IOLAN SDG W Serial Device Servers
Wireless LAN Serial to Ethernet

- High performance WLAN (Wi-Fi ®) : Dual band radio supporting IEEE 802.11 a,b,g,n
- Wireless speeds up to 150Mbps
- 1, 2 or 4 software selectable RS232/422/485 serial port interfaces
- High-Speed Gigabit Ethernet (10/100/1000 Base-T)
- Advanced security features for data encryption, user authentication and event management
- Wireless Infrastructure and peer to peer connectivity modes
For secure, High-Speed serial to Ethernet connectivity over wireless LAN applications, the IOLAN SDG W Device Server is the most advanced compact product available on the market today. Delivering high performance in a compact size, an IOLAN SDG W offers a support for a broad range of high performance Wireless LAN technology, extensive security, flexibility and next generation IPv6 technology making it ideal for applications that require remote serial device/console management, data capture or monitoring.
Why IOLAN SDG Wireless Device Servers are the preferred choice:
- Broad range support of Wireless LAN Technology: IEEE 802.11 a,b,g,n @ 2.4Ghz/5Ghz
- Fast wireless – speeds up to 150Mbps
- High-Speed Gigabit Ethernet 1000base-T interface including support for 100base-TX and 10base-T
- As a wireless client proxy, provides wireless connectivity to central access points for serial and ethernet devices
- Can provide a direct serial to serial peer connection over wireless
- Software Access Point ( SoftAP ) for up to 6 wireless clients.
- Fast Wireless Roaming capability is ideal for mobile applications where the IOLAN can transparently roam between APs ( Access Points ) that share the same ESS ( Extended Service Set )
- Redundant dual power inputs ( barrel and terminal block )
- TrueSerial® packet technology delivers the most authentic serial connections across Ethernet for serial protocol integrity
- Indicators for network and serial interfaces for easy troubleshooting
- Plug & Play installation utility eliminates configuration hassles for all IOLAN's on your IP network
- TruePort – Perle’s com/tty redirector for serial based applications operates on Windows, Vista, Linux, Solaris, SCO and Unix
- Next Generation IP support ( IPv6 ) for investment protection and network compatibility
- Compact and protective solid steel enclosure for tabletop, wall mount or DIN rail mounting
- Java-free browser access to remote serial console ports via Telnet and SSH
- Ping watchdog probes enable customers to power cycle equipment with attached Perle RPS power switches in the event of an unresponsive networking gear
Secure Serial to Ethernet Connectivity
The IOLAN SDG Wireless Device Server enables administrators to securely access remote serial console ports on equipment such as PBX, servers, routers, network storage equipment and security appliances through an IP network. Sensitive data such as credit card holder information is protected through standard encryption tools such as Secure Shell (SSH) and Secure Sockets Layer (SSL). Access by authorized users is assured via authentication schemes such as RADIUS, TACACS+, LDAP, Kerberos, NIS and RSA Security's SecurID tokens.
By using encryption technologies, an IOLAN can protect sensitive and confidential data from a serial device such as a credit card reader before being sent across a corporate Intranet or public Internet. For compatibility with peer encryption devices, all of the major encryption ciphers such as AES, 3DES, RC4, RC2 and CAST128 are fully supported.
Recognized as the most secure method for communicating to remote private networks over the Internet, the IPSec standard provides robust authentication and encryption of IP packets at the network layer of the OSI model. As a standard it is ideal for multi-vendor interoperation within a network providing flexibility and the ability to match the right solution for a particular application.
IOLAN Device Server Plug-ins
By choosing a Perle IOLAN Device Server you can rest assured that virtually any device with a serial COM port will operate in conjunction with your desired application exactly as it did when you had it directly connected. In the unlikely event that the Perle IOLAN Device Server does not enable this out of the box, Perle will make it work.
Perle IOLAN Device Servers utilize customer installable "Device Plug-ins" to successfully network devices where other solutions have failed. Request a free engineering consultation now.
Advanced IP Technology
With support for Next Generation IP (IPv6) the IOLAN Serial to Ethernet Device Server range provides organizations with investment protection to meet this rapidly growing standard.
Demand for IPv6, which is compatible with IPv4 addressing schemes, is driven by the need for more IP address. With the implementation and rollout of advanced cellular networks, a robust method is needed to handle the huge influx of new IP addressable devices on the Internet. In fact, the US Department of Defense has mandated that all equipment purchased be IPv6 compatible. In addition, all major Operating Systems such as Windows, Linux, Unix and Solaris, as well as routers, have built-in support for IPv6.
