EnGenius EWS2910P

The EWS2910P is a 8-port Gigabit PoE L2 switch with 2 SFP ports and a fan-less design. It can provide up to 61.6 Watts of PoE power on the 8 Gigabit ports.

  • Macronix MX25L25635EMI (32MB flash)
  • (Nanya NT5CC256M8IN (256MB DDR3 SDRAM)
  • RTL8231 GPIO extender to control the port LEDs, system LED and a reset button.
  • STMicro ARM microcontroller to manage PoE
  • 2x Broadcom BCM59111KMLG PoE controllers
  • STMicro PM8803 PoE-PD Interface and PWM Controller

2 Uplink ports are SFP cages which support 1000 Base-X mini GBIC modules.

Power is supplied via a 48V 1.75A (optional 54V 1.66A) barrel connector.

A 3.3V TTL Serial header is found at JP1. Pins are marked G (Ground) R (Receive) T (Transmit) V (Voltage). Serial connection is via 115200 baud, 8N1.


  • J1.1: GND
  • J1.2: RX
  • J1.3: TX
  • J1.4: VCC, 3.3V

The switch ships with U-Boot 2011.12 and ucLinux 2.6.19. It has a web interface for basic management, including firmware updates. The board identifies as RTL8380M_INTPHY_2FIB_1G_DEMO.

Flash layout
Name u-boot u-boot-env device-info config log firmware1 firmware2
Size 512k 64k 64k 14M 2M 8M 8M
  • ews2910p.txt
  • Last modified: 2023/02/12 09:29
  • by raylynnknight