QSFP-DD Test Adapter User Manual
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©2019 Wilder Technologies, LLC
Document No. 910-00 57-000 Rev. A
Figure 2. The QSFP-DD MCB (Receptacle) Test Adapter (Note: The coaxial cables are configuration
dependent and may be terminated with different connectors than what is shown.)
NOTE: The metal shell of both the plug (QSFP-DD HCB) and
receptacle (QSFP-DD MCB) connectors tie high-speed ground to
chassis ground.
The low-speed 12-position receptacle and plug connectors are keyed and latching (Molex
part number 43645-1200 for the plug TPA and 43650-1204 for the receptacle TPA). The mating
connector housings and contact pins for 26-30awg wire are Molex part number 43640-1201 for
the 12-position housing and 43031-0011 for the plug contacts used with the plug TPA, and
Molex part number 43645-1200 for the 12-position housing and 43030-0011 for the receptacle
contacts used with the receptacle TPA. Replacement parts can be purchased through Molex
distributors.
NOTE: The receiver 2.92mm (K-Style) connections for QSFP-DD are
normally AC coupled. The QSFP-DD plug and receptacle TPAs do NOT
have internal DC Blocks. This allows for parametric testing through
the TPAs. Normal testing may require DC Blocks (May be optionally
ordered from Wilder Technologies). Refer to the Electrical
Specifications section of this document for DC Block performance
parameters.
2.92mm
Connectors
(Female Shown)
(Side, Not Shown)
Receptacle
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