Quality Manufacturing

Our principal goal at WTI has always been to produce the highest quality network products available. Each step of the manufacturing process is carefully planned to ensure and verify that the quality of every WTI product is of the highest degree possible. Our confidence in this quality is reflected in the fact that we offer the most comprehensive 5-year limited warranty in the industry. In order to attain this high level of quality, we follow the steps outlined below:

Receiving Inspection:Upon receipt, all raw materials are subjected to a rigorous inspection. Each item is physically checked against the current drawing listed on the Bill of Materials and verified to match or exceed WTI Engineering specifications.

Kit Inspection: When a kit is pulled for a product build, each component is inspected and verified to match the Bill of Materials and Engineering specifications.

SMT and Hand Stuffing of PCBs: WTI’s state-of-the-art surface mount equipment is constantly monitored and maintained. Every component change and reload is verified by both the operator and Manufacturing Floor Inspector. Hand stuffed components are also verified and inspected at the beginning of each PCB run. After stuffing, components are machine soldered using our state-of-the-art wave solder machine.

Board Touch up: Every completed PCB is subjected to an extensive visual inspection followed by a touch-up and cleaning procedure. Solder quality is verified and an Inspector then re-checks every board to make certain that all finished PCBs meet our quality standards.

First Article Inspection: Upon completion of the first assembly of each build, a complete first article inspection is conducted to ensure that all components, sub-assemblies, wires and hardware have been assembled in accordance with WTI Engineering documentation.

Assembly Inspection: After assembly, 100% of the build is inspected and checked for all items listed on the Inspection Defect Codes reference list. In addition, all wires, screws and labels are inspected and verified as correct.

Product Burn-in: Every product produced goes through a minimum 24 hour burn-in process. During this process, many software scripts are continually run on each product. These scripts exercise all the products features and functionality. Although rare, any discrepancies or abnormal results are captured and acted upon before the unit enters the final test process.

Test Process: A significant portion of our Manufacturing floor is devoted to hands on testing of each and every product that we produce. These tests are designed to ensure that each completed product operates correctly within normal specifications under calibrated voltage conditions. Additionally, the clock crystal, sub battery and voltage are tested. All power outlets are load tested and the network ports, serial ports and modem port are also individually tested.

Final Assembly: Following the extensive burn-in and manual test process, products are then moved to the final assembly area. The top cover and other additional hardware is installed in this area. Next, product labels are applied as needed and the product is then cleaned.

Hi-Pot and Final Inspection: Every AC powered product is subjected to a Hi-Pot test in order to check ground bonding, amperage, resistance and capacitor function. Finally, all units are then subjected to another complete physical inspection before being moved to the boxing area.

Together, these steps ensure that WTI will continue to conform to the high standard of quality that our customers have grown to rely upon, and that WTI products can be trusted to perform perfectly, even in the most demanding, mission critical applications.

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  • “     I’m happy to report that, thanks to your fast response, I’ve been able to get our new WTI power reboot switch online without a hitch... ”         - Ben G. Tacoma