DeviceMaster ® DM-2402

2-Port serial device server with screw terminal connectors and dual Ethernet port

Product Name Change Notification

Part Number: 99481-7

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Engineering Drawing

Download Specifications

    The DeviceMaster RTS 2-Port 2E is a serial device server that can be used to network enable two serial devices on an Ethernet network. The product provides screw terminal connections for each serial port and supports RS-232, RS-422, RS-485 serial communications at standard baud rates from 300 bps to 230Kbps. A single RJ45 jack provides a 10/100 ethernet connection to the network. The product will accept power in the range of 5-30 volts DC through screw terminal connections. A 100-260VAC power supply is also available.

    • DeviceMaster RTS 2 Port 2E Device

    System Specifications

    • Bus Interface Specification 10/100BASE-T
    • Memory
      • SDRAM 8 MB
      • Flash 4 MB
    • Enclosure UL94-V0 PLASTIC
    • Installation Method DIN Rail (35mm)
    • Dimensions 4.37" x 3.9" x 1.78"
      111 x 99 x 45.2 mm
    • Product Weight 7.5 oz
      212.62 g

    Electrical Specifications

    • Device
      • DC Input Voltage 5-30V
      • Current Consumption +24VDC 80 mA
      • Power Consumption (max) 2.0 W
    • ESD Surge Protection Provides minimum of 25KV protection for all serial lines. All Ethernet components are rated to 1.5KV magnetic surge protection.
    Environmental Specifications
    • Air temperature
      • System On -40 to 75° C
      • System Off -40 to 85° C
    • Operating Humidity (non-condensing) 5% to 95%
    • Altitude 0 to 10,000 Feet
      3,048 m
    • Heat Output 6.6 BTU/Hr
    • MTBF (Mean Time Between Failures) 45.66 Years

    Serial Communications

    • Number of Ports2
    • Connector TypeScrew Terminal Blocks
    • Software Selectable Interfaces RS-232 (TxD, RxD, RTS, CTS)
      RS-485 Half Duplex
      RS-485 Full Duplex (Master/Slave)
    • Baud Rate 300 bps to 230.4 kbps
      • 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, UDP socket services, and supports IP multicast data transmission
    • Connector Type RJ45F Auto MDI/MDI-X
    • Number of Ports 2


    • Manufacturer's Warranty 5 Years
    Export Information
    • Packaged Shipping Weight 1.04 lbs
      0.47 kg
    • Packaged Dimensions 9.25" x 2.5" x 7.25"
      235 x 63.5 x 184.2 mm
    • UPC Code 7-56727-99481-7
    • Country of Origin USA
    • ECCN 5A992
    • Schedule B Number 8471.80.1000

    Device Drivers

    Regulatory Approvals
    • Emissions FCC PART 15 SUBPART B
      AS/NZS CISPR 22
      European Standard EN55022
      Canadian EMC Requirements
    • 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

    • Pinout Diagram

    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

    DocumentDescriptionDownload File
    DeviceMaster ® DM-2402 User GuideContains detailed installation procedures and configuration information.
    Product Support and Service Information

    Part Number: 99481-7

    Sales Support

    Call +1.763.957.6000, or e-mail

    Technical Support

    For technical assistance, our U.S.-based technical support team is only a phone call away.

    Call +1.763.957.6000, or visit our forum .


    Comtrol offers a 30-Day satisfaction guarantee and a 5-year limited warranty on all DeviceMaster RTS family products!

    View Warranty

    Extended Warranty Available

    Software & Drivers
    » Comtrol FTP Site