100G QSFP28 Active Electrical Loopback Module
The GQS-MPO101-LP4C QSFP28 active electrical loopback is used for testing 100G QSFP28 transceiver ports in board-level tests. By substituting for a full-featured QSFP28 transceiver, the electrical loopback provides a cost-effective low-loss method for QSFP28 port testing.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 3.13-3.47V |
| Input Voltage | -0.3V to Vcc+0.3V |
| Storage Temperature | -40°C to 85°C |
| Case Operating Temperature | 0°C to 70°C |
| Humidity (non-condensing) | 5%-95% |
| Data Rate Per Lane | 25.78125Gb/s |
| Power Dissipation | <2.5W |
| Differential Input Impedance | 90-100Ω |
| Differential Output Impedance | 90-110Ω |
| Differential Input Voltage Amplitude | 300mVpp |
| Differential Output Voltage Amplitude | 300-900mVpp |
| Bit Error Rate | E-12 |
| Input Logic Level High | 2.0-Vcc |
| Input Logic Level Low | 0-0.8V |
| Output Logic Level High | Vcc-0.5V to Vcc |
| Output Logic Level Low | 0-0.4V |
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Supplier Information
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Product Model: QSFP28 host board V1.30 PCB Marking: E206460 PCB Number: AL-85MA-0
QSFP28 Host Board V1.30 is a high-speed host-side evaluation/test PCB for 100G QSFP28 optical transceivers. The board routes the QSFP28 electrical interface to an arc array of gold SMA coaxial connectors around the top edge and to a QSFP28 cage/connector at the bottom center, enabling signal-integrity, compliance and interoperability testing of QSFP28 modules on the host side. PCB markings include E206460, AL-85MA-0 and the revision label "QSFP28 host board V1.30".
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