture and manipulation for testing application or link characteristics. SierraNet M648 is the latest in the line of industry leading test and measurement tools from Teledyne LeCroy, designed for today’s high-speed storage and communications fabrics. SierraNet M648 supports examination of Ethernet and Fibre Channel links utilizing both Pulse Amplitude Modulation 4 (PAM4) and legacy Non-Return to Zero (NRZ) technologies.
SierraNet T328  The SierraNet T328 system provides 10/25/40/50/100Gbps Ethernet and Gen 6 (32GFC) Fibre Channel data capture and protocol verification for developers & protocol test engineers in LAN, SAN, NAS and other Ethernet and Fibre Channel applications.  Available with eight SFP28 FlexPorts™ for maximum configuration and utility, the SierraNet T328 offers world-class protocol analysis capabilities with an easy to use, customizable hardware & software interface, large capture buffers, and the most advanced T.A.P4 capture, triggering and filtering capabilities in the industry.
SierraNet M328  The SierraNet M328™ system provides 10/25/40/50/100Gbps Ethernet and Gen 6 (32GFC) Fibre Channel data capture and protocol verification for developers & protocol test engineers in LAN, SAN, NAS and other Ethernet and Fibre Channel applications. Available with eight SFP28 FlexPorts™ for maximum configuration and utility, the SierraNet M328 offers world-class protocol analysis and error injection capabilities with an easy to use, customizable hardware & software interface, large capture buffers, and the most advanced capture, triggering and filtering capabilities in the industry.
SierraNet M328Q  The SierraNet M328Q™ system provides 10/25/40/50/100Gbps Ethernet and Gen 6 (32G) Fibre Channel data capture and protocol verification for developers & protocol test engineers in LAN, SAN, NAS and other Ethernet and Fibre Channel applications.  Available with two QSFP28 FlexPorts™ for maximum configuration and utility, the SierraNet M328Q offers world-class protocol analysis and error injection capabilities with an easy to use, customizable hardware & software interface, large capture buffers, and the most advanced capture, triggering and filtering capabilities in the industry.
SierraNet M168  The SierraNet M168 is the most cost effective, advanced and fully integrated 10Gbps Ethernet and 16G Fibre Channel data capture and protocol verification systems available for developers and protocol test engineers.  The SierraNet M168 supports Ethernet protocol analysis and error injection capabilities in a single platform and provides engineers with 100% recording of all Fibre Channel and Ethernet related traffic at full line rates on all ports while maintaining the link integrity through non-retimed pass-through probe technology.
PAM4 Adapter  The SierraNet PAM4 Layer 2-7 Analysis Adapter modules and licensed software options enables the SierraNet T/M328 family of Ethernet and Fibre Channel protocol analyzers to capture and analyze 50GbE and 64GFC PAM4 based transactions.  The PAM4 Adapter modules extend the investment of the SierraNet T/M 328 for 25GbE and 32GFC developers by offering Teledyne LeCroy’s best in class signal probing technologies and software functionality.

Ethernet, the most ubiquitous networking technology in the computer industry, has been used for a myriad of communications solutions over the past 20+ years and is the backbone of the Internet, corporate datacenter and enterprise applications, modern telephony infrastructures, and all the associated devices.

The “original” serial communication interface, newer high-speed Ethernet deployments provides a bi-directional, physical or logical, lower latency connection between the user/client and their device(s).  Serial transmissions enable much longer connection distances as compared to parallel transmission methods, because far fewer signal lines are required, thereby reducing noise created by multiple signal lines all switching at the same time (cross talk).

Ethernet has long been the data-communications choice for the corporate network as a reliable interconnectivity solution.  The evolution of speeds as well as multi-vendor networks requires adherence to the IEEE standards for Ethernet and a industry commitment to interoperability testing for standards conformance.

Advancements in storage protocols support and physical transport speeds, and improvements in reduced latency is elevating Ethernet to rival Fibre Channel for support of block oriented storage traffic in SAN (Storage Area Network) applications.

Ethernet relies on direct attached copper (DAC) cabling, however to enable longer distance communications, it is designed to work with either optical fiber physical medium or copper cables in many connector and cable type configurations.  Copper cables are relatively inexpensive, but they are useable only for shorter distances, in the range of 5-meters at 10GbE and ~3-meters at 25GbE. In general, the higher the transmission speed, the shorter the distance that can be reliably supported by copper cable technology.  A variety of copper solutions are available, the most commonly used being DAC cabling in both SFP (Small Form-factor Pluggable) and QSFP (Quad Small Form-factor Pluggable) configurations. SFP and QSFP optical cabling solutions are also available, supporting reliable transmission distances greater than 10 meters, up to about 10 kilometers.

 

 

Architecture

Ethernet is a layered protocol, and typical applications adhere to the OSI model. In the OSI model, each layer provides specific services and makes the results available to the next layer.  Figure 1 below defines OSI layer.

