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DeviceMaster ® DM-2102

New Model Available
View the updated product.

For new projects, we recommend our latest model.

1-Port serial device server with DB9 connectors and one Ethernet port

2-Port serial device server with DB9 connectors and one Ethernet port

Product Name Change Notification

Part Number: 99550-0

PortVision DXweb

  • Wide DC input voltage range (5-30 volts)
  • Redundant power input for fail-safe power
  • Wide operating temperature range (-40º to 75ºC)
  • RS-232/422/485 software selectable interfaces
  • PortVision DX
  • DB9 male serial connectors
  • Wide input power range
  • Screw terminal power connector
  • 25KV surge protection for serial ports
  • Features DIN rail mounting
  • Configuration management via SSL & SSH
  • SSL/TLS serial data stream encryption up to TLS 1.2
  • TLS 1.2 compliant when running SocketServer
  • IPv6 support
  • Real-time email event notification

The DeviceMaster ® DM-2102 serial device server can be used to network-enable two serial devices on any Ethernet network and is ideal for applications in: traffic and transportation, power utility, industrial automation, material handling and any project that requires serial-to-Ethernet communication with DIN rail-based equipment installations.

  • DeviceMaster ® DM-2102
  • Loopback Plug
  • DIN rail
  • Bus Interface Specification 10/100BASE-T
  • Memory
    • SDRAM 32 MB
    • Flash 8 MB
  • Enclosure UL94-V0 PLASTIC
  • Installation Method DIN Rail (35mm)
  • LED IndicatorsStatus, Ethernet Port Link and Activity
  • Dimensions 4.6" x 3.9" x 0.9"
    116.8 x 99.1 x 22.9 mm
  • Product Weight 0.30 lbs
    136 g
Electrical Specifications
  • DC Input Voltage 5-30V
  • Power Consumption (max) 2.9 Watts
  • Power Input Redundancy Dual Redundant Power Input
  • 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) 0% to 95%
  • Altitude 0 to 10,000 Feet
    3,048 m
  • MTBF (Mean Time Between Failures) 46.3 Years

Serial Communications

  • Connector Type DB9 Male
  • Number of Ports 2
  • Software Interfaces RS-232
    RS-485 2-Wire
    RS-485 4-Wire, Master
    RS-485 4-Wire, Slave
  • Baud Rate 300 bps to 230.4 kbps
    • Receive Buffer 4.5KB
    • Transmit Buffer 4.5KB
  • Device Driver Data Control
    • Data Bits*5, 6, 7 or 8
    • Parity*Odd, Even, Mark, Space, or none
    • Stop Bits*1, 1.5 or 2
    • Flow Control Hardware, Software, or None
    • *Data bits 5, 6: Supported only in RFC2217 and socket mode
    • *Mark, Space parity: Supported only in RFC2217 and socket mode
    • *Stop bit 1.5: Supported only when used with 5 data bits
Ethernet Specifications
  • Number of Ports1
  • Speed10/100Mbps
  • Connector TypeRJ45F Auto MDI/MDI-X
  • LEDEthernet Link (Green)
    Ethernet Activity (Amber)
  • Ethernet specific featuresAuto MDI/MDI-X, Auto Negotiation, Link/Activity Status LED
  • Network ProtocolsARP, BOOTP, DHCP/RARP, HTTP, HTTPS, SSH, SSL/TLS, ICMP, RFC 1006 (ISO over TCP), Ping, RFC2217, SNMP (MIB-II), TCP/IP & UDP socket services, Telnet, and TFTP, and supports IP multicast data transmission


  • Other Software FeaturesLowest Latency
    NS-Link COM/TTY port redirector
    TCP/IP & UDP Socket Services
    Telnet/RFC2217 COM Port control
    PortVision DX remote management
  • Manufacturer's Warranty 5 Years
Export Information
  • Packaged Shipping Weight 0.70 lbs
    317.5 g
  • Package Dimensions5-11/16” x 5-11/16” x 3-3/8”
    144.5 x 144.5 x 85.7mm
  • UPC Code 7-56727-99550-0
  • Country of Origin USA
  • ECCN 5A992
  • Schedule B Number 8471.80.1000

Device Drivers

Regulatory Approvals
  • Emissions FCC Part 15 Subpart B
    Class A limit
    Canadian EMC Requirements
    European Standard EN61000-6-4
    International Standard IEC 61000-6-4
    European Standard EN55032
  • Immunity European Standard EN61000-6-2
    International Standard IEC 61000-6-2
    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 UL 61010-1, UL 61010-2-201
    CSA C22.2 No. 61010-1-12
    CSA C22.2 No. 61010-2-201:14
  • Other Regulatory Approvals European Standard: RoHS 2 compliant under CE
    Regulatory Logos
Pinout Diagram
  • Ground must be tied to signal ground.Pinout Diagrams
Find a Distributor

» Industrial Distributors
» North American Distributors
» International Distributors

Pre-Sales Questions

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

Fax: +1.330.405.4710
[email protected]

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

Fax: +1.330.405.4710
[email protected]

Product Support and Service Information

Part Number: 99550-0

Sales Support

Call +1.330.486.0001, or e-mail [email protected]

Technical Support

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

Call +1.330.486.0001, or visit our forum .


Pepperl+Fuchs Comtrol offers a 30-Day satisfaction guarantee and a 5-year limited warranty on all DeviceMaster DIN rail family products!

View Warranty

Extended Warranty Available

Software & Drivers
» Comtrol FTP Site