Moxa - EOM-104 Ethernet Managed Switch Module
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Features and Benefits
- 10/100 Mbps Ethernet Interface
- Turbo Ring, RSTP/STP for Ethernet Redundancy
- SNMP and e-mail alerts for event trapping and notification
- Two-thirds the size of a business card
- Low power consumption
- -40 to 75°C operating temperature range
Introduction
Moxa EOM-104 Ethernet managed switch module is designed for device manufacturers who would like to embed an Ethernet switch module in their products to enhance performance and reliability. The EOM-104 module provides an easy and cost-effective integrated solution for adding an Ethernet switch module to an existing product. The module supports 10/100 Mbps Fast Ethernet, and comes with Turbo Ring's fast recovery time of under 20 ms built in. The EOM-104 also provides a rich set of peripherals, such as Turbo Ring Enable and GPIO programming pins, and is an ideal solution for embedded Ethernet applications.
Evaluation Kit
The EOM Evaluation Kit includes an evaluation board, power adaptor, software CD, and serial and Ethernet cables to allow quick and easy evaluation of all embedded Ethernet switch functions. The evaluation board is equipped with an Ethernet port, console port, and Turbo Ring DIP switch to help you test your modules and applications.

| • Technology: | |
| Standards | IEEE 802.3 for 10BaseT IEEE 802.3u for 100BaseT(X) and 100BaseFX IEEE 802.3x for flow control IEEE 802.1D for Spanning Tree Protocol IEEE 802.1w for Rapid STP IEEE 802.1p for Class of service |
| Protocols | SNMPv1/v2c/v3, DHCP Client, BootP, TFTP, SMTP, RARP, RMON, HTTP, Telnet, Syslog |
| MIB | MIB-II, Ethernet-Like MIB, P-Bridge MIB, Bridge MIB, RSTP MIB, RMON MIB Group 1, 2, 3, 9 |
| Flow Control | IEEE 802.3x flow control |
| • interface: | |
| Connectors | 1 connector with 2 x 20 pins, 2 connectors with 1 x 9 pins, and 1 connector with 2 x 2 pins |
| Console Port | RS-232 (TxD, RxD, DTR, DSR) |
| GPIO | 4 programmable I/O pins |
| Ethernet Switch Ports | 4, 10/100BaseT(X), auto MDI/MDI-X |
| • Power Requirements: |
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| Input Voltage | 3.3 V |
| Input Current | 0.59 A @ 3.3 V |
| • Physical Characteristics: | |
| Dimensions | 54 x 60 x 8.25 mm (2.13 x 2.36 x 0.32 in) |
| • Environmental Limits: | |
| Operating Temperature |
-40 to 75°C (-40 to 167°F) |
| Storage Temperature | -40 to 85°C (-40 to 185°F) |
| Ambient Relative Humidity | 5 to 95% (non-condensing) |
| • regulatory Approvals: | |
| EMI | FCC Part 15, CISPR (EN55022) class A, CE class A |
| • Warranty: | |
| Warranty Period |
5 years |
| Details | See www.moxa.com/warranty |
| Ordering Info | Model No. | Description |
| Click here to order |
EOM-104 |
4-port embedded managed Ethernet switch module, -40 to 75°C operating temperature |



