EOM-104 Series

Features and Benefits

  •  10/100BaseT(X) and 100BaseFX Ethernet interfaces
  • Turbo Ring and RSTP/STP for network redundancy
  • SNMP and email alerts for event trapping and notifications
  • Two-thirds the size of a business card
  • Low power consumption
  • -40 to 75°C operating temperature range


Download datasheet


The EOM-104 Series is designed for device manufacturers who would like to embed Ethernet modules in their products to enhance performance and reliability. The EOM-104 Series provides an easy and cost-effective integrated solution for adding an Ethernet switch module to an existing product.

The modules support 10/100M Ethernet transmission and come with Turbo Ring’s fast recovery time of under 20 ms. The EOM-104 Series provides a rich set of peripherals, such as Turbo Ring Enable and GPIO programming pins, and is an ideal solution for embedded Ethernet applications.


Ethernet Interface
Standards IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X) and 100BaseFX
IEEE 802.3x for flow control
IEEE 802.1p for Class of Service
IEEE 802.1D-2004 for Spanning Tree Protocol
IEEE 802.1w for Rapid Spanning Tree Protocol
10/100BaseT(X) Port EOM-104: 4
EOM-104-FO: 2
100BaseFX Port EOM-104-FO: 2
EOM-104-FO 20PCS: 2
EOM-104-FO Evaluation Kit: 2
Connector 1 connector with 2 x 20 pins, 2 connectors with 1 x 9 pins, and 1 connector with 2 x 2 pins
GPIO 4 x Programmable I/O pins
Ethernet Software Features
Protocols BOOTP, DHCP Client, HTTP, RARP, RMON, SMTP, SNMPv1/v2c/v3, Syslog, Telnet, TFTP
MIB Bridge MIB, Ethernet-like MIB, MIB-II, P-BRIDGE MIB, RMON MIB Groups 1, 2, 3, 9, RSTP MIB
Switch Properties
MAC Table Size 1 K
Packet Buffer Size 512 kbits
Serial Interface
Console Port RS-232 (TxD, RxD, DTR, DSR)
Power Parameters
Input Current EOM-104: 0.48 A @ 3.3 VDC
EOM-104-FO: 1.1 A @ 3.3 VDC
Physical Characteristics
Dimensions 54 x 60 x 8.25 mm (2.13 x 2.36 x 0.32 in)
Weight 21 g (0.046 lb)
Environmental Limits
Operating Temperature -40 to 75°C (-40 to 167°F)
Storage Temperature (package included) -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity 5 to 95% (non-condensing)
Standards and Certifications
EMC EN 55032/24
EMI CISPR 32, FCC Part 15B Class A
Warranty Period 5 years
Details See www.moxa.com/warranty