1. 10G EPON Power Budget 8 Oct 2007 Version Compiled by Frank Effenberger

2. Downstream Power Budget BudgetPR10PR20PR30 Wavelength (nm)15xx 1577 OLT Tx max (dBm)+4+9+5 OLT Tx min (dBm)+1+5+2 OLT Tx TechnologyEMLEML+SOAEML Max Channel Loss (dB)202429 Penalty (dB)111 ONU Sensitivity (dBm)-20 -28 ONU Rx TechnologyPIN w/ FEC APD w/ FEC Min Channel Loss (dB)51015 ONU Rx Overload (dBm) -10

3. Upstream Power Budget BudgetPR10PR20PR30 Wavelength (nm)1270nm ONU Tx max (dBm)+4 +9 ONU Tx min (dBm) +4 ONU Tx TechnologyDML Hi DML Max Channel Loss (dB)202429 Penalty (dB)111 OLT Sensitivity (dBm)-22-26 OLT Rx TechnologyAPD w/ FEC Min Channel Loss (dB)51015 OLT Rx Overload (dBm)-6

4. Number of PMDs Tx Min/Max (dBm) Tx (nm) Rx Sens/Ovr (dBm) Rx (nm) OLT #1+1/+415xx-15xx-22/-11260-1280 OLT #2+2/+51574-1580-26/-61260-1280 OLT #3+5/+915xx-15xx-26/-61260-1280 ONU #1-1/+41260-1280-20/-115xx-15xx ONU #2+4/+91260-1280-28/-101574-1580