zyxel_gs1920_series

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Zyxel GS1920 series

The GS1920 series is a line of managed gigabit ethernet switches. Two revisions exist, but both are built with Realtek hardware.

Switch name RJ45 ports Combo SFP ports Dedicated SFP ports PoE ports
GS1920-24 28 4 - -
GS1920-24HP 28 4 - 24
GS1920-48 48 4 2 -
GS1920-48HP 48 4 2 48
GS1920-8HPv2 10 2 - 8
GS1920-24v2 28 4 - -
GS1920-24HPv2 28 4 - 24
GS1920-48v2 48 4 2 -
GS1920-48HPv2 48 4 2 48

Hardware

  • SoC: RTL839x
  • Ethernet:
    • 3× RTL8218 (to be confirmed)
    • 1× RTL???? (combo ports)
  • RAM: Nanya NT5CB64M16FP-DH, 128MiB DDR3
  • Flash: Macronix MX25L1283F, 16MiB SPI NOR
  • PoE controller: STM32F100
  • PoE PSE: 6× BCM59111
  • GPIO: 4× RTL8231
    • HC164 shift register for device status LEDs
  • 3× DC-fan with RPM control
  • Sipex SP3232 RS-232 transceiver
  • zyxel_gs1920_series.1603223773.txt.gz
  • Last modified: 2020/10/20 19:56
  • by svanheule