# Router Power Requirements

Table 16 lists the maximum power values for various modules and IOAs in an E120 router or E320 router and also provides the measured values when the router is operating with varying IMIX (Internet mix) values under typical conditions.

Table 16: Power Requirements for E120 Router and E320 Router

Component | Watts maximum | Watts measured @48V, nominal temperature | Model number
--- | --- | --- | ---
|  | 100%IMIX | 50%IMIX | 0%IMIX |
E320 Fan Tray | 495 | 234 | 234 | 234 | ES2-FANTRAY-FRU
E120 Fan Tray | 108 | 72 | 72 | 72 | ES2-120FTRAY-FRU
SRP IOA | 15 | 5 | 5 | 5 | ES2-SRP-IOA
SRP-100 | 75 | 60 | 58 | 55 | ES2-100G-SRP
SFM-100 | 40 | 30 | 26 | 25 | ES2-100G-SFM
SRP-120 | 140 | 73 | 73 | 72 | ES2-120G-SRP
SFM-120 | 95 | 47 | 45 | 45 | ES2-120G-SFM
SRP-320 | 140 | 86 | 85 | 80 | ES2-320G-SRP
SFM-320 | 95 | 48 | 45 | 45 | ES2-320G-SFM
ES2 4G LM | 176 | 149 | 138 | 129 | ES2-4GS1-MOD
ES2 10G UPLINK LM | 150 | 143 | 127 | 111 | ES2-10GUPS2-MOD
ES2 10G LM | 198 | 166 | 148 | 134 | ES2-10GACS3-MOD
ES2 10G ADV LM | 190 | 159 | 145 | 131 | ES2-10GACS4-MOD
ES2-S1 GE-4 IOA | 21 | 16 | 16 | 15 | ES2-GE4S1-IOA
ES2-S1 GE-8 IOA | 32 | 29 | 28 | 25 | ES2-GE8S1-IOA
ES2-S3 GE-20 IOA | 92 | 80 | 79 | 62 | ES2-GE20S3-IOA
ES2-S1 10GE IOA (ES2 10G LM) | 48 | 42 | 42 | 38 | ES2-10GES2-IOA
ES2-S1 10GE IOA (ES2 4G LM) | 40 | 22 | 22 | 19 | ES2-10GES1-IOA
ES2-S1 OC3-8 ATM IOA | 50 | 38 | 36 | 34 | ES2-8OC3AS1-IOA
ES2-S1 OC12-2 ATM IOA | 40 | 29 | 28 | 27 | ES2-2OC12AS1-IOA
ES2-S1 OC12-2 POS IOA | 30 | 18 | 18 | 18 | ES2-2OC12PS1-IOA
ES2-S1-OC48 POS IOA | 30 | 16 | 16 | 16 | ES2-OC48PS1-IOA
ES2-S1 REDUND IOA | 10 | 7 | 6 | 5 | ES2-REDUNDS1-IOA
ES2-S1 SERVICE IOA | 10 | 4 | 4 | 4 | ES2-SERVS1-IOA