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logicog eeded0f788 Add (Horaco) ZX310S-4T2XT

The ZX310S-4T2XT is a managed device with 2x2.5GBit and 2x10GBit Ethernet.
It is sold, among others, by Horaco as an unbranded device.

CPU: RTL8372
Flash: 2MByte Winbond W25Q16DV (U3)
PHY 2x RTL8261BE

2026-06-10 05:45:19 +02:00

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ZX310S-4T2XT

The following is a documentation for the managed switch marked as ZX310S-4T2XT and sold by Horaco.

The original software is running UART on 57600 baud rate 8N1.

CPU: RTL8372 Flash: 2MByte Winbond W25Q16DV (U3) PHY 2x RTL8261BE

Label specifications

Name:
Ports:
- 4 × RJ45: 10/100/1000/2500 Mbps
- 2 x RJ45: 10/100/1000/2500/5000/10000 Mbps
Power: 12V DC, 2A barrel connector

What works

The device is fully supported:

All 4 2.5GBASE-T RJ45 ports work at 10/100/1000/2500 Mbps, including EEE
The 10GBit ports works, including EEE.
LEDs work with the same indiciations as the OEM firmware

PCB overview

Board markings

Top silkscreen: PCB-SL310S-4T2XT-V1.0.0-22273

Top side

Bottom

J1, serial console

`J1` pin	Signal
1	TX (Output)
2	RX (Input)
3	GND
4	3V3

Power supply

Input power is delivered via barell plug, 12V 2A adapter was provided.

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