BSM connector

Several Tektronix products use BSM connectors, such as the 7T11, 3S2, S-50. S-51, and S-52. These look like minature BNC connectors. They are much less common than BNC connectors. There are two-lug variants and three-lug variants. Tektronix used the two-lug variant. They are also sometimes called MB connectors.

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  BSM female on front lower right of 7T11

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  BSM to BNC adapters

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  BSM panel jack