QSFP28 Electrical Passive Loopback has Excellent signal integrity, It is used for Economical and flexible 100Gbps QSFP28 port testingBoard level system testing and Power on validation. The loopback module is package in a standard MSA housing compatible with all QSFP+/QSFP28 ports. Transmit data from the host is electrically routed, (internal to the loopback module), to the receive data outputs and back to the host.
Product List
| Model | Form Factor | Date Rate（Gb/s） | Plug in and out | Power | Attenuation | Download |
| VC-LP-100GQSFP-xx-xx | QSFP28 | 100G | 500 Times | 2.5W | 0dB | |
| VC-LOOPBACK-100GQSP-0-0 | QSFP28 | 100G | 500 Times | 0W | 0dB | |
| VC-LOOPBACK-100GQSP-0-2 | QSFP28 | 100G | 500 Times | 2W | 0dB | |
| VC-LOOPBACK-100GQSP-0-3.5 | QSFP28 | 100G | 500 Times | 3.5W | 0dB | |
| VC-LOOPBACK-100GQSP-3-0 | QSFP28 | 100G | 500 Times | 0W | 3dB | |
| VC-LOOPBACK-100GQSP-5-0 | QSFP28 | 101G | 500 Times | 0W | 5dB | |
| VC-LOOPBACK-100GQSP-5-1 | QSFP28 | 102G | 500 Times | 1W | 5dB |
This drawing is for reference only. If you need more information and need to modify the drawing, please Email us：support@vchung.com
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