OSI Model
7 - Application
6 - Presentation
5 - Session
4 - Transport
3 - Network
2 – Data Link
1 - Physical
Figure 1, OSI Model Network Layers

The layers in the table represent different functions and services that exist within the Ethernet protocol definition. As with the other communication standards, protocol level analysis is often focused at the Data Link and Network layers and above.

Ethernet architecture transports blocks and/or streams of application information, called data payloads. Before sending a payload over the physical link, additional Ethernet specific control bytes are incorporated to ensure proper delivery and handling of the payload data. The combination of the control bytes and the payload data is the Ethernet frame.

 

The SierraNet PAM4 Layer 2-7 Analysis Adapter modules and licensed software options enables the SierraNet T/M328 family of Ethernet and Fibre Channel protocol analyzers to capture and analyze 50GbE and 64GFC PAM4 based transactions.  The PAM4 Adapter modules extend the investment of the SierraNet T/M 328 for 25GbE and 32GFC developers by offering Teledyne LeCroy’s best in class signal probing technologies and software functionality.

SierraNet PAM4 Adapters are the latest in the line of industry leading test and measurement tools designed for early adopters of today’s high-speed storage and communications fabrics.  The PAM4 Adapters support examination of a single link of 50Gb Ethernet or a single link of 64G Fibre Channel. There are two hardware options available, one adapter (HSF-TP4M-050-X) for those who need only Ethernet analysis capabilities, and one (HSF-TP4M-064-X) for those customers requiring both Ethernet and Fibre Channel PAM4 analysis. 

The PAM4 Adapters provide engineers 100% recording capabilities for all data-link through complete data payload layers, with accurate and precise decoding enabled in the Net Protocol Suite™ software application.  A wide range of SAN and LAN specific protocols are supported for triggering, capture and analysis operations, among these are Fibre Channel, NVMe-oF™, FC-NVMe™, FCoE, iSCSI, and TCP/IP related traffic.

SierraNet PAM4 Adapters connect to the link or fabric under test via a single pair of SFP28 connectors. The Adapter is then connected to the T/M328 with the Teledyne LeCroy supplied QSFP28 to SFP28 copper fan out cables.  The SierraNet PAM4 Adapters may be used for test on both QSFP and SFP native NIC, Server, or Switch ports interfaces. 

As is the case with existing SierraNet platforms, when used with the PAM4 Adapter, they may be connected via the CrossSync™ application to other Teledyne LeCroy protocol tools to observe traffic across multiple connections to understand how traffic, stimulus, or errors propagate across bridges or adapters.

The Net Protocol Suite utility provides the most advanced triggering and filtering state machines available.  Up to 24 states, with four transitions per state, and multiple trigger, filter, and timer conditions per capture project are standard features.  Advanced triggering enables state specific filtering to eliminate the capture of unwanted traffic, providing users intuitive and easy navigation to the information and events of importance.

Host Requirements: Microsoft® Windows® 10, Windows 8.1, Windows 7, Windows Server 2012, Windows Server 2008R2;    2 GB of RAM; Storage with at least 200 MB of free space for the installation of the software and additional space for recorded data; display with resolution of at least 1024x768 with at least 16-bit color depth; USB 2.0 port and/or 100/1000 Mbps Ethernet network interface. 
  For optimal performance, please refer to our recommended configurations. 
   
Data Rates Supported PAM4 Generated 64G Fibre Channel; and 50Gbps Ethernet
   
Connectivity: A Gigabit (1000Mbps) Ethernet link is recommended for used with the SierraNet analyzers. At minimum the host machine should have either a 100/1000Mbps Ethernet connection to the network or a USB 2.0 port.  If multiple analyzers are daisy chained and connected to the same host machine, one Ethernet connection or one USB port is required for each analyzer.
   
Data Rates Supported: 8, 16  and 32Gb/s Fibre Channel
10/25/40/50/100Gb/s Ethernet
   
Recording Memory Size: Maximum supported by accompanying SierraNet 328 based analyzer platform
   
Host System Interface: USB Type-C
   
Front Panel Indicators/
Connections:
Power LED
Two (2) SFP28 receptacles
   
Rear Panel Connectors: AC Power, QSFP 
   
Included Accessories: USB A to C cable
  DC Power Adapter
  1ea QSFP to 4-SFP fanout cable
   
Cascade and Expansion Capability Up to 2 PAM4 Modules per SierraNet System
   
Dimensions (H x W x D) Chassis:  40 x 108 x 165 mm (1.56” x 4.131” x 6.5”)
   
Weight 0.36 Kg (0.8lb)
   
Power Requirements: 12VDC, 2A Power Brick (included)
   
Environmental Requirements: Operating:  0 to 50C (32 to 122F)
  Non-operating:  -20 to 80C (-4 to 176F
  Humidity:  10 to 90% RH (non-condensing)

 

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