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Optical network terminal

Calix T072G, T073G, T076G and T077G ONTs — End-of-Life & EOSL Dates

Calix T072G, T073G, T076G and T077G ONTs — end-of-sale and end-of-support dates by part number, from the Calix Customer Advisory Bulletin cited below.

Is the Calix T072G, T073G, T076G and T077G ONTs end of life?

Past end of service

16/100

Little or no runway

Support Runway Score

Every tracked Calix T072G, T073G, T076G and T077G ONTs SKU group is past Calix end of service life (last group Sep 2022). Units in production should be treated as unsupported. For past-EOSL units, weigh third-party maintenance, spares, replacement, or a documented run-to-failure.

Why this score

Past end of service life — 47 months ago
Vendor-published date, source-linked
Category: optical network terminal

The score reflects support-lifecycle timing and source confidence only — higher means more support runway. It is not a risk, safety or compliance rating. How it’s calculated →

Action priority

Critical

Every tracked part number is past end of service life — unsupported by the vendor.

End of service life

Sep 2022

Part numbers

Confidence

Vendor-published date

Last verified

Aug 2026

Source

Calix bulletin ↗

Check your part numbers in bulk →

T072G, T073G, T076G and T077G ONTs

EOSL — PAST

47 mo

past end of service

now

availableend of saleservice

End of saleApr 2017

End of serviceSep 2022Calix bulletin ↗

31 SKUs in this group

47mo past 100-03563T072G HGU ONT-EU T072G HGU, 2 POTS, 4 GE -EU Power

47mo past 100-03576T073G HGU ONT-EU T073G HGU, 2 POTS, 4 GE, 1 WIFI (2.4GHz) -EU Power

47mo past 100-03564T076G HGU ONT-EU T076G HGU, 2 POTS, 4 GE, 1 RF -EU Power

47mo past 100-03577T077G HGU ONT-EU T077G HGU, 2 POTS, 4 GE, 1 RF, 1 WIFI (2.4GHz) -EU

47mo past 000-00796T072G HGU ONT-AM T072G HGU, 2 POTS, 4 GE -AM Power Type A

47mo past 000-00811T072G HGU ONT-AR T072G HGU, 2 POTS, 4 GE -AR Power Type I

47mo past 000-00806T072G HGU ONT-AU T072G HGU, 2 POTS, 4 GE -AU/NZ Power Type I

47mo past 000-00791T072G HGU ONT-EU T072G HGU, 2 POTS, 4 GE -EU Power Type C

47mo past 000-00801T072G HGU ONT-UK T072G HGU, 2 POTS, 4 GE -UK Power Type G

47mo past 000-00797T073G HGU ONT-AM T073G HGU, 2 POTS, 4 GE, 1 WIFI (2.4GHz) -AM Power Type A

47mo past 000-00812T073G HGU ONT-AR T073G HGU, 2 POTS, 4 GE, 1 WIFI (2.4GHz) -AR Power Type I

47mo past 000-00807T073G HGU ONT-AU T073G HGU, 2 POTS, 4 GE, 1 WIFI (2.4GHz) -AU/NZ Power Type I

47mo past 000-00792T073G HGU ONT-EU T073G HGU, 2 POTS, 4 GE, 1 WIFI (2.4GHz) -EU Power Type C

47mo past 000-00802T073G HGU ONT-UK T073G HGU, 2 POTS, 4 GE, 1 WIFI (2.4GHz) -UK Power Type G

47mo past 000-00826T073G-2 HGU ONT-AM T073G-2 HGU, 2 POTS, 4 GE, 1 WIFI (2.4GHz) -AM Power Type A

47mo past 000-00829T073G-2 HGU ONT-AR T073G-2 HGU, 2 POTS, 4 GE, 1 WIFI (2.4GHz) -AR Power Type I

47mo past 000-00828T073G-2 HGU ONT-AU T073G-2 HGU, 2 POTS, 4 GE, 1 WIFI (2.4GHz) -AU/NZ Power Type