It is therefore important for end users and integrators to select networking equipment that incorporates the IPv6 standard. The IOLAN line with support for IPv6 already built in, is the best choice in serial to Ethernet technology.
Flexible and Reliable Serial to Ethernet Connections
An IOLAN SDG W Device Server is ideal for wirelessly connecting serial based COM port, UDP or TCP socket based applications to remote devices. Perle’s TruePort re-director provides fixed TTY or COM ports to serial based applications enabling communication with remote devices connected to Perle IOLAN's either in encrypted or clear text modes. You can also tunnel serial data between devices across an IP network.
Perle's Device Management software provides better centralized control of multiple units resulting in maximum uptime for your remote equipment.
All IOLAN SDG W models have added protection against electrostatic discharges and power surges with robust 15Kv ESD protection circuitry enabling organizations to utilize this solution in the field with confidence.
Lifetime Warranty
All Perle IOLAN SDG Serial to Ethernet Device Servers are backed by the best service and support in the industry including Perle's unique lifetime warranty. Since 1976 Perle has been providing its customers with networking products that have the highest levels of performance, flexibility and quality.
Wi-Fi is a registered trademark of Wi-Fi Alliance Corporation
Software Features - IOLAN SDG W Serial Device Servers
Topology Support | |
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Serial to WLAN | |
Serial to ethernet | |
Ethernet to WLAN | |
Infrastructure ( to Access Point ) and secure peer to peer using SoftAP ( vs legacy “Ad-Hoc” ) | |
Serial Port Access | |
Connect directly using Telnet / SSH by port and IP address | |
Connect with EasyPort menu by Telnet / SSH | |
Use an internet browser to access with HTTP or secure HTTPS via EasyPort Web menu | |
Java-free browser access to remote serial console ports via Telnet and SSH | |
Ports can be assigned a specific IP address ( aliasing ) | |
Multisession capability enables multiple users to access ports simultaneously on 2 and 4 port models | |
Multihost access enables multiple hosts/servers to share serial ports | |
Accessibility | |
In-band ( Ethernet ) and out-of-band ( dial-up modem ) support | |
Dynamic DNS enables users to find a console server from anywhere on the Internet | |
Domain name control through DHCP option 81 | |
IPV6 and IPV4 addressing support | |
Availability | |
Primary/Backup host functionality enables automatic connections to alternate host(s) | |
Security | |
SSH v1 and v2 | |
PCI DSS Compliance: TLS v1.2, TLS v1.1, TLS v1.0, SSL v3.0, SSL v2.0 | |
SSL Server and SSL client mode capability | |
SSL Peer authentication | |
IPSec VPN : NAT Traversal, ESP authentication protocol | |
SSH ciphers: AES-CTR, AES-GCM and ChaCha20-poly1305 | |
SSL encryption: AES-GCM, key exchange ECDH-ECDSA, HMAC SHA256, SHA384 | |
Encryption: AES (256/192/128), 3DES, DES, Blowfish, CAST128, ARCFOUR(RC4), ARCTWO(RC2) | |
Hashing Algorithms: MD5, SHA-1, RIPEMD160, SHA1-96, and MD5-96 | |
Key exchange: RSA, EDH-RSA, EDH-DSS, ADH | |
X.509 Certificate verification: RSA, DSA | |
Certificate authority (CA) list | |
Wireless LAN : WPA-PSK, WPA2-PSK & Enterprise ( EAP, PEAP, LEAP ), WEP, IEEE 802.11i, IEEE 802.1x supplicant | |
Local database | |
RADIUS Authentication, Authorization and Accounting | |
TACACS+ Authentication, Authorization and Accounting | |
LDAP, NIS, Kerberos Authentication | |
RSA SecureID-agent or via RADIUS Authentication | |
SNMP v3 Authentication and Encryption support | |
IP Address filtering | |
Disable unused daemons | |
Active Directory via LDAP | |
Terminal Server | |
Telnet | |
SSH v1 and v2 | |
Rlogin | |
Auto session login | |
LPD, RCP printer | |
MOTD - Message of the day | |
Serial machine to Ethernet | |
Tunnel raw serial data across Ethernet - clear or encrypted | |
Raw serial data over TCP/IP | |
Raw serial data over UDP | |
Serial data control of packetized data | |
Share serial ports with multiple hosts/servers | |
Virtual modem simulates a modem connection - assign IP address by AT phone number | |
