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Spirent KB Article
Doc ID: SOL14652
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TTworkbench: How to install/update the Firmware on Spirent C50/C1?
TTworkbench Test Package v5.13
The Spirent STC Firmware and TTworkbench related test package are already installed and pre-configured on the Spirent C50/C1 box.
You should only upgrade to a new version in case you have problems with the current firmware or want to use new functionality provided by a new firmware version.
1. Spirent TestCenter Firmware installation / update:
1.1. Backup/Save the given STC license
1.2. Download the Spirent TestCenter (STC) Firmware
Extract/Unzip the archive file!
1.3. Start the Spirent TestCenter application
(if not already installed, refer to
for installation information)
1.4. Connect to Chassis (C50/C1)
1.5. Expand or right click to connect
(If the device is not listed yet, add it by clicking on Connect/Create)
1.6. Go to Tools -> Firmware management
1.7. Install/Update STC Firmware
Browse and navigate to the folder where you extracted the firmware (folder including the extracted STC Firmware file / see step 1.2)
In the drop-down menu Version, select the proper version number
In the list below, select the device that you want to update
A new installation or an upgrade of the Spirent STC deletes any already installed TTworkbench (ttwb) test package.
2. TTworkbench Test Package Installation (v5.13)
2.1. Download TTworkbench Test Package
TTworkbench Test Package (ttwb-xxx.zip file) download link provided by the Spirent TTworkbench support team
Do NOT unzip/extract the archive file!
2.2. Install TTworkbench Test Package via STC GUI
Browse and navigate to the folder where the test package file is stored (folder including TTworkbench test package
In the drop-down menu “Set All Port Groups to Test Package”, select "ttwb"
3. Activate Test Module Profile (TTwb)
4. Update TTworkbench Server for C50/C1
(Run on a Computer connected to the C50/C1)
TTworkbench Server Update (TTworkbenchUpdate-Testpackage-vXX.exe file) download link provided by the Spirent TTworkbench support team
5. Install the STC license
(LIC file / refer to
6. Install the TTworkbench license
(License installer / refer to
Product : Installation
Spirent TestCenter : How do I backup and install a license in Spirent TestCenter chassis?
Spirent TestCenter: What are some of the best practices to follow when upgrading a Spirent TestCenter chassis?
TTworkbench: How to install TTworkbench license on Spirent C1/C50?
V2X Virtual: How to install or update the V2X Virtual Firmware on Spirent C50 C-V2X?
V2X Virtual / TTworkbench: How to install Spirent TestCenter application and license for Spirent C-V2X and TTworkbench on C1/C50?