VSCOM netcom 123 User manual

VS NetCom Wireless Serial
Device Server
WLAN Versions User Manual
NetCom 123, 423, 823RM and 1623RM

Page 1 NetCom 123 WLAN, 423 WLAN,
1. TABLES
1.1. TABLE OF CONTENTS
1. TABLES.................................................................. 1
1.1. TABLE OF CONTENTS ..................................................... 1
1.2. TABLE OF IMAGES........................................................... 6
1.3. TABLE OF TABLES ......................................................... 10
2. INTRODUCTION ..................................................11
2.1. FEATURES......................................................................... 11
2.2. PRODUCT SPECIFICATIONS ....................................... 12
2.2.1. Common Characteristics............................................... 12
2.2.2. Specific Characteristics ................................................ 13
2.2.2.1. NetCom 123 WLAN............................................. 13
2.2.2.2. NetCom 423 WLAN............................................. 13
2.2.2.3. NetCom 823RM WLAN (19” version) ............... 13
2.2.2.4. NetCom 1623RM WLAN (19” version) .............. 13
2.3. PACKING LIST ................................................................. 13
3. HARDWARE CONFIGURATION .........................14
3.1. POWER SUPPLY............................................................... 14
3.2. NETWORK......................................................................... 14
3.2.1. WLAN Antenna............................................................ 14
3.2.2. WLAN Configuration................................................... 14
3.2.3. Ethernet......................................................................... 15
3.3. SERIAL PORT SIMPLE SETTINGS.............................. 15
4. WINDOWS DRIVER QUICK INSTALLATION ..... 16
4.1. INSTALLATION PROCEDURE ..................................... 16
4.1.1. Start the Installation Wizard ......................................... 16
4.1.2. Find and configure NetCom Devices ........................... 17
4.1.2.1. Configure IP Parameters....................................... 18
4.1.2.2. Configure Firewall................................................ 18
4.1.3. Install Drivers ............................................................... 19
4.2. VERIFY THE INSTALLATION...................................... 20
4.3. UNINSTALL THE DRIVERS .......................................... 22
5. SOFTWARE CONFIGURATION ..........................23

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5.1. CONFIGURE IN WEB-INTERFACE ............................. 25
5.1.1. Webbrowser Server Configuration............................... 26
5.1.1.1. Server Info ............................................................ 26
5.1.1.2. Server Parameter................................................... 27
5.1.1.3. Wireless Parameter ............................................... 28
5.1.1.4. Encrypted Communication ................................... 29
5.1.1.5. Authentification .................................................... 31
5.1.1.6. Date & Time ......................................................... 31
5.1.2. Webbrowser Serial Port Configuration ........................ 32
5.1.2.1. Serial Settings ....................................................... 32
5.1.2.2. Transfer Settings................................................... 34
5.1.2.2.1. Driver Mode................................................................34
5.1.2.2.2. TCP Raw Server .........................................................34
5.1.2.2.3. TCP Raw Client ..........................................................35
5.1.2.2.4. Null Modem Tunnel....................................................36
5.1.2.2.5. IP-Modem ...................................................................36
5.1.2.2.6. TCP Advanced Settings ..............................................37
5.1.2.2.7. UDP Data Transfer .....................................................37
5.1.2.2.8. Print Server Function ..................................................38
5.1.3. Webbrowser NetCom Tools ......................................... 38
5.1.3.1. Ping....................................................................... 39
5.1.3.2. Statistics................................................................ 39
5.1.3.3. Netstat................................................................... 40
5.1.3.4. Wireless ................................................................ 41
5.1.3.5. Firmware............................................................... 42
5.1.3.6. Save and Load Configuration ............................... 42
5.1.3.7. Logging and Debug .............................................. 42
5.2. CONFIGURE WITH MANAGER PROGRAM ............. 43
5.2.1. Starting NetCom Manager............................................ 44
5.2.2. NetCom Server Settings - Info ..................................... 45
5.2.3. NetCom Server Settings - Ports.................................... 46
5.2.4. NetCom Server Settings - Firewall............................... 47
5.2.5. NetCom Server Settings – Options............................... 48
5.2.6. Manual Detection/Installation of a NetCom................. 49
5.2.7. Firewall Traversal Configuration ................................. 49
5.2.7.1. SOHO Firewall example ...................................... 49
5.2.7.2. SOHO Virtual Servers .......................................... 50