Virtual modem data can be sent over the Ethernet link with or without SSL encryption | |
TruePort com/tty redirector for serial based applications on Windows, Linux, Solaris, SCO, HP UX, NCR UNIX and AIX. For a complete list of all the latest drivers click here | |
TrueSerial packet technology provides the most authentic serial connections across Ethernet ensuring serial protocol integrity | |
RFC 2217 standard for transport of serial data and RS232 control signals | |
Customizable or fixed serial baud rates | |
Plug-ins allow customer or Perle provided plug-ins for special applications | |
Software Development Kit ( SDK ) available | |
Serial encapsulation of industrial protocols such as ModBus, DNP3 and IEC-870-5-101 | |
ModBus TCP gateway enables serial Modbus ASCII/RTU device connection to ModBus TCP | |
Data logging will store serial data received when no active TCP session and forward to network peer once session re-established - 32K bytes circular per port | |
Console Management | |
Sun / Oracle Solaris Break Safe | |
Local port buffer viewing - 256K bytes per port | |
External port buffering via NFS, encrypted NFS and Syslog | |
Event notification | |
Manage AC power of external equipment using Perle RPS power management products | |
Clustering - central console server enables access ports across multiple console servers | |
Windows Server 2003/2008 EMS - SAC support GUI access to text-based Special Administrative Console | |
Ping watchdog probes enable customers to power cycle equipment with attached Perle RPS power switches in the event of an unresponsive networking gear | |
Remote Access | |
Dial, direct serial | PPP, PAP/CHAP, SLIP |
HTTP tunneling enables firewall-safe access to remote serial devices across the internet | |
Automatic DNS Update | Utilize DHCP Opt 81 to set IOLAN domain name for easy name management and with Dynamic DNS support , users on the Internet can access the device server by name without having to know its IP address. See Automatic DNS update support for details |
IPSEC VPN client/servers | Microsoft L2TP/IPSEC VPN client ( native to Windows XP) |
Microsoft IPSEC VPN Client ( native to Windows Vista ) | |
Cisco routers with IPSEC VPN feature set | |
Perle IOLAN SDS/STS and SCS models | |
OA&M ( Operations, Administration and Management ) | |
WiFi Protected Setup ( WPS ) | |
SNMP V3 - read and write, Perle MIB | |
Syslog | |
Perle Device Manager - Windows based utility for large scale deployments | |
Configurable default configuration | |
Installation Wizard | |
Set a Personalized Factory Default for your IOLANs | |
Protocols | |
IPv6, IPv4, TCP/IP, Reverse SSH, SSH, SSL, IPSec/IPv4, IPSec/IPv6, L2TP/IPSec, CIDR, RIPV2/MD5, ARP, RARP, UDP, UDP Multicast, ICMP, BOOTP, DHCP, TFTP, SFTP, SNTP, Telnet, raw, reverse Telnet, LPD, RCP, DNS, Dynamic DNS, WINS, HTTP, HTTPS, SMTP, SNMPV3, PPP, PAP/CHAP, SLIP, CSLIP, RFC2217, MSCHAP |
Hardware Specifications
IOLAN SDG1/2 W | IOLAN SDG4 W | |
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Processor | 600Mhz ARM Processor | |
Memory | ||
RAM MB | 512M | |
Flash MB | 4G | |
Interface Ports | ||
Number of Serial Ports | 1 or 2 (DB9M) | 4 (RJ45) |
Serial Port Interface | Software selectable EIA232/422/485 | |
Back of product | ![]() |
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Sun / Solaris | Sun / Oracle ‘Solaris' Safe - no "break signal" sent during power cycle causing costly server re-boots or downtime |
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Serial Port Speeds | 300bps to 230Kbps with customizable baud rate support | |
Data Bits | Configurable for 5,6,7 or 8-bit protocol support Use TruePort to transparently pass 9-bit serial data |
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Parity | Odd, Even, Mark, Space, None | |
Flow Control | Hardware, Software, Both, None | |
Serial Port Protection | 15Kv Electrostatic Discharge Protection (ESD) | |
Local Console Port | RS232 on Serial Port | |
Ethernet Network | Autosensing 1000-base-T / 100-base TX / 10-base T Auto-MDIX | |
Software selectable Ethernet speed 1000/100/10 | ||
Software selectable Half/Full/Auto duplex | ||
Ethernet Isolation | 1.5Kv Magnetic Isolation | |
Integrated Wireless Access | ||
