SD4000 Device Servers


Device Servers

SD4000 Serial Device
  • Overview
  • Images
  • Features
  • Specs
  • Ordering


  • RS-232/422/485 serial port connectivity
  • Free Eltima virtual serial port redirection software for legacy serial applications
  • Encrypted authenticated access for local secure management
  • Power management and UPS monitoring with alerts and graceful shutdown
  • Monitor and collect data from remote sites and program automated responses

Secure Industrial and Device Networking

The SD4000 Device Server enables users to securely connect, manage and control RS-232/422/485 serial devices from anywhere in the world. The SD4000 provides fast, secure and reliable local and remote connectivity to serial ports on PBX, UPS, PDUs, Meters, Scanners, PLCs and SCADA equipment. The compact size of the SD4000 makes it the ideal choice for connecting RS-232/422/485 serial devices to the network or to each other with using serial tunneling.

Easily IP Enable Any Serial Port in Minutes

The SD4000 is the perfect solution to IP Enable serial ports like SMDR on PBX systems for remote administration. IP enable existing UPS systems for less than the cost of a SNMP monitoring card. Extend serial printers, scanners, access entry and control with our low cost solution. 

Product Images

SD4002 Front
SD4002 Rear

Features and Benefits

Security and Authentication

Secure Shell (SSH V2)

TACACS+, RADIUS and LDAP authentication

Local authentication

System event syslog

SSH port and IP forwarding support

IP packet filtering

Unlimited user accounts

Serial Console Port Management

Free COM Port Redirector software - Portshare

SSH tunneled serial bridging

Windows 2003 Server ACS and EMS support

SUN / Solaris ready (no inadvertent breaks)

Break over SSH support

Port triggers with SMNP and email alerts

Offline data logging (Syslog, NFS, CIFS)

Online data buffering and logging

Multiple users per port (with port sniffing)

Access by TCP port

Telnet / Unauthenticated Telnet SSH/Raw TCP connect

RFC 2217 - Port Redirection

Windows Remote Desktop or VNC over serial support

Clustering - single IP for multiple IM4200 and CM4000 devices

Per serial port user access lists

LAN Console Port Management

Secure SSH tunneling (TCP/UDP applications)

Secure Remote Desktop access to Windows XP/2003

Secure VNC access to Sun/Windows /Linux computers

Secure HTTP(S) access to browser controlled appliances

Native IPMI 1.5 and 2.0 (RMCP/RMCP+) support for BMC and service processor access and control

Secure SOL (Serial over LAN) access to BIOS, EMS and ACS

Service processor access (IPMI, ILO, LOM and more)

Access to KVM built in to service processors (DRAC, RSA)

Secure Telnet access

Limit user access by LAN device and SDT service for that device

Port triggers with SMNP and email alerts for all tunnel traffic

Each gateway can port forward to an unlimited number of locally networked hosts (computers, routers)

No limit on number of clients who can access the one gateway

Embedded DHCP server for management LAN devices

Power Management

Network UPS Tools for UPS Monitoring and Management

PowerMan for PDU and RPS Management

Hotkey for in session power menu

System Management

Secure web management (HTTPS)

Local browser management (HTTP)

Command Line interface (Linux Shell)

Nagios distributed monitoring

ARP-Ping (IP address assignment)



In-band (local Ethernet or secure tunnel over Internet)

Out-of-band (dial-up modem access) included

Additional Ethernet for broadband out-of-band connection

Local serial console access

Other Protocols Supported

DHCP client for dynamic IP assignment

NTP for time synchronization

PPP for dial-up access

NAT port redirection


Flash upgradeable

Free upgrades from online FTP site

HTTP, FTP, TFTP client for file transfer

Operating System

Linux with source code access and Custom Development Kit (CDK)

Technical Specifications



1 x RS-232/422/485 and 1x RS-232 serial port (50 to 230,400bps) 1 RJ45 10/100Base-T Ethernet port


12V DC operation (+9V to 30V) 

110-240V AC to 12V DC external power adapter 

Power Consumption 0.96W



3.9 x 2.8 x 1.0 in / 10 x 7.2 x 2.5 cm


Ambient operating temperature: 5°C to 50°C (41°F to 122°F)

Non operating storage temp: -30°C to +60°C (-20°F to +140°F)

Humidity: 5% to 90%


FCC Part 15 A

UL 1950

CE (EN55022 A, EN55024, EN60950)

EN55024: 1998+A1: 2001 +A2: 2003

IEC_61000-4-2: 1995ESD 8kV Air Discharge (Direct), 4kV Contact Discharge (Direct/Indirect)

IEC_61000-4-4: 1995EFT/Burst 1.0kV Power Lines, 0.5kV I/O Lines 

IEC_61000-4-5: 1995 Surge Immunity 1.0kV Common Mode, 1.0kV Differential Mode



RoHS compliant


166Mhz KSZ8695X Micrel ARM 922 SOC



8MB Embedded Flash

Operating System

Linux with source code access and Custom Development Kit (CDK)

Ordering Information

Serial Device Servers
2 serial ports, ext power, 1 Ethernet, 8MB flash
Part Number: 
Warranty and Support
Standard warranty cover
Part Number: 
4-year, Pre-Paid
Extended warranty cover
Part Number: 
1-year, Pre-Paid
12.5% pa