ZyXEL GS1900-8HP

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multiple revisions of this device, use caution
Gs1900 8hp.jpg
8-port GbE Smart Managed PoE Switch
WikiDevi.wi-cat.ru
Platform
Brand • Model • Rev
ZyXEL GS1900 -8HP V1.2
CPU1
Realtek RTL8380M
CPU1 Type
MIPS 4KEc
CPU1 Speed
500 MHz
CPU2
STMicro STM32F100C8
CPU2 Speed
24 MHz
Flash1 Type
SPI NOR
Flash1 Chip
Macronix MX25L12835FM2I-10G
Flash1 Size
16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
Flash2 Chip
STMicro STM32F100C8
Flash2 Size
64 KiB 0.0625 MiB <br />65,536 B <br />512 Kib <br />0.5 Mib <br />6.103516e-5 GiB <br />
RAM1 Size
128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Type
DDR2
RAM1 Chip
Nanya NT5TU128M8HE-AC
RAM2 Size
8 KiB 0.00781 MiB <br />8,192 B <br />64 Kib <br />0.0625 Mib <br />7.629395e-6 GiB <br />
RAM2 Chip
STMicro STM32F100C8
ETH chip1
Realtek RTL8380M
Switch Chip1
Realtek RTL8380M
Ethernet Port Count 8-1GbE
Ethernet connector 8P8C
Wired Standard unspecified
Auto-MDIX supported
Jumbo frame
yes
Switch Class
smart

Ethernet OUI: 4C:9E:FF (1 E, 1 W)

Expansion IF types
none specified
Stock bootloader
U-Boot  2011.12 39239-svn41394
Stock FW OS
ucLinux 2.6.19
Power
54 VDC, 1.66 A
Connector type
DIN
Serial Port (UART)
yes, 4-pin header, populated, 3.3V TTL, (115200,8,N,1), J2
JTAG Port
yes, 20-pin header, unpopulated, J1
Other
Default IP address
192.168.1.1
Default login user
admin
Default login password
1234
Flags
Smart switch, PoE+ switch, LACP, SNMP, MSTP, RSTP, metal case, heatsink
3rd Party Firmware Support
OpenWrt • (List | Dev | DLs)

Additional chips
Quad Int. 802.3at PSE Controller;Broadcom;BCM59111;;2;
Serial GPIO/LED Display Controller;Realtek;RTL8231;;2;
3.2A, 5V, 1MHz Synchronous Buck Converter;ANPEC;APW7323;;1;
75V, 3A Step-Down Switching Regulator;National Semi;LM5576;;1;
75V, 0.5A Step-Down Switching Regulator;National Semi;LM5574;;1;
300mA Transient Response LDO Regulator;Richtek;RT9166;;1;
High Isolation Voltage Photocoupler;NEC;PS2561;;3;
Dual-Channel Digital Isolator;TI;ISO7221B;;1;
Quadruple 2-Input Positive-And Gate;Nexperia;74LVC08A;;1;

3rd Party Firmware Support
OpenWrt • (List | Dev | DLs)
Retail
(Est.) release date July 2013
Country of manuf China
 Switch chip1 brandSwitch chip2 brand
ZyXEL GS1900-10HPRealtek
ZyXEL GS1900-24Realtek
ZyXEL GS1900-24ERealtek
ZyXEL GS1900-24EPRealtek
ZyXEL GS1900-24HPRealtek
ZyXEL GS1900-24HP v2Realtek
ZyXEL GS1900-8Realtek
ZyXEL GS1900-8HPRealtek
ZyXEL GS1900-8HP rev A1Realtek
ZyXEL GS1900-8HP rev B1Realtek

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

Overview[edit]

  • "GS1900-8HP" and "37ZY-1908PO+412 V1.2" are silkscreened on board.

Specifications[edit]

  • Processor: Realtek RTL8380M Multi-Layer Managed Switch
Controller with Embedded MIPS 4KEc @500MHz
  • Co-processor: STMicro STM32F100C8 to manage PoE
  • Flash/RAM: 16MB (SPI NOR) Flash, 128MB RAM (DDR2)
  • 8x Gigabit 802.3at Ethernet ports
  • 70W PoE budget
  • 16Gbps switching capacity

Links of Interest[edit]

Pictures[edit]

User Images

Notes[edit]

Hardware Modification[edit]

See also[edit]