Calix GigaSpire u12 (GS2020E) & GM1020 End-of-Life & EOSL Dates
Calix GigaSpire u12 (GS2020E) & GM1020 — end-of-sale and end-of-support dates by part number, from the Calix Customer Advisory Bulletin cited below.
Every tracked Calix GigaSpire u12 (GS2020E) & GM1020 SKU group is past Calix end of service life (last group Aug 2025). 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 2020
Last date of support
Aug 2025
Part numbers
3
14
months past last support
Why this score
- Past end of service life 14 months 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 |
|---|---|---|---|---|
| 000-01174 | GS4227E, 2.5G WAN, 4 GE LAN, dual band | Jun 2020 | Aug 2025 | Past support |
| 000-01175 | GS4220E, GE WAN, 4 GE LAN, dual band Wi-Fi | Jun 2020 | Aug 2025 | Past support |
| 100-05494 | GM1028, Dual band 2x2 Wi-Fi 6, GE LAN/WAN | Jun 2020 | Aug 2025 | Past support |
Options from here
The Calix GigaSpire u12 (GS2020E) & GM1020 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. Current eBay listings for Calix GigaSpire u12 (GS2020E) & GM1020 ↗
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 GigaSpire u12 (GS2020E) & GM1020 — questions
Is the Calix GigaSpire u12 (GS2020E) & GM1020 end of life?
Yes. Every tracked GigaSpire u12 (GS2020E) & GM1020 SKU group is past its last date of support.
What is the last date of support for the GigaSpire u12 (GS2020E) & GM1020?
Aug 2025, per the Calix end-of-sale bulletin.
Where do these GigaSpire u12 (GS2020E) & GM1020 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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