Wireless LAN standards | IEEE 802.11a IEEE 802.11b IEEE 802.11g IEEE 802.11n IEEE 802.11i |
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Wireless Topology | Infrastructure (AP) and Peer to Peer- (SoftAP) modes | |
Wireless Radio | Dual-Band Radio ; 2.4GHz and 5GHz 20, 40Mhz SISO 2.4-GHz | |
Maximal Ratio Combining (MRC), Rx Diversity | 2.4 GHz MRC support for up to 1.4 Extended Range and 5 GHz Diversity Capable | |
Wireless Data Rates | 802.11n: 15, 30, 45, 60, 90, 120, 135, 150 Mbps (40Mhz channel @ 400ns Short GI) 802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps 802.11b: 1, 2, 5.5, 11 Mbps |
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Operational Frequency Range (MHz) | 2412 to 2484 MHz 4910 to 5825 MHz |
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Modulation | DSSS, CCK, OFDM, BPSK, QPSK, 16-QAM, 64-QAM | |
Wireless Receiver Sensitivity in dBm |
802.11b/g (20 MHz channel) 802.11n (20 MHz channel) @ 400ns GI 802.11n (40 MHz channel) @ 400ns GI |
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Wireless Transmit Power in dBm |
(20 MHz channel) (40 MHz channel) |
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Wireless Receiver Sensitivity in dBm |
802.11a 802.11n (20MHz channel) @ 400ns GI 802.11n (40MHz channel) @ 400ns GI |
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Wireless Transmit Power in dBm |
802.11a 802.11n (HT20) @ 400ns GI 802.11n (HT40) @ 400ns GI |
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Short Guard Interval (SGI) | 800ns and 400ns (Short Guard Interval) | |
Wireless Antenna | Dual-band 2.4/5.0 GHz, Omni-directional, Dipole antenna, 50 Ohm, 2 dBi, black with RP-SMA / RSMA finger tighten connector. Same antenna can be used as Main and/or Diversity for increased wireless performance, signal reliability, and extended range. | |
Wireless Security | WEP, WPA-PSK, WPA2-PSK & Enterprise (EAP, PEAP, LEAP), 802.11i (includes hardware-accelerated Advanced Encryption Standard [AES]), 802.1x supplicant | |
Fast Wireless Roaming | Ideal for mobile applications , the IOLAN can transparently roam between APs (Access Points) that share the same ESS (Extended Service Set) | |
WiFi Protected Setup (WPS V2) | A plug and play set up feature where the IOLAN can easily connect to a WPS capable central access point or a SoftAP compliant device supporting WPS | |
Power | ||
Power Supply | 120 V / 230V AC to 12vDC Wall Power Adaptor included. (Barrel connector, commercial-grade temperature – 0 to 60C) | |
2 x Power Supply Selection | Use external power 9-30v DC on standard 5.5mm x 9.5mm x 2.1mm barrel socket or 2-pin terminal block | |
Nominal Input Voltage | 12/24v DC | |
Input Voltage Range | 9-30v DC | |
Typical Power Consumption @ 24v DC (Watts) |
1 port : 3.96 2 port: 4.23 |
4.44 |
Indicators | ||
LEDs | Power/Ready | |
Network Link | ||
Network Link activity | ||
Serial: Transmit and Receive data per port | ||
Wireless Link | ||
Wireless Strength | ||
Environmental Specifications | ||
Heat Output (BTU/HR) |
1 port: 13.5 2 port: 14.4 |
15.1 |
MTBF (Hours)* | 1 port : 222,675 2 port : 206,430 |
170,530 |
Operating Temperature | -40° C to 75° C (-40 F to 167° F) | |
Storage Temperature | -40 C to 85 C (-40 F to 185 F) | |
Humidity | 5 to 95% (non-condensing) for both storage and operation. | |
Case | SECC Zinc plated sheet metal (1 mm) | |
Ingress Protection Rating | IP40 | |
Mounting | Wall or Panel mounting, DIN Rail mounting kit optional | |
Product Weight and Dimensions | ||
Weight | 0.25 kg (0.55 lbs) | 0.4 kg (0.88 lbs) |
Dimensions | 90 x 76 x 24 mm (3.5 x 3.0 x 0.9 in) |
110 x 111 x 24 mm (4.3 x 4.4 x 0.9 in) |
Packaging | ||
Shipping Dimensions | 26 x 17 x7 cm (10.2 x 6.7 x 2.8 in) |
26 x 17 x7 cm (10.2 x 6.7 x 2.8 in) |
Shipping Weight | 0.55 kg (1.21 lbs) | 0.71 kg (1.6 lbs) |
Regulatory Approvals | ||
Emissions | FCC Part 15, Subpart B, Class B | |
CFR47:2003, Chapter 1, Part 15 Subpart B,(USA) Class B | ||
ICES-003, Issue 4, February 2004 (Canada) | ||
EN55022:1998 + A1:2000 + A2:2003 Class A | ||
EN61000-3-2 : 1995, Limits for Harmonic Current Emissions | ||
EN61000-3-3 : 1995, Limits of Voltage Fluctuations and Flicker | ||
Immunity | EN55024:1998 + A1:2001 + A2:2003 | |
