Netgear GS108Tv3

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multiple revisions of this device, use caution
ProSafe 8 Port Gigabit Smart Switch
Support Support page
WikiDevi.wi-cat.ru Netgear GS108Tv3
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Partial Support
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
Brand • Model • Rev Netgear GS108T v3 (rev A1)
Board ID 2976593702
CPU1 checkY Realtek RTL8380M
CPU1 Type MIPS 4KEc
CPU1 Speed 500 MHz
Flash1 Chip Macronix MX25L25635F
Flash1 Size 32 MiB 33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br />
RAM1 Size 128 MiB 134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Chip Winbond W631GG8MB
ETH chip1 Realtek RTL8380M
Switch Realtek RTL8380M
Ethernet Port Count 8-1GbE
Ethernet connector 8P8C
Wired Standard IEEE 802.3i/3u/3ab
Auto-MDIX supported
Jumbo frame yes
Switch Class smart

Ethernet OUI: 9C:C9:EB (1 E, -)

Expansion IF types none specified
Stock bootloader U-Boot
PoE 802.3af, standard
Power 12 VDC, 1 A
Connector type barrel
Serial Port (UART) yes, 4-pin header, 3.3V TTL, (115200 8N1)
Other
Manuf/OEM/ODM Delta Networks
Flags:
metal case, Link Aggregation, smart switch, heatsink
3rd Party Firmware Support OpenWrt • (List | Dev | DLs)

Additional chips
Serial GPIO/LED Display Controller;Realtek;RTL8231;;1;
15W PoE PD Controller;MPS;MP8001;;1;
Monolithic Flyback/Forward DC-DC Converter;MPS;MP6002;;1;
3A Schottky Barrier Rectifier;Diodes Inc;B340A;;3;
8-bit Serial-in, Parallel-out Shift Register;NXP;74HC164D;;2;
3-State Quad Buffer/Line Driver;NXP;74LVC125A;;1;
1-Channel Photocoupler;LiteOn;LTV-817;;2;

Retail
(Est.) release date September 2019
UPC 606449138610
(UPC DB, On eBay)
ASIN B07PS6Z162
Country of manuf Thailand
 Switch brandSwitch2 brand
Netgear GS108 v1Altima
Netgear GS108 v2Broadcom
Netgear GS108 v3Broadcom
Netgear GS108 v4Broadcom
Netgear GS108E v3Broadcom
Netgear GS108PE v3Broadcom
Netgear GS108T-200NASBroadcom
Netgear GS108Tv1Broadcom
Netgear GS108Tv2Broadcom
Netgear GS108Tv3Realtek

For a list of all currently documented Realtek chipsets with specifications, see Realtek.

For a list of all currently documented Netgear devices with specifications, see Netgear.

Overview

Specifications

  • Processor: Realtek RTL8380M Multi-Layer Managed Switch
Controller with Embedded MIPS 4KEc @500MHz
  • Flash/RAM: 32MB (SPI NOR) Flash, 128MB RAM (DDR3L)
  • 8x Gigabit Ethernet ports, 1 w/ PD for PoE af input
  • 16Gbps switching capacity
See also: Netgear GS108Tv1 and Netgear

Links of Interest

PCB ID: "2976593702" (Delta Networks))

Flashing

Flashing OpenWrt

Target: realtek
Subtarget: rtl838x
Package architecture: mips_4kec
Supported Since Commit
Support started version: 21.02.0
Current supported version: 25.12.1
Unsupported Functions:
Ethernet LEDs
LAN Hardware: Realtek RTL8380M
WLAN Hardware: none
WLAN Comment: No WLAN
Installation method(s):
GUI OEM, U-Boot TFTP + serial recovery, see git-commit
Install Comment:
Default access to SSH or Luci only via VLAN 100
Recovery method(s):
U-Boot TFTP + serial recovery
Comment:
Ethernet LEDs do not work on OpenWrt
git • >> 
realtek: add support for Netgear GS108T v3
The Netgear GS108T v3 is an 8 port gigabit switch with PoE-PD support
on port 1.  The two prior versions were built using eCos and are not
currently compatible with OpenWRT.

The GS108T v3 is quite similar to both the GS110TPP v1 and GS110TP v3,
all of which use the same firmware image from Netgear.  For this reason,
the device tree is identical aside from the model and compatible values.

All of the above feature a dual firmware layout, referred to as Image0
and Image1 in the Netgear firmware.

Hardware specification
----------------------

 * RTL8380M SoC, 1 MIPS 4KEc core @ 500MHz
 * 128MB DDR3-1600 DRAM (Winbond W631GG8MB-12)
 * 32MB 3v NOR SPI Flash (Macronix MX25L25635F or Winbond W25Q256JVFIQ)
 * RTL8231 GPIO extender to control the LEDs and the reset button
 * 8 x 10/100/1000BASE-T ports, internal PHY (RTL8218B)
 * UART (115200 8N1) via unpopulated standard 0.1" pin header marked J1
 * Power is supplied via a 12V 1A barrel connector or 802.3af

UART pinout
-----------

J1 | [o]ooo
      ^ ||`------ GND
      | |`------- RX         [TX out of the serial adapter]
      | `-------- TX         [RX into the serial adapter]
      `---------- Vcc (3V3)  [the square pin]

The through holes are filled with PB-free solder which melts at 375C.
They can also be drilled using a 0.9mm bit.

Build configuration
-------------------

 * Target System: Realtek MIPS
 * Target Profile: Netgear GS108T v3
 * Target Images -> ramdisk -> Compression: lzma
 * Disable other target images

Boot initramfs image from U-Boot
--------------------------------

 1. Press the Escape key at the `Hit Esc key to stop autoboot` prompt
 2. Init network with `rtk network on` command
 3. Load image with `tftpboot 0x8f000000 openwrt-realtek-generic-netgear_gs108t-v3-initramfs-kernel.bin` command
 4. Boot the image with `bootm` command

The switch defaults to IP 192.168.1.1 and tries to fetch the image via
TFTP from 192.168.1.111.

Updating the installed firmware
-------------------------------

The OpenWRT ramdisk image can be flashed directly from the Netgear UI.
The Image0 slot should be used in order to enable sysupgrade.

As with similar switches, changing the active boot partition can be
accomplished in U-Boot as follows:

 1. Press the Escape key at the `Hit Esc key to stop autoboot` prompt
 2. Run `setsys bootpartition {0|1}` to select the boot partition
 3. Run `savesys` followed by `boota` to proceed with the boot process
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