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When
you buy from
Roalan you will be treated well, you will get a
high-quality product which will not cost you a fortune. And you will get more
satisfaction out of your purchase than you expected.
Quad Honestrum.
Join our Many satisfied customers
all over the world.
You don't have to buy online.
Just call us on +44 (0)1202 861512 to discuss your application.
email
Available Products:
PCI
Parallel
PCI-X Parallel
PCI Express
Parallel
PCI Serial
PCI-X Serial
PCI Express Serial
USB to
Industrial
Serial RS232/422 Converters
Ethernet to Serial Servers
WLAN to Serial Servers
ModBus Network Gateways
ExpressCard to
Seria, Firewire, LAN and Serial
ExpressCard to PCMCIA CardBus
Embedded CPU ARM Modules
GSM Phone Switch
USB to GSM 3G Modem
Multi-Modems
Bluetooth to Serial
PCIe Expansion Box
PCI Gigabit Cards
PCMCIA Card Readers
PCI Express Card
Reader
PCI Firewire Cards
Serial to CAN Adapter
USB to CAN Adapter
Network to CAN adapter
PCMCIA Serial
and Parallel Cards
PCMCIA
Synchronous Serial Cards
GPRS
Cellular Serial Modem
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Wireless RS232/422/485 Servers
WiFi LAN RS232/422/485 Serial Servers
 | Controls RS232/422/485 device located virtually anywhere
(via Wireless LANW(LAN), Ethernet or Internet) |
 | Secure encryption on Ethernet and Wireless LAN (WLAN) |
 | Wireless LAN (WLAN) Interface IEEE 802.11b/g 54Mb/s |
 | Lan interface 10BaseT/100BaseTx Ethernet |
 | Driver automatically finds NetCom devices in the network |
 | Configuration over Driver Panels, serial Port, Telnet, WEB
Browser, SNMP |
 | Automatic mode switching between Driver and Raw Mode |
 | Supports TCP/IP, UDP, Telnet, DHCP, ICMP, HTTP, SNMP
V1/2c/3, DNS |
 | Supports ART (Automatic Receive Transmit control) |
 | RS232/422/485 interface selectable by Switches and Software |
 | FCC and CE Class A |
 | RoHS |
 | 3 year warranty |
NetCom 123 WLAN
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1
Port RS232/422/485 via Wireless LAN, Ethernet or Internet |
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Secure
encryption on Ethernet and WLAN |
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WLAN
Interface IEEE 802.11b/g 54Mbps |
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DIN
RAIL mountable |
NET123

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NetCom
423 WLAN
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4
Port RS232/422/485 via Wireless LAN, Ethernet or Internet |
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Secure
encryption on Ethernet and WLAN |
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WLAN
Interface IEEE 802.11b/g 54Mbps |
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DIN
RAIL mountable |
|
NET423

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Processor
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ARM 9 166 MHz
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I/O controller
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16C950 or compatible
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Memory
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16MB SDRAM, 2 MB Flash
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Connector type
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SMA-Reverse for WLAN antenna,
RJ45 for Ethernet,
DSUB 9 male for serial Port
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WLAN interface
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Wireless LAN IEEE 802.11b/g, max. 54 Mb/s
Encryption WPA-PSK/TKIP, WEP-128, WEP-64
Infrastructure mode (uses an Access Point)
Ad-hoc mode (direct connection to a PC/Laptop)
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Ethernet interface
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Auto-detecting 10BaseT/100BaseTx
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Protocols
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TCP/IP, UDP, Telnet, DHCP, ICMP, HTTP, LPD, SNMP
V1/2c/3, DNS
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Serial interface
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RS232/422/485 selected by software or DIP-switch
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No. of port
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1
or 4 Speed up to 1.843 Mbps
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Available Modes
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RS232 full duplex
RS422 full duplex
RS485 4 wire, full duplex
RS485 2 wire, half duplex, with echo
RS485 2 wire, half duplex, without echo
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Signals
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RS232 TxD,RxD, RTS,CTS, DTR,DSR, DCD, RI, GND
RS422 Tx+/-, Rx+/-, GND
RS485 2 wire Data+/-, GND
RS485 4 wire Tx+/-, Rx+/-, GND
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RS485 Data control
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Controlled by ART (Automatic Receive Transmit control)
or RTS
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Speed
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RS232: up to 921.6 kbps
RS422/485: up to 1.843Mbps
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Parity
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None, even, odd, space, mark
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Data bits
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5, 6, 7, 8
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Stop bits
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1, 1.5, 2
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IRQ
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None
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I/O address
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None
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Driver mode
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VScom Driver for Windows NT 4.0, 2000, XP and 2003
Driver Mode creates virtual Com port.
