Calix 743GE SBU ONT — End-of-Life & EOSL Dates
Calix 743GE SBU ONT — end-of-sale and end-of-support dates by part number, from the Calix Customer Advisory Bulletin cited below.
Every tracked Calix 743GE SBU ONT SKU group is past Calix end of service life (last group Sep 2026). Units in production should be treated as unsupported. For past-EOSL units, weigh third-party maintenance, spares, replacement, or a documented run-to-failure.
End of sale
Jun 2021
Last date of support
Sep 2026
Part numbers
3
1
months past last support
Why this score
- Past end of service life — 1 month ago
- Vendor-published date, source-linked
- Category: optical network terminal
Support-lifecycle timing and source confidence only. Higher means more runway. It is not a risk, safety or compliance rating. How it is calculated
Part numbers in this family
All 3 share the dates above. Find your exact part to confirm.
| Part number | Description | End of sale | Last support | Status |
|---|---|---|---|---|
| 100-05169 | 744GE ONT, 2 POTS, 2 GE, 2 T1/E1 | Jun 2021 | Sep 2026 | Past support |
| 100-01551 | 766GX ONT, 8 POTS, 4 GE, 8 DS1, 4 RF, 1 RFX | Jun 2021 | Sep 2026 | Past support |
| 100-01693 | 766GX-R Rack Mount ONT, 8 POTS, 4 GE, 8 | Jun 2021 | Sep 2026 | Past support |
Options from here
The Calix 743GE SBU ONT is past Calix end of service life. These are the paths teams take from here:
Keep it in production past the OEM cutoff with an independent maintainer.
Buy spares now, while units still circulate on the secondary market.
It is unsupported today. Set a migration timeline and budget.
Low-criticality role: document the risk, harden backups, retire on your terms.
Independent and informational. EOSL.ai sells no hardware and no maintenance, and lists no paid placements. Third-party maintenance keeps unsupported gear in production past the OEM cutoff; whether it fits depends on the role the asset plays.
Calix 743GE SBU ONT — questions
Is the Calix 743GE SBU ONT end of life?
Yes. Every tracked 743GE SBU ONT SKU group is past its last date of support.
What is the last date of support for the 743GE SBU ONT?
Sep 2026, per the Calix end-of-sale bulletin.
Where do these 743GE SBU ONT dates come from?
Every end-of-sale and end-of-service-life date on this page links to the official Calix end-of-sale bulletin it was taken from.
On the same timetable
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