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Move Adtran SDX 621i to the XGS-PON section and complete its specs #500

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Merged
simonebortolin merged 1 commit into from
Oct 9, 2026
Merged

Move Adtran SDX 621i to the XGS-PON section and complete its specs #500

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43 changes: 43 additions & 0 deletions ont-xgs/ont-adtran-sdx-621i.md
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---
title: Adtran SDX 621i
has_children: false
parent: Adtran
---

# Hardware Specifications

| | |
| --------------- | -------------------------------- |
| Vendor/Brand | Adtran |
| Model | SDX 621i |
| Part Number | 1287844F1 |
| Chipset | |
| Flash | |
| RAM | |
| System | |
| Standard | XGS-PON (ITU-T G.9807.1) |
| Management | OMCI (ITU-T G.988) |
| Ethernet | 1x 1GbE RJ-45 |
| 2.5GBaseT | No |
| Optics | SC/APC |
| IP address | |
| Web Gui | |
| SSH | |
| Telnet | |
| Serial | |
| Serial baud | |
| Serial encoding | |
| Form Factor | ONT |
| Weight | 1.15 lbs (~520 g) |
| Dimensions | 10" x 6.25" x 2.75" (254 x 159 x 70 mm) |

The SDX 621i is the 1GbE variant of the Adtran 621 family of XGS-PON single family unit (SFU) ONTs. It supports remote activation/deactivation, remote firmware upgrades/downgrades and remote OMCI management.

## List of software versions

## List of partitions

# Miscellaneous Links

- [Adtran SDX series](https://www.adtran.com/solutions/by-segment/products/by-category/fiber-access/optical-network-terminals-ont)
- [ISP Supplies - Adtran SDX 621i (1287844F1)](https://www.ispsupplies.com/Adtran-1287844F1)
4 changes: 4 additions & 0 deletions ont-xgs/ont-adtran.md
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title: Adtran
has_children: true
---
31 changes: 2 additions & 29 deletions ont/ont-adtran-sdx-621i.md
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---
title: Adtran SDX 621i
has_children: false
redirect_to: /xgs/ont-adtran-sdx-621i
nav_exclude: true
parent: Adtran
---

# Hardware Specifications

| | |
| --------------- | -------------------------------- |
| Vendor/Brand | Adtran |
| Model | SDX 621i |
| Chipset | |
| Flash | |
| RAM | |
| System | |
| 2.5GBaseT | No |
| Optics | SC/APC |
| IP address | |
| Web Gui | |
| SSH | |
| Telnet | |
| Serial | |
| Serial baud | |
| Serial encoding | |
| Form Factor | ONT |

## List of software versions

## List of partitions

# Miscellaneous Links

- [Adtran SDX series](https://www.adtran.com/solutions/by-segment/products/by-category/fiber-access/optical-network-terminals-ont)
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