Table 23: QSFP+, QSFP28, and QSFP56 Port Connector Pinout Mappng
(Connued)
Pin Symbol Descripon
17 RX1p Receiver non-inverted data output
18 RX1n Receiver inverted data output
19 GND Ground
20 GND Ground
21 RX2n Receiver inverted data output
22 RX2p Receiver non-inverted data output
23 GND Ground
24 RX4n Receiver inverted data output
25 RX4p Receiver non-inverted data output
26 GND Ground
27 ModPrsL Module Present
28 IntL Interrupt
29 VccTx +3.3V power supply transmier
30 Vcc1 +3/3V power supply
31 TBD Reserved
64