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total channel loss budget for an 800G multimode SR8 link — connector-loss-dominated, little install margin

~1.7–1.8 dBobserved

Value kindobserved — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range.
As of2026
SourceFluke Networks · Table 2; 800GBASE-SR8 maximum insertion loss is 1.7 dB on OM3 and 1.8 dB on OM4/OM5
Reviewchecking…review by 2026-10-27 · standard cadence
Recorded changeslast 2026-08-24 · 2 revisions tracked
Claim idtotal-channel-loss-budget-for-an-800g-multimode

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