EN61000-4-2: Electrostatic Discharge | ||
EN61000-4-3: RF Electromagnetic Field Modulated | ||
EN61000-4-4: Fast Transients | ||
EN61000-4-5: Surge | ||
EN61000-4-6: RF Continuous Conducted | ||
EN61000-4-8: Power-Frequency Magnetic Field | ||
EN61000-4-11: Voltage Dips and Voltage Interruptions | ||
Safety | UL/EN/IEC 62368-1 CAN/CSA C22.2 No. 62368-1 |
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IEC 60950-1 : 2005 (2nd Edition) + A1 : 2009 and EN 60950-1 : 2006 + A11 : 2009 |
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CAN/CSA-C22.2 No. 60950-1-03 and ANSI/UL 60950-1, First Edition April 1st 2003 (Recognized Component) |
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Wireless Regulatory Domain | FCC/ICES ETSI TELEC Users are responsible for verifying approval for use in their individual countries. |
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Radio Approvals | FCC Part 15.247 Subpart C (2.4 Ghz) RSS-210 (Canada), RSS-Gen Issue 2 (Canada), ICES-003 Issue 4 ETSI EN 301 489-1 (V1.9.2) |
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Frequency Bands | FCC / ICES ETSI MIC (formally TELEC) |
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Other | Reach, RoHS and WEEE Compliant | |
CCATS - G168387 | ||
ECCN - 5A992 | ||
HTSUS Number: 8517.62.0020 | ||
Perle Limted Lifetime Warranty |
IOLAN RJ45 Serial Connector Pinout | ||||||
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Pinout | Direction | EIA-232 | EIA-422 | EIA-485 Full Duplex | EIA-485 Half Duplex |
1 | in | DCD | ||||
2 | out | RTS | TxD+ | TxD+ | TxD+/RxD+ | |
3 | in | DSR | ||||
4 | out | TxD | TxD- | TxD- | TxD-/RxD- | |
5 | in | RxD | RxD+ | RxD+ | ||
6 | GND | GND | GND | GND | ||
7 | in | CTS | RxD- | RxD- | ||
8 | out | DTR | ||||
Optional Perle adapters for use with straight thru CAT5 cabling |
IOLAN DB9M Serial Connector Pinout | ||||||
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Pinout | Direction | EIA-232 | EIA-422 Full Duplex | EIA-485 Full Duplex | EIA-485 Half Duplex |
1 | in | DCD | ||||
2 | in | RxD | RxD+ | RxD+ | ||
3 | out | TxD | TxD- | TxD- | TxD-/RxD- | |
4 | out | DTR | ||||
5 | GND | GND | GND | GND | ||
6 | in | DSR | ||||
7 | out | RTS | TxD+ | TxD+ | TxD+/RxD+ | |
8 | in | CTS | RxD- | RxD- | ||
9 |
Seamless Wireless Roaming |
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Serial devices can roam IOLAN SDS W units installed on mobile devices, such as fork lifts with a serial interface, can maintain a continuous connection to network services that are part of Wireless Access Point infrastructure that shares the same ESS ( Extended Service Set ). ![]() |
TCP |
Using RAW TCP Sockets over Wireless LAN A raw TCP socket connection which can be initiated from the serial-Ethernet device or from the remote host/server. This can either be on a point to point or shared basis where a serial device can be shared amongst multiple devices. TCP sessions can be initiated either from the TCP server application or from the Perle IOLAN W serial-Ethernet adapter. ![]() |
UDP |
Using Raw UDP Sockets over Wireless LAN For use with UDP based applications, Perle IOLANs can convert serial equipment data for transport across UDP packets either on a point to point basis or shared across multiple devices. ![]() |
Console Server |
Console Management over Wireless LAN For access to remote console ports on routers, switches, etc. Perle IOLAN’s enable administrators secure access to these RS232 ports via in-band Reverse Telnet / SSH over wireless LANs. ![]() |
COM/TTY |
Connect Serial-based Applications over Wireless LAN with a COM/TTY Port Driver Serial ports can be connected to network servers or workstations running Perle's TruePort software operating as a virtual COM port. Sessions can be initiated either from the Perle IOLAN or from TruePort. ![]() |
Serial Tunneling over Wireless |
Serial Tunneling between two Serial Devices over Wireless Peer to Peer Serial Tunneling enables you to establish a link across Ethernet to a serial port on another IOLAN. Both IOLAN serial ports must be configured for Serial Tunneling. Typically one serial port is configured as a Tunnel Server and the other serial port as a Tunnel Client. ![]() |