47mo past 000-00825T073G-2 HGU ONT-EU T073G-2 HGU, 2 POTS, 4 GE, 1 WIFI (2.4GHz) -EU Power Type C

47mo past 000-00827T073G-2 HGU ONT-UK T073G-2 HGU, 2 POTS, 4 GE, 1 WIFI (2.4GHz) -UK Power Type G

47mo past 000-00793T076G HGU ONT-EU T076G HGU, 2 POTS, 4 GE, 1 RF -EU Power Type C

47mo past 000-00798T076G HGU ONT-AM T076G HGU, 2 POTS, 4 GE, 1 RF -AM Power Type A

47mo past 000-00803T076G HGU ONT-UK T076G HGU, 2 POTS, 4 GE, 1 RF -UK Power Type G

47mo past 000-00808T076G HGU ONT-AU T076G HGU, 2 POTS, 4 GE, 1 RF -AU/NZ Power Type I

47mo past 000-00813T076G HGU ONT-AR T076G HGU, 2 POTS, 4 GE, 1 RF -AR Power Type I

47mo past 000-00799T077G HGU ONT-AM T077G HGU, 2 POTS, 4 GE, 1 RF, 1 WIFI (2.4GHz) -AM Power Type

47mo past 000-00814T077G HGU ONT-AR T077G HGU, 2 POTS, 4 GE, 1 RF, 1 WIFI (2.4GHz) -AR Power Type

47mo past 000-00809T077G HGU ONT-AU T077G HGU, 2 POTS, 4 GE, 1 RF, 1 WIFI (2.4GHz) -AU/NZ Power

47mo past 000-00794T077G HGU ONT-EU T077G HGU, 2 POTS, 4 GE, 1 RF, 1 WIFI (2.4GHz) -EU Power Type

47mo past 000-00804T077G HGU ONT-UK T077G HGU, 2 POTS, 4 GE, 1 RF, 1 WIFI (2.4GHz) -UK Power Type

47mo past 100-04258Available

47mo past 100-04260Available

Options from here

Unsupported now

The Calix T072G, T073G, T076G and T077G ONTs is past Calix end of service life. These are the paths teams take from here:

Third-party maintenance

Keep it in production past the OEM cutoff with an independent maintainer.

Pre-stock spares

Buy spares now, while units still circulate on the secondary market.

Plan replacement

It is unsupported today — set a migration timeline and budget.

Run to failure

Low-criticality role — document the risk, harden backups, retire on your terms.

Check your exact part numbers → Weigh your support options →

Independent and informational — EOSL.ai sells no hardware or maintenance and lists no paid placements. Third-party maintenance keeps unsupported gear in production past the OEM cutoff; whether it fits depends on the asset's role.

Calix T072G, T073G, T076G and T077G ONTs — questions

Is the Calix T072G, T073G, T076G and T077G ONTs end of life?

Yes — every tracked T072G, T073G, T076G and T077G ONTs SKU group is past its last date of support.

What is the last date of support for the T072G, T073G, T076G and T077G ONTs?

Sep 2022 — per the Calix end-of-sale bulletin.

Where do these T072G, T073G, T076G and T077G ONTs 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

Embed this status on your wiki or README

A live badge that shows this model's support status and links here — it refreshes when the vendor date changes.

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<a href="https://eosl.ai/system/calix-t072g-t073g-t076g-and-t077g-onts/"><img src="https://eosl.ai/badge/calix-t072g-t073g-t076g-and-t077g-onts.svg" alt="Calix T072G, T073G, T076G and T077G ONTs EOL / EOSL status"></a>

Markdown

[![Calix T072G, T073G, T076G and T077G ONTs EOL / EOSL status](https://eosl.ai/badge/calix-t072g-t073g-t076g-and-t077g-onts.svg)](https://eosl.ai/system/calix-t072g-t073g-t076g-and-t077g-onts/)