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TCP Raw Server
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Raw data transfer over TCP/IP. Accepts multiple
incoming connections.
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TCP Raw Client
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Raw data transfer over TCP/IP. Connects to multiple
hosts or devices waiting for incoming connections.
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TCP Advanced Settings
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Special settings for user-defined modes
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UDP Mode
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Raw data transfer by UDP. The NetCom is client and
server at the same time. Timeout functionality, maximum packet size and
a configurable trigger string define the packets of incoming data to
send over UDP
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Null Modem Tunnel
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Connecting two NetCom used as virtual null modem
cable.
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IP Modem
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The serial port emulates a standard modem. Operates by
AT-commands, and dials to IP-Addresses instead of phone numbers.
Windows "INF"-Driver provided for installation.
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Print Server
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The NetCom accepts print jobs, and spools them to the
attached serial printer. Operates as of RFC1197, similar to the line
printer daemon in Unix-systems
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Supported
Operating Systems |
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Windows 7 32/64, |
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Power requirements
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9 - 30V DC, 500mA @ 12V
8 Port 100 - 240V AC 47-63 Hz, 25VA
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Power supply Adapter 1 & 4 Port
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12V DC, 1A. Connected by Terminal block
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Dimension
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73×115×27 mm³
(W×L×H)
101×121×27 mm³ with DB9 connector and ears
8 Port 258×149×45 mm³ (W×L×H)
278×155×46 mm³ with DB9 connectors and DIN-RAIL ears
19" 1HU Rackmount
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Operating Temp
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0°C - 55°C
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Storage Temp
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-20°C - 85°C
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Case
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SECC sheet metal (1mm)
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Weight
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0.2kg 1 port 0.4Kg, 4 port 1.2Kg, 8 port
1.9Kg
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Installation
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Configuration utility automatically finds NetCom
devices in the network
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Operating mode
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Automatic mode switching between Driver and TCP RAW
mode.
With TCP Advanced settings it is possible to configure the NetCom for
using it in multiple modes, so it decides automatically which mode
should be used.
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Configuration
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Configuration over Driver Panels, NetCom Manager, WEB
Browser, serial console, Telnet, SNMP
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SNMP
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special VScom MIB included
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ART
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Automatic Receive Transmit control for RS485
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DNS
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Domain Name Server support
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Serial interface
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Serial Interface configurable with DIP switch and by
software
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Firewall
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Special precautions for Firewall environments
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Firmware
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Firmware update over WEB Browser, Telnet, ComPort
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LEDs
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LEDs for Power, serial Tx, Rx, Ethernet Link, Speed,
WLAN
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Password access
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Every capabilities of configuration use the same
password including SNMP V3
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Secure communication
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OpenVPN™
tunnel provides security on Ethernet and Wireless networks. The tunnel
protects the configuration as well as all serial data. It is also usable
across the Internet.
Strong encryption by AES up to 256 bit keys.
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WEP
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Encryption with 64 and 128 bit for compatibility in
simple installations
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WPA
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Modern Wireless protection by WPA-PSK/TKIP
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Download Manual
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