Comtrol DeviceMaster RTS 8-Port RJ45

Key Features:

Comtrol Device master RTS 8-Port RJ45 is an eight port device server designed to enable placing serial devices on Ethernet network especially in applications where connecting legacy devices to pc is required without software change.
A pair of DeviceMaster RTS units can be used to create a point-to-point serial tunnel across the network that seamlessly transfers serial data via TCP or UDP socket connections

• NEMA TS2 Certified
• 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
• Supports native COM, TTY, or TCP/IP socket communication modes
• Web-based configuration makes setup and management changes quick and easy
• Real-time e-mail event notification alerts administrator of potential connection and security issues
• Built-in two-port 10/100 Ethernet switch
• Wide -37° to 74°C industrial temperature range
• Rugged stainless steel housing enables DIN rail or panelmounting
• PortVision® DX monitoring and management software automatically monitors devices on the network and enables user to view status, update firmware and resolve issues remotely
• Software developer kit available for users interested in writing custom applications to run on the DeviceMaster platform
• RoHS2 compliant under CE
• IPV6 support

Product Details


  • Bus Interface Specification10/100 BASE-T
  • Memory
    • SDRAM8 MB
    • Flash4 MB
  • EnclosureBlack Finished Steel
  • Installation MethodPanel Mountable
  • LED Indicators100MB Ethernet, Collision, Ethernet Link/Activity, RX/TX per port, and Status
  • Dimensions8″ x 1.8″ x 6.3″
    274.3 x 45.7 x 160 mm
  • Product Weight82 lbs
    2.19 kg

Electrical Specifications

  • Device
    • DC Input Voltage9-30 VDC
    • Current Consumption+24VDC 290 mA
    • Power Consumption (maximum)0 W
  • Comtrol External Power Supply
    • Output Voltage9-30VDC
    • Output Current+24VDC 500 mA
    • Line Frequency47-63 Hz
    • Line Voltage90-264 VAC
  • 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%
  • Altitude0 to 10,000 Feet
    3,048 m
  • Heat Output8 BTU/Hr
  • MTBF (Mean Time Between Failures)5 Years

Serial Communications

  • Connector TypeDB9M
  • Number of Ports8
  • Software Selectable InterfacesRS-232
  • Baud Rate65 bps to 230.4 kbps
    • Receive Buffer1024bytes
    • Transmit Buffer256bytes
  • Device Driver Data Control
    • Data Bits7 or 8
    • Parityodd, even, or none
    • Stop Bits1 or 2
    • Flow ControlHardware or Software

Ethernet Specifications

  • Network ProtocolsARP, BOOTP, DHCP, HTTP, ICMP, Ping, RARP, RFC 1006 (ISO over TCP), RFC 2217, SNMP (MIB-II), TCP/IP & UDP socket services, Telnet, TFTP, and supports IP multicast data transmission
  • Connector TypeRJ45F
  • Number of Ports2


  • SNMP SupportMonitoring only.
  • OtherEvent notification and Watchdog
  • Manufacturer’s Warranty5 Years

Regulatory Approvals

  • EmissionsCanadian EMC requirements
    European Standard EN55022 FCC Part 15 Subpart BClass A limit
  • ImmunityEuropean 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
  • SafetyIEC 60950/EN60950
    CSA C22.2 No. 60950/UL60950 Third Edition
  • Other Regulatory ApprovalsNEMA TS2 Compliant