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Serial Device Server

Discontinued Suggested Replacement Model
  • Provides over IP access for industrial serial devices.
  • Software selectable RS-232/422/485 3-in-1 serial port
  • Wide range of versatile serial operation modes - Console Management, Real COM, TCP Server, TCP Client, UDP, Modbus, Serial Tunnel and Virtual Modem
  • System configuration via Web Console (HTTP/HTTPS), Telnet/SSH Console and Windows utility
MSRP: Quote Upon Request

The SN3101 3-in-1 Serial Device Server supports RS-232, RS-422 and RS-485 data transfers, as well as providing Ethernet connectivity for a wide variety of serial devices used in commercial applications. These include industrial control,data acquisition, access control, environment monitoring,banking, telecoms, remote site management, etc. This total serial data transfer system transforms the capability of legacy serial devices, and allows them to take advantage of the speed and reliability of today's modern communication techniques.

Package Contents

  • 1x Serial Device Server
  • 1x Power Adapter
  • 1x DC Terminal Connector
  • 1x Mounting Kit
  • 1x User Instructions
  • Provides over IP access for industrial serial devices.
  • Software selectable RS-232/422/485 3-in-1 serial port
  • Built-in 15KV ESD serial port protection
  • Max. baud rate: 460 Kbps
  • Wide range of versatile serial operation modes - Console Management, Real COM, TCP Server, TCP Client, UDP, Modbus, Serial Tunnel and Virtual Modem
  • High security via 128-bit/256-bit SSL (TLS v1.0) encryption for serial data transmission
  • Redundancy support via multiple simultaneous Real COM, TCP Server, and TCP Client connections
  • 64 Kbyte port buffer prevents data loss when the network is down
  • Real COM driver for Windows 2000/XP/2003/Vista
  • Real TTY driver for Linux, Fixed TTY driver for Unix*
  • Modbus Ethernet-to-Serial support
  • Modem emulation enables existing modem-based applications to make connections over IP networks
  • Virtual Terminal support (VT320, VT52, VT100, VT220)
  • System configuration via Web Console (HTTP/HTTPS), Telnet/SSH Console and Windows utility
  • Backup/restore and firmware upgrading via Web Console(HTTP/HTTPS) and Windows utility
  • Easy-to-use Windows utility (2000/XP/2003/Vista) for auto discovery, multiple device setting and monitoring
  • Centralized external authentication support for RADIUS, LDAP(S), MS Active Directory
  • SNMP MIB II and RS-232 MIB for network management
  • SMTP and SNMP trap event notification
  • Choice of power input: AC-DC adapter or DC direct

    * Fixed TTY Driver Supports 1) Sco Unix, Sco OpenServer; 2) Unix Ware 7, SVR 5; 3) Unix Ware 2.1, SVR 4.2; 4) QNX 4.25, QNX 6; 5) FreeBSD; 6) Solaris 10; 7) AIX 5.x; 8) HP-UX 11i
Serial1 x DB-9 Male (Black)
Network1 x RJ-45 Female (Black)
Power1 x 2-pin Terminal Block (Green)
1 x DC Jack (Black)
Reset1 x Semi-recessed Pushbutton
Power1 (Green)
Link1 (Green)
10/100 Mbps1 (Orange/Green)
TxRx (ACT)1 (Green)
Power Inputs
Power Adapter100-240V AC; 50/60 Hz
Power Line Protection4KV burst (EFT), EN61000-4-4 2KV surge, EN61000-4-4
Power ConsumptionDC9V:2.28W:11BTU/h

● The measurement in Watts indicates the typical power consumption of the device with no external loading.
● The measurement in BTU/h indicates the power consumption of the device when it is fully loaded.
SerialRS-232/422/485; Software selectable
RS-422: Tx+, Tx-, Rx+, Rx-, RTS+, RTS-, CTS+, CTS-, GND
RS-485: Data+, Data-, GND
Baud Rate: 460Kbps
Protection: 15 KV ESD Protection for the serial port
Parity: None, Even, Odd, Mark, Space
Data Bits: 5, 6, 7, 8
Stop Bits: 1, 1.5, 2
Flow Control: None, XON/XOFF, RTS/CTS
Network10/100BaseTX; Autosensing
Protection: 1.5 KV Magnetic Isolation
ComplianceFCC Class A, CE Class A, RoHS
Operating Temperature0 - 60°C
Storage Temperature-20 - 85°C
Humidity0 ~ 95% RH, Non-condensing
Physical Properties
Weight0.22 kg ( 0.48 lb )
Dimensions (L x W x H)10.69 x 7.90 x 2.44 cm
(4.21 x 3.11 x 0.96 in.)
NoteFor some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format.

