Add FiberMall GPON-ONU-STB+ device page

Add vendor parent page and device page for the FiberMall GPON-ONU-STB+
family of GPON ONU SFP sticks with MAC function.

Covers all four product variants (UPC/APC, C-Temp/I-Temp) with datasheet
specifications, optical characteristics, and standards compliance.

Created from vendor datasheet and product listing - contributions with
hands-on information (chipset, firmware, access details) are welcome.

Author: Jaylouisw

_ont/ont-fibermall-gpon-onu-stb+.md

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+---
+title: FiberMall GPON-ONU-STB+
+has_children: false
+layout: default
+parent: FiberMall
+---
+
+# Hardware Specifications
+
+|                       |                                                                       |
+| --------------------- | --------------------------------------------------------------------- |
+| Vendor/Brand          | FiberMall                                                             |
+| Model                 | GPON-ONU-STB+ (SC/UPC) / GPON-ONU-STAB+ (SC/APC)                    |
+| Chipset               | Unknown                                                               |
+| Flash                 |                                                                       |
+| RAM                   |                                                                       |
+| System                |                                                                       |
+| HSGMII                |                                                                       |
+| Optics                | SC/UPC or SC/APC                                                      |
+| IP address            |                                                                       |
+| Web Gui               |                                                                       |
+| SSH                   |                                                                       |
+| Telnet                |                                                                       |
+| Serial                |                                                                       |
+| Form Factor           | miniONT SFP                                                           |
+
+## Vendor Datasheet Specifications
+
+|                              |                                        |
+| ---------------------------- | -------------------------------------- |
+| TX Data Rate                 | 1.244 Gbps                             |
+| RX Data Rate                 | 2.488 Gbps                             |
+| TX Wavelength                | 1310 nm (DFB)                          |
+| RX Wavelength                | 1490 nm (APD-TIA)                      |
+| Optical Power (TX)           | +0.5 to +5.0 dBm                      |
+| Receiver Sensitivity         | -28 dBm                                |
+| Saturation Optical Power     | -8 dBm                                 |
+| Class                        | B+                                     |
+| Max Distance                 | 20 km                                  |
+| Fiber Type                   | Single Mode (9/125 µm)                 |
+| Power Supply                 | 3.3V single supply                     |
+| Power Dissipation            | 2.48 W typical                         |
+| Operating Temperature        | 0 to 70°C (C-Temp) / -40 to 85°C (I-Temp) |
+| DDM                          | ✅ SFF-8472                            |
+
+## Product Variants
+
+| Part Number      | Connector | Temperature | Description                                                                              |
+| ---------------- | --------- | ----------- | ---------------------------------------------------------------------------------------- |
+| GPON-ONU-STB+    | SC/UPC    | 0 to 70°C   | SFP, 1.244G/2.488G, T1310nm/R1490nm, GPON Class B+, MAC inside, RoHS 6, DDM             |
+| GPON-ONU-ISTB+   | SC/UPC    | -40 to 85°C | Industrial temperature variant                                                           |
+| GPON-ONU-STAB+   | SC/APC    | 0 to 70°C   | SFP, 1.244G/2.488G, T1310nm/R1490nm, GPON Class B+, MAC inside, RoHS 6, DDM             |
+| GPON-ONU-ISTAB+  | SC/APC    | -40 to 85°C | Industrial temperature variant                                                           |
+
+## Standards Compliance
+
+- ITU-T G.984.2 / G.984.2 Amendment 1
+- ITU-T G.988 (OMCI)
+- SFP MSA (SFF-8074i)
+- SFF-8472 v9.5 (DDM)
+- FCC 47 CFR Part 15, Class B
+- FDA 21 CFR 1040.10 and 1040.11
+- IEC-60825 (Class 1 laser safety)
+
+## Notes
+
+- The GPON-ONU-STB+ is described as a dual-mode ONU stick: it supports both GPON and EPON ONU OAM and will automatically establish a link with either a GPON OLT or EPON OLT.
+- Pin 7 (RateSelect) is repurposed for Dying Gasp detection (input, active low).
+
+{% include alert.html content="This page has been created from the vendor datasheet and product listing only. Contributions with hands-on information (chipset identification, firmware details, serial/SSH access, IP address, web GUI, etc.) are very welcome." alert="Note" icon="svg-info" color="blu" %}
+
+# Miscellaneous Links
+
+- [FiberMall GPON-ONU-STAB+ product page (SC/APC)](https://www.fibermall.com/sale-462750-gpon-onu-sticak-sfp-class-b-apc.htm)
+- [FiberMall GPON-ONU-STB+ product page (SC/UPC)](https://www.fibermall.com/sale-437801-gpon-onu-sticak-sfp-class-b.htm)
+- [Datasheet (PDF)](https://www.fibermall.com/file/datasheet/gpon-onu-stb%2B.pdf)

_ont/ont-fibermall.md

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+---
+title: FiberMall
+has_children: true
+layout: default
+---