DeviceMaster 500 1-Port DB9 VDC 500Kbps


  • No serial cable distance limitations – enables communication between a host PC and serial devices located anywhere across an Ethernet network
  • Software selectable RS-232/422/485 serial interfaces – simplify setup and eliminate mechanical tampering associated with DIP switch products
  • Application compatibility – supports native COM, TTY, or TCP/IP Socket communication modes
  • Web-based configuration – makes setup and management changes quick and easy
  • Real-time email event notification – alerts administrator of potential connection and security issues
  • Temperature rated for extreme conditions – wide - 37° to 74°C industrial temperature range enables DeviceMaster to function in a wide variety of harsh environments
  • Rugged stainless steel housing – enables DIN rail or panel mounting
  • Variable power input – eliminates need for power converters
  • PortVision® Plus enterprise monitoring and management software – automatically monitors devices on the network and enables user to view status, update firmware and resolve issues remotely

  • DeviceMaster 500 1 Port DB9M 5-30VDC Device
  • Power Supply
  • US Power Cord
  • Euro Power Cord
  • Loopback Plug
  • Customer Service Label
  • RJ45 to DB9F Adapter
  • 35mm DIN Rail clips & Screws
  • Power Connector
  • Software/Documentation CD
  • Bus Interface Specification 10/100BASE-T
  • Memory
    • SDRAM 8 MB
    • Flash 4 MB
  • Installation Method Panel Mountable or DIN Rail
  • LED Indicators 100MB Ethernet, Duplex, Ethernet Link/Activity, and Status
  • Dimensions 3.6" x 0.8" x 2.8"
  • Product Weight 7.5 oz
Electrical Specifications
  • Device
    • DC Input Voltage 5-30V
    • Current Consumption +24VDC 105 mA
    • Power Consumption (max) 2.5 W
  • External Power Supply
    • Output Voltage 24VDC
    • Output Current 1000mA
    • Line Voltage 90-264VAC
    • Line Frequency 47-63Hz
  • ESD Surge Protection Provides minimum of 15KV protection for all serial lines. All Ethernet components are rated to 1.5KV magnetic surge protection.
Environmental Specifications
  • Air temperature
    • System On -37 to 74° C
    • System Off -40 to 85° C
  • Operating Humidity (non-condensing) 5% to 95%
  • Altitude 0 to 10000 Feet
  • Heat Output 8.5 BTU/Hr
  • MTBF (Mean Time Between Failures) 46.2 Years

Serial Communications

  • Connector TypeDB9M
  • Number of Ports1
  • Software SelectableRS-232
  • Baud Rate 9600 and 500Kbps
    • Receive Buffer 1024bytes
    • Transmit Buffer 256bytes
  • Device Driver Data Control
    • Data Bits 7 or 8
    • Parity odd, even, or none
    • Stop Bits 1 or 2
    • Flow Control Hardware, Software, or None
Ethernet Specifications
  • Network Protocols ARP, BOOTP, DHCP, HTTP, ICMP, Ping, RARP, RFC 1006 (ISO over TCP), RFC 2217, SNMP (MIB-II), TCP/IP, Telnet, TFTP, and UDP socket services
  • Connector TypeRJ45F Auto MDI/MDI-X
  • Number of Ports1


  • Other Event notification, lowest latency, NS-Link COM/TTY port redirector, PortVision remote management, and Watchdog reset
  • Manufacturer's Warranty 5 Years
Export Information
  • Packaged Shipping Weight 2.24lbs
  • Package Dimensions 9.18" x 2.5" x 7.25"
  • UPC Code 7-56727-99439-8
  • Country of Origin USA
  • ECCN 5A991
  • Schedule B Number 8471.80.1000

Device Drivers

  • Linux
  • Microsoft® Windows Server® 2003
  • Microsoft® Windows® 2000
  • Microsoft® Windows® XP
  • Microsoft® Windows® Vista
Regulatory Approvals
  • Emissions Canadian EMC Requirements ICES-003 European Standard EN55022
  • Immunity European Standard EN55024 IEC 1000-4-2/EN61000-4-2: ESD
    IEC 1000-4-3/EN61000-4-3: RF
    IEC 1000-4-4/EN61000-4-4: FAST TRANSIENT
    IEC 1000-4-5/EN61000-4-5: SURGE
    IEC 1000-4-6/EN61000-4-6: CONDUCTED DISTURBANCE
    IEC 1000-4-8/EN61000-4-8: MAGNETIC FIELD
    IEC 1000-4-11/EN61000-4-11: DIPS AND VOLTAGE VARIATIONS
  • Safety IEC 60950/EN60950 CSA C22.2 No. 60950/UL60950 Third Edition
  • Other Regulatory Approvals

Find a Distributor

» Industrial Distributors
» North American Distributors
» International Distributors

Pre-Sales Questions

Comtrol's Pre-sales Team
For sales questions or to locate a reseller near you.

+1-800-926-6876 (1-800-Go Rocket)
Fax: +1-763-957-6001

Comtrol's Industrial Automation Sales
For sales questions or to locate an industrial distributor near you.

+1-800-926-6876 (1-800-Go Rocket)
Fax: +1-763-957-6001

Product Support and Service Information
Sales Support

Call +1.763.494.4100, or e-mail

Technical Support

All Comtrol products come with easy-to-use documentation on a CD. For technical assistance, our U.S.-based technical support team is only a phone call away.

Call +1.763.494.4100, or submit your question online, or visit our forum .


Comtrol offers a 30-Day satisfaction guarantee and a 5-year limited warranty on all DeviceMaster 500 family products! Extended Warranty Available.

Software & Drivers
» Comtrol FTP Site