ZyXEL GS1900-48
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| 48-port GbE Smart Managed Switch | ||||||||||
 | ||||||||||
| Homepage | Product page | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| WikiDevi.wi-cat.ru | ZyXEL GS1900-48 | |||||||||
| 3rd Party Firmware | ||||||||||
| dd-wrt | Status Unknown | |||||||||
| OpenWrt | Supported | |||||||||
| Tomato any flavor | Incompatible | |||||||||
| Gargoyle | Status Unknown | |||||||||
| Platform | ||||||||||
| Brand • Model • Rev | ZyXEL GS1900-48 v1 | |||||||||
| Board ID | 2976441202 | |||||||||
CPU1  | Realtek RTL8393M | |||||||||
| CPU1 Type | MIPS 34Kc | |||||||||
| CPU1 Speed | 700 MHz 32-bit | |||||||||
| Bus | 32-bit | |||||||||
| Flash1 Chip | Macronix MX25L12805D | |||||||||
| Flash1 Size | 16 MiB 16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 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 | Nanya Model? | |||||||||
| ETH chip1 | Realtek RTL8393M | |||||||||
| ETH chip2 | Realtek RTL8218B | |||||||||
| ETH chip3 | Realtek RTL8218B | |||||||||
| ETH chip4 | Realtek RTL8218B | |||||||||
| ETH chip5 | Realtek RTL8218B | |||||||||
| ETH chip6 | Realtek RTL8218B | |||||||||
| ETH chip7 | Realtek RTL8218B | |||||||||
| Switch | Realtek RTL8393M | |||||||||
| Ethernet Port Count | 48-1GbE | |||||||||
| Ethernet connector | 8P8C | |||||||||
| Wired Standard | IEEE 802.3i/3u/3ab | |||||||||
| Auto-MDIX | supported | |||||||||
| Jumbo frame | yes | |||||||||
| Switch Class | smart | |||||||||
| Expansion IF types | SFP | |||||||||
| SFP ports | 2 | |||||||||
| Stock bootloader | U-Boot | |||||||||
| Power | 100-240 VAC ~ 50/60 Hz, 0.5 A | |||||||||
| Connector type | C13 | |||||||||
| Serial Port (UART) | yes, 10-pin header, populated, 12V RS232, J4, 3.3V TTL, (115200 8N1) | |||||||||
| JTAG Port | yes, 14-pin header, unpopulated, J5 | |||||||||
| Other | ||||||||||
|
| ||||||||||
| Manuf/OEM/ODM | Delta Networks | |||||||||
|
Flags: Smart switch, SFP, LACP, SNMP, MSTP, RSTP, heatsink, metal case | ||||||||||
| 3rd Party Firmware Support |
OpenWrt • (List | Dev | DLs) | |||||||||
|
Additional chips | ||||||||||
| Retail | ||||||||||
| (Est.) release date | September 2014 | |||||||||
| ASIN |
B00N4W9PS4  | |||||||||
| Country of manuf | China | |||||||||
| ||||||||||
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
'Web Smart' L2 managed switch
- PCB ID: (PCB image)
Links of Interest
Flashing
 | NOTE: During configuration or flashing a device, the only things that should be hooked to the device is the computer and power. |
Flashing OpenWrt
Target: realtek
Subtarget: rtl839x
Package architecture: mips_24kc
Support started version: 22.03.0
Current supported version: 25.12.2
Subtarget: rtl839x
Package architecture: mips_24kc
Support started version: 22.03.0
Current supported version: 25.12.2
LAN Hardware: Realtek RTL8393M
WLAN Hardware: none
WLAN Comment: No WLAN
Installation method(s):
GUI OEM, U-Boot TFTP + serial recovery
Recovery method(s):
U-Boot TFTP + serial recovery
WLAN Hardware: none
WLAN Comment: No WLAN
Installation method(s):
GUI OEM, U-Boot TFTP + serial recovery
Recovery method(s):
U-Boot TFTP + serial recovery
| git • >> |
|---|
realtek: Add support for ZyXEL GS1900-48 Switch
The GS1900-48 is a 48 + 2 port Gigabit L2 switch with 48 gigabit ports.
Hardware:
RTL8393M SoC
Macronix MX25l12805D (16MB flash)
128MB RAM
6 * RTL8218B external PHY
2 * RTL8231 GPIO extenders to control the port LEDs, system LED and
Reset button
2 Uplink ports are SFP cages which support 1000 Base-X mini GBIC modules.
Power is supplied via a 230 volt mains connector.
The board has a hard reset switch SW1, which is is not reachable from the outside.
J4 provides a 12V RS232 serial connector which is connected through U8 to
the 3.3V UART of the RTL8393. Conversion is done by U8, a SIPEX 3232EC.
To connect to the UART, wires can be soldered to R603 (TX) and R602 (RX).
Installation:
Install the squashfs image via Realtek's original Web-Interface.
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