QSFP112 uses four 112 Gbps PAM4 lanes for 400 Gbps in the standard QSFP form factor, enabling higher baud rate technology in familiar packaging for next-generation data center and telecom applications.
| Pin | Name | Function | Type |
|---|---|---|---|
| TX | TX | 400G optical transmit 4 lanes | BUS |
| RX | RX | 400G optical receive 4 lanes | BUS |