Pin DescriptionsPINLogicSymbolName/DescriptionNote1GNDGround12CML-ITx2nTransmitter Inverted Data Input3CML-ITx2pTransmitter Non-Inverted Data output4GNDGround15CML-ITx4nTransmitter Inverted Data Input6CML-ITx4pTransmitter Non-Inverted Data output7GNDGround18LVTLL-IModSelLModule Select9LVTLL-IResetLModule Reset10VccRx﹢3.3V Power Supply Receiver211LVCMOS-I/OSCL2-Wire Serial Interface Clock12LVCMOS-I/OSDA2-Wire Serial Interface Data13GNDGround14CML-ORx3pReceiver Non-Inverted Data Output15CML-ORx3nReceiver Inverted Data Output16GNDGround117CML-ORx1pReceiver Non-Inverted Data Output18CML-ORx1nReceiver Inverted Data Output19GNDGround120GNDGround121CML-ORx2nReceiver Inverted Data Output22CML-ORx2pReceiver Non-Inverted Data Output23GNDGround124CML-ORx4nReceiver Inverted Data Output125CML-ORx4pReceiver Non-Inverted Data Output26GNDGround127LVTTL-OModPrsLModule Present28LVTTL-OIntLInterrupt29VccTx 3.3 V Power Supply transmitter230Vcc1 3.3 V Power Supply231LVTTL-ILPModeLow Power Mode32GNDGround133CML-ITx3pTransmitter Non-Inverted Data Input34CML-ITx3nTransmitter Inverted Data Output35GNDGround136CML-ITx1pTransmitter Non-Inverted Data Input37CML-ITx1nTransmitter Inverted Data Output38GNDGround1 Notes:Module circuit ground is isolated from module chassis ground within the module. GND is the symbol for signal and supply (power) common for QSFP modules.The connector pins are each rated for a maximum current of 500mA.
