EDS-MD User Guide 20
2: Introduction
The EDS-MD4, EDS-MD8 and EDS-MD16 Ethernet Device Servers are complete network-
enabling solutions. This device server allows system integrators and administrators to go to
market quickly and easily with Ethernet networking and web server capabilities. EDS-MD models
are available in 4, 8 and 16 port configurations.

Key Features

Power Supply: Direct plug-in to wall ac with universal 100-240 VAC input
Controller: 32-bit ARM11 microprocessor running at 600 megahertz (Mhz)
Memory: 64 megabit Flash, 2 gigabit DDR2 DRAM, and a 4 gigabyte SDHC card (internal
only-not user replaceable).
Ethernet: Gigabit Ethernet support (10/100/1000Base-T) speed auto-sensing, automatic MDI/
MDIX (straight and cross-over cables are OK to use)
Serial Ports: 4 to 16 ports depending on model (EDS-MD4, EDS-MD8 or EDS-MD16),
electrically isolated from one another and other circuits. Hardware/Software handshaking
capability. Custom/standard baud rates up to 921600 bits per second (bps).
USB ports: 2 ports of fixed full-speed 2.0 USB Host, electrically isolated from one another and
other circuits, capable of providing 0.5A each.
Temperature Range: 0°C to +55°C.

Applications

The EDS-MD4/8/16 device server connects serial devices such as those listed below to Ethernet
networks using the IP protocol family.
Patient Monitoring Devices
Glucose Analyzers
Infusion Pumps

Protocol Support

The EDS-MD4/8/16 device server contains a full-featured IP stack. Supported protocols include:
ARP, UDP, TCP, ICMP, DHCP, Auto IP, Telnet, SMTP, DNS, FTP, TFTP, and Syslog for
network communications and management.
TCP, UDP and tunneling to the serial port.
TFTP for uploading/downloading files.
FTP, SFTP, HTTPS and HTTP for firmware upgrades and uploading/downloading files.