Mean Time Between Failures

Mean Time Between Failures includes mean time between failures (MTBF) information for Extreme 8520 switches.

Table 1. Mean Time Between Failures
Switch ModelMean Time Between Failures
8520-48Y-8C-AC-F 471,550 hrs @ 25°C

178,775 hrs @ 50°C

8520-48Y-8C-AC-R520,479 hrs @ 25°C

255,358 hrs @ 45°C

8520-48Y-8C-DC-F 471,560 hrs @ 25°C

178,776 @ 50°C

8520-48Y-8C-DC-R 520,491 hrs @ 25°C

255,361 @ 45°C

8520-48XT-6C-AC-F 439,148 hrs @ 25°C

187,306 hrs @ 50°C

8520-48XT-6C-AC-R 421,453 hrs @ 25°C

176,924 hrs @ 45°C

8520-48XT-6C-DC-F421,453 hrs @ 25°C

187,308 @ 50°C

8520-48XT-6C-DC-R 421,461 hrs @ 25°C

176,926 @ 45°C

9037126-00 Rev AE