Power Consumption

The following tables include power consumption information for the 8520 Series switches.

8520-48Y

The following tables provide AC and DC power consumption information for the 8520-48Y switch models.

Table 1. AC IN: 220V
Item Test Mode Consumption (W) Notes
Dual Power Single Power
PSU1 PSU2
1 Empty Model 109 104 207
  1. No fiber transceivers inserted
  2. No port up link
  3. 85% fan duty
2 Standby Model 114 108 216
  1. All ports up link
  2. 85% fan duty
3 Typical Model 121 116 232
  1. Snake test with 70% traffic load (1518 byte packet length)
  2. 85% fan duty
4 Stress Model 154 148 299
  1. Snake test with 100% traffic load (64 byte packet length)
  2. 100% fan duty
Table 2. AC IN: 110V
Item Test Mode Consumption (W) Notes
Dual Power Single Power
PSU1 PSU2
1 Empty Model 112 106 209
  1. No fiber transceivers inserted
  2. No port up link
  3. 85% fan duty
2 Standby Model 118 111 223
  1. All ports up link
  2. 85% fan duty
3 Typical Model 126 119 239
  1. Snake test with 70% traffic load (1518 byte packet length)
  2. 85% fan duty
4 Stress Model 158 152 302
  1. Snake test with 100% traffic load (64 byte packet length)
  2. 100% fan duty
Table 3. DC IN: 48V
Item Test Mode Consumption (W) Notes
Dual Power Single Power
PSU1 PSU2
1 Empty Model 130 100 226
  1. No fiber transceivers inserted
  2. No port up link
  3. 85% fan duty
2 Standby Model 134 104 235
  1. All ports up link
  2. 85% fan duty
3 Typical Model 141 111 251
  1. Snake test with 70% traffic load (1518 byte packet length)
  2. 85% fan duty
4 Stress Model 178 145 325
  1. Snake test with 100% traffic load (64 byte packet length)
  2. 100% fan duty

8520-48XT

The following tables provide AC and DC power consumption information for the 8520-48XT switch models.

Table 4. AC IN: 220V
Item Test Mode Consumption (W) Notes
Dual Power Single Power
PSU1 PSU2
1 Empty Model 148.5 136 275.5
  1. No fiber transceivers inserted
  2. No port up link
  3. 85% fan duty
2 Standby Model 155.8 143 289
  1. All ports up link
  2. 85% fan duty
3 Typical Model 162.2 148 302.5
  1. Snake test with 70% traffic load (1518 byte packet length)
  2. 85% fan duty
4 Stress Model 204.8 189 389.5
  1. Snake test with 100% traffic load (64 byte packet length)
  2. 100% fan duty
Table 5. AC IN: 110V
Item Test Mode Consumption (W) Notes
Dual Power Single Power
PSU1 PSU2
1 Empty Model 149.8 138 250
  1. No fiber transceivers inserted
  2. No port up link
  3. 85% fan duty
2 Standby Model 156.8 145 262
  1. All ports up link
  2. 85% fan duty
3 Typical Model 164 151 275
  1. Snake test with 70% traffic load (1518 byte packet length)
  2. 85% fan duty
4 Stress Model 205 191 354
  1. Snake test with 100% traffic load (64 byte packet length)
  2. 100% fan duty
Table 6. DC IN: 48V
Item Test Mode Consumption (W) Notes
Dual Power Single Power
PSU1 PSU2
1 Empty Model 161 125 280
  1. No fiber transceivers inserted
  2. No port up link
  3. 85% fan duty
2 Standby Model 168 132 295
  1. All ports up link
  2. 85% fan duty
3 Typical Model 175 139 308
  1. Snake test with 70% traffic load (1518 byte packet length)
  2. 85% fan duty
4 Stress Model 221 184 399
  1. Snake test with 100% traffic load (64 byte packet length)
  2. 100% fan duty
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