Scope
This Corrective Field Action (CFA) impacts the following products:
2001-00305 - Zephyr iPort (FANLESS) MPEG Gateway
2001-00378 - Zephyr iPort MPEG Gateway + Content Delay
2001-00306 - Axia Studio Mix Engine (FANLESS)
2001-00296 - Pathfinder Core PRO (FANLESS)
2001-00307 - VX Engine (FANLESS)
2001-00424 - VX Prime VoIP System
2001-00304 - Omnia.8X (FANLESS) Multi-stream Processor
Although each product may differ slightly in color and labeling, all products affected by this CFA use this form factor.
Background
Telos Alliance has identified a rare failure mode in certain products that incorporates our 2U 19” Rackmount "Fanless Engine" (the “Fanless Engine”). The Fanless Engine was used in older VX, iPort, Omnia 8X, Pathfinder, and Studio Engines. Over the 10-plus year service life of the Fanless Engine, it has been shipped in about 4,000 products, and Telos Alliance has identified a total of 2 failures (0.0005 percent) of the type referenced in this field action recommendation.
Description
The failure of concern is in the power distribution inside the Fanless Engine. A short circuit may cause localized overheating, potentially resulting in damage to the product and the release of smoke from its enclosure. Telos Alliance’s products are safety tested, Certified CE compliant, and use non-flammable materials. We believe the risk of heat, fire, or smoke damage to adjacent equipment or facilities is minimal. However, smoke emitted during a failure could, in rare cases, trigger a customer’s fire suppression systems, damaging the user’s equipment and/or taking a facility off the air. In an abundance of caution, Telos Alliance offers its users a replacement cable to eliminate this risk and reduce the chance of internal component damage.
Corrective Action
Telos Alliance has designed a corrective kit containing a replacement power distribution cable that includes a slow-blow fuse (the “Kit”) that will reduce the excessive current that has created the concern in the Fanless Engine. The Kit will be provided without charge. Please review the installation instructions below.
Please email support@TelosAlliance.com or contact your local Telos Alliance dealer to order kits or get more information. The part number required is 1711-00509-100. While we call this a "kit," it is a single, pre-assembled cable.
The equipment's serial number for each fanless engine will be required to help us track upgrades and ensure you get the correct part.
Replacing the cable
Cable replacement requires removing the cover and risking exposure to potentially high voltages. YOU MUST FULLY DISCONNECT YOUR EQUIPMENT FROM AC MAIN VOLTAGES BEFORE PROCEEDING.
Tools Required
#2 Phillips screwdriver
Long 2.5mm Allen wrench
Small flat-blade screwdriver
Remove the cover
Remove four #2 Phillips-head screws from the top cover of the unit. They are shown in the image below, circled in RED.
Remove four 2.5mm Allen-head cap screws from between the cooling fins. They are shown in the image below, circled in YELLOW. A longer Allen wrench may be required to reach between the cooling fins.
Lift the cover off the unit. The cover is snug. You can pry up gently along the back edge of the cover with a small flat-blade screwdriver.
Locate and remove the main 48v DC cable
The cable you are about to remove is kept in place with a small locking tab that must be depressed while removing the cable. Failing to release the tab can result in damage to the PCB.
Depress the locking tab and remove the connector from the main PCB near the back of the unit.
Depress the locking tab and remove the connector from the power distribution board at the front of the unit. The locking tab is very close to the metal frame. A flat-blade screwdriver is helpful.
Installing the new cable
The new cable is fully assembled and ready to be installed. The connectors on both ends are identical, and the orientation of the cable is not important. In other words, it's impossible to plug this cable in incorrectly.
There is one other small, yellow and black DC cable and ribbon cable from the front of the unit. Before securing the front cover, ensure these cables have not come loose.
Reinstall the cover
When reinstalling the cover, it is helpful to start all screws loosely before tightening them. Once the cover has been installed, return your unit to service.
You can dispose of the cable that was removed.
Let us know how we can help
If you have further questions on this topic or have ideas about improving this document please contact us.