ZyXEL GS1900-8 rev A1

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multiple revisions of this device, use caution
8-Port Gigabit Smart Managed Switch
WikiDevi.wi-cat.ru ZyXEL GS1900-8
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Supported
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
Brand • Model • Rev ZyXEL GS1900-8 rev A1
CPU1 checkY Realtek RTL8380M
CPU1 Type MIPS 4KEc
CPU1 Speed 500 MHz
Flash1 Chip Macronix MX25L12835F
Flash1 Size 16 MiB 16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br /> (SPI NOR)
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 /> (DDR2)
RAM1 Chip Nanya NT5TU128M8HE-AC
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 managed

Ethernet OUI: 98:0D:67 (1 E, -)

Expansion IF types none specified
Stock bootloader U-Boot
Power 12 VDC, 1 A
Connector type barrel
5.5 mm (OD)
2.1 mm (ID)
9.5 mm (LEN)
Serial Port (UART) yes, 4-pin header, populated, JP2, 3.3V TTL, (115200 8N1)
JTAG Port yes, 20-pin header, unpopulated, J11
Other
Flags:
Smart switch, LACP, SNMP, MSTP, RSTP, metal case, heatsink, power switch
3rd Party Firmware Support OpenWrt • (List | Dev | DLs)

Additional chips
Serial GPIO/LED Display Controller;Realtek;RTL8231;;2;
5-12V, 300kHz Synchronous Buck Controller;ANPEC;APW7165;;1;
3A, 24V, 340kHz Synchronous Buck Converter;ANPEC;APW7313;;2;
30V, 18A N-Channel MOSFET;CYStech;MTB06N03Q8;;2;

Retail
(Est.) release date March 2014
(Est.) initial retail price (in USD) $99
UPC 760559120986
(UPC DB, On eBay)
EAN 4718937571918
(UPC DB, On eBay)
ASIN B00GU1KTY0
Country of manuf China
 Switch brandSwitch2 brand
ZyXEL GS1900-10HPRealtek
ZyXEL GS1900-16Realtek
ZyXEL GS1900-24 rev A1Realtek
ZyXEL GS1900-24ERealtek
ZyXEL GS1900-24EPRealtek
ZyXEL GS1900-24HPRealtek
ZyXEL GS1900-24HP rev B1Realtek
ZyXEL GS1900-8 rev A1Realtek
ZyXEL GS1900-8 rev B1Realtek
ZyXEL GS1900-8HP rev A1Realtek
ZyXEL GS1900-8HP rev B1Realtek
ZyXEL GS1900-8HP rev B2RealtekRealtek

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

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

Overview

  • "V1.2" and "37ZY-G708CO+412" are silkscreened on board.

Specifications

  • Processor: Realtek RTL8380M Multi-Layer Managed Switch
Controller with Embedded MIPS 4KEc @500MHz
  • Flash/RAM: 16MB (SPI NOR) Flash, 128MB RAM (DDR2)
  • 8x Gigabit Ethernet ports
  • 16Gbps switching capacity

Links of Interest

Support page

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
LAN Hardware: Realtek RTL8380M
WLAN Hardware: none
Installation method(s):
U-Boot TFTP + serial recovery
Recovery method(s):
U-Boot TFTP recovery
git • >> 
realtek: Add ZyXEL GS1900-8
The ZyXEL GS1900-8 is a 8 port switch without any PoE functionality or
SFP ports, but otherwise similar to the other GS1900 switches.

Specifications
--------------
* Device:    ZyXEL GS1900-8 v1.2
* SoC:       Realtek RTL8380M 500 MHz MIPS 4KEc
* Flash:     Macronix MX25L12835F 16 MiB
* RAM:       Nanya NT5TU128M8GE-AC 128 MiB DDR2 SDRAM
* Ethernet:  8x 10/100/1000 Mbit
* LEDs:      1 PWR LED (green, not configurable)
             1 SYS LED (green, configurable)
             8 ethernet port status LEDs (green, SoC controlled)
* Buttons:   1 on-off glide switch at the back (not configurable)
             1 reset button at the right side, behind the air-vent
               (not configurable)
             1 reset button on front panel (configurable)
* Power      12V 1A barrel connector
* UART:      1 serial header (JP2) with populated standard pin connector on
             the left side of the PCB, towards the back. Pins are labelled:
             + VCC (3.3V)
             + TX (really RX)
             + RX (really TX)
             + GND
             the labelling is done from the usb2serial connector's point of
             view, so RX/ TX are mixed up.

Serial connection parameters for both devices: 115200 8N1.

Installation
------------
Instructions are identical to those for the GS1900-10HP and GS1900-8HP.

* Configure your client with a static 192.168.1.x IP (e.g. 192.168.1.10).
* Set up a TFTP server on your client and make it serve the initramfs
  image.
* Connect serial, power up the switch, interrupt U-boot by hitting the
  space bar, and enable the network:
  > rtk network on
* Since the GS1900-10HP is a dual-partition device, you want to keep the
  OEM firmware on the backup partition for the time being. OpenWrt can
  only boot off the first partition anyway (hardcoded in the DTS). To
  make sure we are manipulating the first partition, issue the following
  commands:
  > setsys bootpartition 0
  > savesys
* Download the image onto the device and boot from it:
  > tftpboot 0x84f00000 192.168.1.10:openwrt-realtek-generic-zyxel_gs1900-8-initramfs-kernel.bin
  > bootm
* Once OpenWrt has booted, scp the sysupgrade image to /tmp and flash it:
  > sysupgrade /tmp/openwrt-realtek-generic-zyxel_gs1900-8-squashfs-sysupgrade.bin

Pictures

User Images
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