Mean Time Between Failures (MTBF)
Table 36: 5420M family MTBF
Model
MTBF at 25°C
48W-4YE without PSU
547,531
48W-4YE with 1 CRPS 920W PSU
219,609
48W-4YE with 2 CRPS 920W PSUs
274,975
48W-4YE with 1 CRPS 2000W PSU
288,273
48W-4YE with 1 CRPS 920W and 1 CRPS 2000W PSU
304,604
48W-4YE with 2 CRPS 2000W PSUs
342,300
48T-4YE without PSU
818,774
48T-4YE with 1 CRPS 150W PSU
337,509
48T-4YE with 2 CRPS 150W PSUs
419,750
24W-4YE without PSU
652,991
24W-4YE with 1 CRPS 920W PSU
236,680
24W-4YE with 2 CRPS 920W PSUs
301,563
24T-4YE without PSU
842,727
24T-4YE with 1 CRPS 150W PSU
341,393
24T-4YE with 2 CRPS 150W PSUs
425,775
16MW-32P-4YE without PSU
576,512
16MW-32P-4YE with 1 CRPS 920W PSU
224,128
16MW-32P-4YE with 2 CRPS 920W PSUs
281,986
16MW-32P-4YE with 1 CRPS 2000W PSU
296,110
16MW-32P-4YE with 1 CRPS 920W and 1 CRPS 2000W PSU
313,368
16MW-32P-4YE with 2 CRPS 2000W PSUs
353,406
Table 37: 5420F family MTBF
Model
MTBF at 25°C
48P-4XE without PSU
406,882
48P-4XE with 1 OFPS 860W PSU
270,052
48P-4XE with 1 OFPS 860W and 1 CRPS 920W PSU
264,420
48P-4XL without PSU
414,751
48P-4XL with 1 OFPS 860W PSU
273,496
48P-4XL with 1 OFPS 860W and 1 CRPS 920W PSU
267,721
48T-4XE without PSU
623,178
Mean Time Between Failures (MTBF)
Technical Specifications
102
ExtremeSwitching 5420 Series Hardware Installation Guide