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HD-BNC-Slide7

Two other key mechanical characteristics qualify the connector’s ability to withstand large axial and side loads. Both of these loads can occur in general handling and in complex routing of cable assemblies. Stress from large bundles of cable can easily translate forces into the connector interface. For the first test, using a Zwick Roell tensile tester, direct axial pull force was applied to cabled plugs with the jack connector fixed. The force of failure, or connector separation without manipulation, of the coupling mechanism was recorded. General specifications for BNC connectors including IEC and MIL define a minimum coupling strength of 100 lbs (450N). The graph of those results is located on the bottom left of this slide. The HD-BNC™ met the industry standards for BNC. The 1.0/2.3 connectors fell short of the general specification. The second test used the same test equipment but applied a side load at a fixed distance from the panel fixture. The fixed pin was used to eliminate variability of connector length to isolate the interface strength. Pulling on the cable would have been unfair to the longer connector which in this case was the 1.0/2.3. The graph that illustrates those results is located on the top right of the slide. The graph shows that the HD-BNC™ achieves 63% greater side load resistance. Both of these tests illustrate how a real world environment could generate performance concerns not expected from established BNC product. It is important to consider these when selecting a high density interface.

PTM Published on: 2011-08-02