VIAVI TestCenter : How to read RX power on a SR4 transceiver
Knowledge Base - FAQ
VIAVI TestCenter : How to read RX power on a SR4 transceiver
• You need to use the L1 GUI and read the following.
• For the QSFP28:
• Tx power reg 50 = 0x28
• Rx power reg 34 = 0x23
• I2C bus, Device address set to 0x50, Bus select to 0x0, Register address 34
• values of 0x1C to 0x23 with 0x23 is what you should see since 1C is a little low.
•