
MOXA NPort Express DE-311 Serial to Ethernet Device Server
$190


MOXA DE-311 Introduction
The Moxa NPort Express DE-311 serial-to-Ethernet device server is a reliable and compact solution to convert serial communication to Ethernet and integrate legacy serial devices and modern IP-based networks. This serial converter is ideal for applications that demand stable data communication over long distances without requiring extensive infrastructure changes. This member of the Moxa NPort family provides the ideal bridge between RS-232 devices and Ethernet networks and offers users the convenience of remote data access, monitoring, and control. With its easy-to-install architecture and intuitive configuration software, even users with a limited technical background can deploy the DE-311 with minimal effort. Moreover, it ensures robust data transmission using advanced buffering techniques and superior flow control. With increasing demand for industrial edge connectivity, businesses are shifting toward solutions that can adapt to legacy systems and provide future-proof flexibility. The DE-311 converter supports a broad range of industrial applications through its efficient design and strong compatibility with various serial devices. It serves as a general device server that provides interoperability in numerous sectors, including Factory Automation. The Moxa industrial serial device server simplifies device management and maximizes the value of existing equipment by connecting it to modern Ethernet infrastructures.
Port RS-232/422/485 Device Server with DB9 Female Connector
The Moxa NPort Express DE-311 serial to Ethernet device server with a flexible 1-port RS-232/422/485 device server and DB9 female connector supports multiple serial communication protocols in a single and compact unit. The DB9 female connector offers a standardized interface and reduces the complexity of connecting different types of devices. With support for multiple data rates and communication modes, the Moxa nport DE-311 allows data transmission across diverse equipment types. This versatility ensures that legacy systems can continue to operate without requiring hardware replacement.
10/100 Mbps Ethernet Connection and Wide Voltage Input
The Moxa NPort Express DE-311 has been equipped with a 10/100 Mbps Ethernet connection and ensures fast and reliable data transfer across local or remote network segments. This feature is particularly valuable for time-sensitive industrial operations where delays can lead to costly downtime. Its 9 to 30 VDC input voltage range offers flexible power supply options and enables the device to be deployed in various installation scenarios without needing additional power adapters or converters. This wide voltage tolerance enhances the Moxa industrial serial device server’s usability across industries. By combining these features, the DE-311 becomes an adaptable and dependable serial converter for challenging deployment conditions.
Rugged Metal Housing and Wide Operating Temperature
The DE-311 device server features a rugged metal housing to protect the internal circuitry from harsh environmental conditions, including mechanical stress, dust, and electromagnetic interference. The device is capable of operating reliably within a 0 to 55°C operating temperature for deployment in a wide range of industrial environments. The nport express DE-311 withstands temperature fluctuations and environmental stressors without compromising performance. Its compact and robust construction ensures consistent operation in environments where failure is not an option.
MOXA DE-311 Certifications
The Moxa NPort DE-311 Datasheet highlights a comprehensive list of industry-standard certifications that affirm the quality, safety, and reliability of the device. These certifications demonstrate Moxa’s commitment to delivering high-performance products and ensure compliance with regulatory requirements across global markets. Among the key certifications are CE and FCC, which validate the device’s compliance with essential safety and electromagnetic compatibility standards in Europe and the United States, respectively. In addition, the DE-311 is certified by UL to ensure electrical safety guidelines for deployment in environments where high-voltage equipment is in use. This assurance helps operators and integrators comply with workplace safety standards and minimizes risks associated with electrical faults. Furthermore, the device server is tested for EMC, EMI, EMS, and Safety standards for high electromagnetic noise, Electromagnetic Interference, and Electromagnetic Susceptibility testing. The NPort Express DE-311 serial device server is a smart investment for any organization seeking streamlined data communication and enhanced system performance.
