====== Netgear GS728TPv2 ======

{{wiki:netgear-gs728tp.jpg?200}}

The Netgear GS728TPv2 is a 24 + 4-port Gigabit L2 switch with 24 gigabit ports.

===== Hardware =====
  * [[rtl839x|RTL8391M]] SoC
  * 3 * [[RTL8218B]] external PHY
  * RTL8214QF external PHY for SFP cages
  * [[rtl8231|RTL8231]] PIO extender controls the port LEDs of the SFP cages
  * MSP430FR2311 microcontroller for fan control
  * Nuvoton M0516LDN microcontroller (SoC-PoE management)
  * 3 * Broadcom BCM5912100 PoE controllers
  * Maxim MAX3421E USB 1.1 Peripheral/Host Controller
  * 32MB Flash in an MXIC MX25L25635FMT

4 Uplink ports are SFP cages which support 1000 Base-X tmini GBIC modules.

Power is supplied via a 230 volt mains connector, with an internal power supply for 12 and 54 Volt.

The board has a hard reset switch SW1, which is is not reachable from the outside. CN1 provides a 3.3V UART, the pins are marked. From CN1 a cable leads to a conversion pcb for a 12V RS232 serial connector, which is accessible on the router's back.

==== Board details ====

There are 5 PCBs, a main PCB, a power supply, a PCB for PoE, a UART-RS232 converter, and a smaller PCB for Leds, USB-port and buttons.

^ Board ^ Pictures ^
| Overview | {{wiki:gs728tpv2_overview.jpg?200}} |
| Main board | {{wiki:gs728tpv2_board.jpg?200}} {{wiki:gs728tpv2_msp430.jpg?200}} {{wiki:gs728tpv2_fan.jpg?200}} {{wiki:gs728tpv2_usb.jpg?200}} {{wiki:gs728tpv2_rtl8214qf.jpg?200}} {{wiki:gs728tpv2_back.jpg?200}} |
| PoE injector board | {{wiki:gs728tpv2_poe_upper.jpg?200}} {{wiki:gs728tpv2_poe_lower.jpg?200}} |





===== Firmware =====

It ships with a bootloader based on Realtek's SDK for RTL83xx SoCs and Linux 3.18 based on Realtek's second generation SDK. It has a web interface for all management functions.

==== OpenWrt Support ====
There is experimental hardware support for the device in OpenWrt. SFP does not work, nor does USB and fan control.

===== References =====
  * [[https://www.netgear.de/images/datasheet/switches/GS728TPv2_GS728TPPv2_GS752TPv2_GS752TPP.pdf | Product datasheet]]
  * [[https://www.ti.com/product/MSP430FR2311 | MSP430FR2311 product brief ]]
  * [[https://www.nuvoton.com/products/microcontrollers/arm-cortex-m0-mcus/m051-base-series/m0516ldn/?__locale=en | Nuvoton M0516LDN product brief ]]
  * [[https://www.maximintegrated.com/en/products/interface/controllers-expanders/MAX3421E.html | Maxim MAX3421E product brief ]]
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