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1 port (RS232/422/485) secure and wireless serial device server |
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NetCom 123 WLAN is an industrial-strength network-based serial device server for connecting one RS232/422/485 device like CNC, PLC, weighting scale, scanner and other devices directly to a network running TCP/IP.
This network may be based on 10/100Mbps Ethernet or Wireless LAN as of IEEE 802.11b/g.
NetCom 123 WLAN provides completely secured communication for configuration and to the attached serial device, this is implemented by openVPN tunnel software.
In addition to allowing serial devices to get networked, any host (PC Server or Workstation) without network access can also access remote serial device via adding NetCom devices to the existing serial port.
NetCom 123 WLAN can be configured over Driver Panels, WEB Browser, serial Port, Telnet, SNMP and serves as a transparent serial channel without platform and distance limitation.
Keywords: Serial to Ethernet / WLAN converter, RS232, Device Server, Serial Port Server, RS485/RS422, RS232 zu Ethernet LAN Adapter, TCP/IP, Com Port Redirector, IEEE 802.11b/g
A Serial Device Server for TCP/IP on Ethernet/WLAN and Internet, RS232/422/485 as Com Ports in Windows. Modbus was tested by users.
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| Features |
- Phased Out, no longer available
- Controls 1 RS232/422/485 device located virtually anywhere (via WLAN, Ethernet or Internet)
- Secure encryption on Ethernet and WLAN
- 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, PPP, openVPN
- Supports ART (Automatic Receive Transmit control)
- RS232/422/485 interface selectable by Switches and Software
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| Specifications |
| Hardware |
Processor |
ARM 9 166 MHz |
I/O controller |
16C950 or compatible |
Memory |
16MB SDRAM, 2 MB Flash |
Connector type |
SMA-Reverse for WLAN antenna
RJ45 for Ethernet
DSUB 9 male for serial Port |
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| Interface |
WLAN Interface |
Wireless LAN IEEE 802.11b/g, max. 54 Mb/s
. Encryption WPA2-AES, WPA-PSK/TKIP, WEP-128, WEP-64
. Infrastructure mode (uses an Access Point)
. Ad-hoc mode (direct connection to a PC/Laptop) |
Ethernet Interface |
Auto-detecting 10BaseT/100BaseTx |
Protocols |
TCP/IP, UDP, Telnet, PPP, DHCP, ICMP, HTTP, LPD, SNMP V1/2c/3, DNS |
Serial interface |
RS232/422/485 selected by software or DIP-switch |
No. of port |
1, Speed up to 3.6 Mbps |
Available Modes |
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 |
Signals |
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 |
RS485 Data Control |
Controlled by ART (Automatic Receive Transmit control) or by RTS |
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| Performance |
Speed |
RS232: up to 500 kbps
RS422/485: up to 3.6Mbps |
Parity |
None, even, odd, space, mark |
Data bits |
5, 6, 7, 8 |
Stop bits |
1, 1.5, 2 |
IRQ |
None |
I/O address |
None |
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| Operating Modes |
Driver Mode |
VScom Driver for Windows NT 4.0, 2000 up to 7, Server 2000 up to 2008 R2, both x86 and x64 Editions.
The Driver creates a virtual Com port, using Vscom NetCom protocol. |
TCP Raw Server |
Raw data transfer over TCP/IP. Accepts multiple incoming connections. |
TCP Raw Client |
Raw data transfer over TCP/IP. Connects to multiple hosts or devices waiting for incoming connections. |
TCP Advanced
Settings |
Special settings for user-defined modes. |
UDP Mode |
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 |
Null Modem Tunnel |
Connecting two NetCom used as virtual null modem cable. |
IP Modem |
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 |
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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| Special Features |
Installation |
Configuration utility automatically finds NetCom devices in the network |
Operating Mode |
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. |
Configuration |
Configuration over Driver Panels, NetCom Manager, WEB Browser, serial console, Telnet, SNMP. |
SNMP |
Special VScom MIB included |
ART |
Automatic Receive Transmit control for RS485
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DNS |
Domain Name Server support
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Serial interface |
Serial Interface configurable with DIP switch and by software |
Firewall |
Special precautions for Firewall environments |
Firmware |
Firmware update over WEB Browser, Telnet, ComPort |
LEDs |
LEDs for Power, serial Tx, Rx, Ethernet Link, Speed, WLAN |
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| Security |
Password access |
Every capabilities of configuration use the same password including SNMP V3 |
Secure communication |
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 |
Encryption with 64 and 128 bit for compatibility in simple installations |
WPA |
Modern Wireless protection by WPA2-AES, WPA-PSK/TKIP |
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| Power and Environment |
Power requirements |
9 - 30V DC, 300mA @ 12V |
Power supply Adapter |
12V DC, 1A. Connected by Terminal block |
Dimensions |
73 x 115 x 27 mm (W × L × H)
101 x 121 x 27 mm (W × L × H) with DB9 connector and DIN rail mounting kit |
Operating Temp. |
0°C - 60°C |
Storage Temp. |
-20°C - 85°C |
Case |
SECC sheet metal (1mm) |
Weight |
0.2Kg |
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| Approvals |
EMC |
FCC Class A, CE Class A |
Environment |
RoHS |
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| Ordering Information |
Art.No |
685 |
Product Name |
NetCom 123 WLAN |
Packing list |
. NetCom 123 WLAN
. WLAN antenna
. Power supply adapter 12V, 1000mA
. CD-ROM with Driver and configuration software
. Printed Quick Installation Guide
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Optional Accessories |
. DK 35A - DIN-Rail mounting kit
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