DescriptionVer.Release DateFile Name
Firmware Upgradev1.4.1332018-06-25 sn3101_v1.4.133.zip
Firmware Upgradev1.4.1322015-01-20 sn3101_v1.4.132.zip
Firmware Upgradev1.3.1292014-11-07 sn3101_v1.3.129.zip
Firmware Upgradev1.3.1282014-09-11 sn3101_v1.3.128.zip
Firmware Upgradev1.3.1262014-06-24 sn3101_v1.3.126.zip
Firmware Upgradev1.3.1252013-02-06 sn3101_v1.3.125.fw
Firmware Upgradev1.3.1222012-02-23 sn3101_v1.3.122.fw
Firmware Upgradev1.2.1132010-10-25 sn3101_v1.2.113.zip
Firmware Upgradev1.0.0852008-08-20 sn3101_v1.0.085.zip
ОSDescriptionVer.Release DateFile Name
IP Installer & Utility
IP Installerv1.4.1342018-03-22 IPInstaller_v1.4.134.zip
IP Installerv1.4.1322014-09-23 IPInstaller_v1.4.132.zip
Serial Network Device Managerv1.0.0932014-07-15 sn_utility_v1.0.093.zip
IP Installer Release Notev1.2.1112011-07-01 IPInstaller_v1.2.111.pdf
IP Installerv1.2.1112011-07-01 IPInstaller_v1.2.111.zip
Linux Software & Driver
Linux Readmev1.0.0952019-02-27 sn_vp_install_linux_readme_v1.0.095.txt
LinuxReal TTYv1.0.0952019-02-27 sn_vp_install_linux_v1.0.095.zip
LinuxReal TTYv1.0.0942016-04-19 sn_vp_install_linux_v1.0.094.zip
Linux Readmev1.0.0942016-04-19 sn_vp_install_linux_readme_v1.0.094.txt
Unix Readmev1.0.0932016-04-19 sn_fixed_tty_unix_readme_v1.0.093.TXT
LinuxReal TTYv1.0.0892013-02-06 sn3101_vp_install_linux_v1.0.089.tgz
LinuxVirtual COM portv1.0.0862010-10-25 sn3101_vp_install_linux_v1.0.086.zip
LinuxVirtual COM portv1.0.0.842008-08-20 sn3101_vp_install_linux_v1.0.084.zip
Unix Software & Driver
UnixFixed TTYv1.1.1012024-05-08 sn-fixed-tty-unix-v1.1.101.zip
Fixed TTYv1.0.0932016-04-19 sn_fixed_tty_unix_v1.0.093.zip
UnixFixed TTYv1.0.0922014-07-15 sn3101_fixed_tty_unix_v1.0.092.zip
UnixFixed TTYv1.0.0912013-02-06 sn3101_fixed_tty_unix_v1.0.091.tar
Windows Legacy Software & Driver
Windows 2000, Windows 2003, Windows XPVirtual COM Port (x64 - 64bit)v2.2.2132019-02-27 sn_real_com_port_windows_XP_2000_2003_x64_v2.2.213.zip
Windows 7, Windows 2008, Windows 10, Windows 2016Virtual COM Port (x86 - 32bit)v2.2.2132019-02-27 sn_real_com_port_windows_2008_and_above_x86_v2.2.213.zip
Windows 7, Windows 2008, Windows 10, Windows 2016, Windows 2019Virtual COM Port (x64 - 64bit)v2.2.2132019-02-27 sn_real_com_port_windows_2008_and_above_x64_v2.2.213.zip
Windows XP, Windows 2003, Windows 2000Virtual COM Port (x86 - 32bit)v2.2.2132019-02-27 sn_real_com_port_windows_xp_2000_2003_x86_v2.2.213.zip
Windows 2000, Windows 2003, Windows XPVirtual COM Portv2.2.2122016-04-19 sn_real_com_port_win2k_xp_2003_v2.2.212.zip
Windows 7, Windows 2008Virtual COM Portv2.2.2122016-04-19 sn_real_com_port_win7_2008_v2.2.212.zip
Windows 7, Windows 2008Virtual COM Portv2.2.2112014-07-15 sn3101_real_com_port_win7_2008_v2.2.211.zip
Windows 2000, Windows 2003, Windows XPVirtual COM Portv2.2.2112014-07-15 sn3101_real_com_port_win2k_xp_2003_v2.2.211.zip
Windows 2008, Windows 7Virtual COM Portv2.0.1962013-02-06 sn3101_real_com_port_win2_v2.0.196.zip
Windows 2000, Windows 2003, Windows XPVirtual COM Portv2.0.1962013-02-06 sn3101_real_com_port_win_v2.0.196.zip
WindowsVirtual COM Portv2.0.1942012-02-23 sn3101_vp_install_win_v2.0.194.zip
WindowsVirtual COM Portv2.0.1932010-10-25 sn3101_vp_install_win_v2.0.193.zip
Windows 2000, Windows 2003, Windows XP, Vista x32Virtual COM Portv1.0.0852008-08-20 sn3101_vp_com_port_win_v1.0.085.zip
Windows 98Virtual COM Portv1.0.0832008-08-20 sn3101_vp_com_port_win98_v1.0.083.zip
TCP SDKv1.0.0852008-08-20 sn3101_tcpsdk_v1.0.085.zip
MIB Filesv1.0.0852008-08-20 sn3101_mib_files_v1.0.085.zip
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