diff --git a/ont-xgs/ont-adtran-sdx-621i.md b/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)
diff --git a/ont-xgs/ont-adtran.md b/ont-xgs/ont-adtran.md
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+---
+title: Adtran
+has_children: true
+---
diff --git a/ont/ont-adtran-sdx-621i.md b/ont/ont-adtran-sdx-621i.md
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--- a/ont/ont-adtran-sdx-621i.md
+++ b/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)