MOXA DE-311 Features
- 1 x 10/100Mbps T(x) port and 1 x RS-232/422/485 Serial ports with DB9 female connector
- 12 to 30 VDC
- Metal body
- 0 to 55°C operating temperature
Explore the wide variety of industrial automation products we have for sale at lower prices. Choose and buy MOXA NPort Express DE-311 Serial to Ethernet Device Server, the ideal solutions that meet your specific needs. Our branches in the Middle East (UAE (Dubai, Abu Dhabi), KSA (Al Khobar, Riyadh), Kuwait, Qatar, and Oman) are strategically located to provide efficient support for all your purchasing requirements.
serial-to-ethernet : Interface | |
10Mbps RJ-45 Ports | No |
10/100Mb RJ45 (Megabit) Ports | Yes : 1 Port |
RS-232 Ports | No |
RS-422/485 Ports | No |
RS-232/422/485 Ports | Yes : 1 Port |
serial-to-ethernet : Serial port specifications | |
Serial connection type | DB9-F |
Serial Communication Parameters | Data Bits : 5, 6, 7, 8 and Stop Bits : 1, 1.5, 2 and Parity : None, Even, Odd, Space, Mark |
Flow Control | RTS/CTS, XON/XOFF |
Data transfer speed ( Baudrate ) | 0.15Kps to 230.4kbps |
Protection against electrostatic discharge | 15KV |
Electrical isolation | No |
serial-to-ethernet : Communication details | |
Wireless Standards | No |
Maximum data transfer speed | No |
Maximum direct range | No |
serial-to-ethernet : General | |
Management | Serial Console, Telnet Console, Windows Utility |
MTBF | 225529 hour |
Compatible operating systems | Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1 (x86/x64), Windows 2008 R2/2012/2012 R2 (x64), Windows Embedded CE 5.0/6.0, Windows XP Embedded |
Fixed TTY Drivers | SCO Unix, SCO OpenServer, UnixWare 7, QNX 4.25, QNX 6, Solaris 10, FreeBSD, AIX 5.x, HP-UX 11i, Mac OS X |
Linux Real TTY Drivers | Linux 2.4.x, 2.6.x, 3.x |
serial-to-ethernet : Power Requirements | |
Power Consumption (Output Adapter) | 9V DC to 30V DC |
serial-to-ethernet : Security | |
Security | - |
Encryption | - |
serial-to-ethernet : Features and capabilities | |
Display | No |
Keyboard | No |
The automatic restart (reset) | Yes : WDT |
Alarm feature | No |
serial-to-ethernet : Standards and protocols | |
Network protocol | DHCP, BOOTP, Telnet, TCP, UDP, IPv4, ICMP, ARP |
Data transfer protocol | - |
serial-to-ethernet : Physical Characteristics | |
Dimensions | 67x100.4x22mm |
Safety | UL 60950-1, EN 60950-1 |
EMC | FCC, CE |
EMI | EN 55022 Class B, FCC Part 15 Subpart B Class A |
EMS | EN 55024 |
Marine | No |
Medical | EN 60601-1-2 Class B, EN 55011 |
LAN port Protection against magnetic fields | 1.5KV |
Housing | Metal |
Operating Temperature | 0 to 55 ° C |
Storage Temperature | -40 to 75 ° C |
Altitude | 2000m |
Operation Humidity | 5% to %95 RH non-condensing |
Weight | 0.48Kg |
Easy World Automation’s Price Matching Policy:
As one of Moxa’s top distributors, we value quality, the pre-sales and after-sales support we provide for our customers, and the sense of satisfaction when they do business with us. Therefore, from now on at the point of purchase at moxa.eworldme.com, as our customers, if you find a lower price of a Moxa product from any other Moxa authorized distributor or online stores, we will match your price.
How it works:
When purchasing online, you can request a price match for all the items listed on the website by communicating with our online chat or calling the number: +971 4 447 1137
Please be prepared to direct us to the competitor’s website or present the proof of offline purchase which is displaying the current lower price you would like to match. An Easy World sales coordinator will verify the request with our policy and match the price on the spot.

Exclusions:
- Easy World does not match pricing on open-box or refurbished products
- Easy World does not match pricing on the Items that other distributors have listed as clearance, closeout, or other special events