DeviceMaster ® RTS 2-Port 2E

The DeviceMaster RTS 2-Port 2E Ethernet device server is industrial grade to provide your business with superior networking capabilities

Part Number: 99481-7

PortVision DXweb

  • 2-Port 2E Ethernet device server with proven DeviceMaster performance
  • PortVision DX
  • RS-232/422/485 software selectable interfaces
  • Convenient DIN rail design
  • Dual Ethernet ports for daisy-chaining devices
  • Screw terminal connections
  • Surge protection for serial ports
  • Wide input power range
  • SSL & SSH management, SSL serial data stream encryption
  • IPv6 support
  • Real-time email event notification

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.

View Engineering Drawing

  • 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 -37 to 74° 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
    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 ® RTS 2-Port 2E 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