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5.2.7.3. NetCom Detection through SOHO Firewall ........ 51
5.2.7.4. Serial Ports through SOHO Firewall .................... 52
5.2.7.5. DMZ and Virtual Servers ..................................... 53
5.2.8. Dynamic IP Address and OpenVPN™......................... 53
5.3. CONFIGURE NETCOM VIA TELNET CONSOLE..... 54
5.3.1. Telnet Main Menu ........................................................ 55
5.3.2. Server Configuration Menu .......................................... 56
5.3.2.1. Parameter .............................................................. 56
5.3.2.2. Wireless ................................................................ 57
5.3.2.3. Encrypted Communication ................................... 58
5.3.2.4. Authentication ...................................................... 61
5.3.2.5. Date & Time ......................................................... 61
5.3.2.6. Info........................................................................ 62
5.3.3. Serial Ports Menu ......................................................... 63
5.3.3.1. Communication Parameters.................................. 63
5.3.3.2. Data Transfer Modes ............................................ 65
5.3.3.2.1. Driver Mode................................................................67
5.3.3.2.2. TCP Raw Server Mode ...............................................67
5.3.3.2.3. TCP Raw Client Mode................................................68
5.3.3.2.4. Null Modem Tunnel....................................................68
5.3.3.2.5. IP Modem....................................................................69
5.3.3.2.6. UDP Mode ..................................................................69
5.3.3.2.7. Print Server Function ..................................................70
5.3.4. Tools Menu................................................................... 70
5.3.4.1. Ping....................................................................... 70
5.3.4.2. Statistics................................................................ 71
5.3.4.3. Netstat................................................................... 71
5.3.4.4. Wireless ................................................................ 72
5.3.4.5. Logging................................................................. 73
5.3.4.6. Firmware............................................................... 73
5.3.5. Save&Exit Menu .......................................................... 74
5.3.5.1. Save Parameter ..................................................... 74
5.3.5.2. Exit........................................................................ 74
5.3.5.3. Reboot................................................................... 74
5.4. CONFIGURE NETCOM VIA SERIAL CONSOLE ...... 75
6. THE VIRTUAL COM DRIVER ..............................76

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6.1. INSTALLATION OF NETCOM SERVERS................... 76
6.1.1. Changing the Installation.............................................. 78
6.2. CONFIGURE THE SERIAL PORTS .............................. 79
6.3. PERFORMANCE ISSUES................................................ 80
6.4. NETWORK & MISC PROPERTIES............................... 81
6.5. REMOTE SETTINGS PROPERTIES............................. 83
7. UNINSTALLING THE SOFTWARE .....................85
8. SPECIAL FUNCTIONALITIES .............................87
8.1. IP MODEM FUNCTION................................................... 87
8.1.1. Some Possible Scenarios: ............................................. 87
8.1.2. Serial signals and cables ............................................... 88
8.1.3. Operation Modes by IP Modem ................................... 89
8.1.4. Hayes commands.......................................................... 89
8.1.4.1. AT command set................................................... 89
8.1.4.1.1. Standard AT-Commands.............................................90
8.1.4.1.2. Extended AT-Commands............................................90
8.1.4.1.3. Non-AT commands.....................................................91
8.1.4.2. S-Registers for Configuration............................... 91
8.1.4.3. Sample Commands used by Windows ................. 92
8.1.5. Description of AT-Commands ..................................... 92
8.1.5.1. AT D (dial) ........................................................... 92
8.1.5.2. AT O (online / data mode).................................... 93
8.1.5.3. AT A (answer call) ............................................... 93
8.1.5.4. AT B (modulation) [ATB1]................................ 93
8.1.5.5. AT E (echo) [ATE1]........................................... 93
8.1.5.6. AT Q (quiet) [ATQ0] .......................................... 93
8.1.5.7. AT V (verbose) [ATV1] ...................................... 94
8.1.5.8. AT H (hangup) [ATH0]....................................... 94
8.1.5.9. AT I(n) (information) [ATI0] .............................. 94
8.1.5.10. AT S (setup).......................................................... 94
8.1.5.11. AT L (loudness).................................................... 95
8.1.5.12. AT M (speaker) .................................................... 95
8.1.5.13. AT N (auto baud) ATN0 ..................................... 95
8.1.5.14. AT Z (reset) .......................................................... 95
8.1.5.15. AT &F (factory settings) [AT&F0] ..................... 95
8.1.5.16. AT &C (DCD configuration) [AT&C1].............. 95

Page 5 NetCom 123 WLAN, 423 WLAN,
8.1.5.17. AT &S (DSR configuration) [AT&S0] ............... 95
8.1.5.18. AT &D (DTR configuration) [AT&D2].............. 96
8.1.5.19. AT &K (handshake) [AT&K3] AT \Q [AT\Q3]
96
8.1.5.20. AT &V (view profile)........................................... 96
8.1.5.21. AT &W (save profile)........................................... 96
8.1.5.22. AT &Z (save destination) ..................................... 96
8.2. PRINT SERVER OPERATION ....................................... 97
8.2.1. Printer Queue................................................................ 97
8.2.2. Printer Reset ................................................................. 98
8.2.2.1. Init String Definition ............................................ 98
8.2.2.1.1. ASCII Text..................................................................98
8.2.2.1.2. ASCII Control Codes..................................................98
8.2.2.1.3. Numeric Codes............................................................98
8.2.2.1.4. Modem Control Signals ..............................................98
8.2.2.1.5. Timing Options ...........................................................99
8.2.2.2. Reset Example ...................................................... 99
8.2.3. Operation in Windows®............................................... 99
8.2.3.1. Add a New Printer ................................................ 99
8.2.3.1.1. Create new printer port .............................................100
8.2.3.1.2. Name the new Printer Port........................................101
8.2.3.1.3. Configure the Printer Port.........................................101
8.2.3.1.4. Install Printer Driver .................................................102
8.2.3.2. Modify an Existing Printer ................................. 102
8.2.3.2.1. Open the properties ...................................................103
8.2.3.2.2. Add the Print Server Port..........................................103
8.3. OPENVPN™ ENCRYPTION ......................................... 104
8.3.1. OpenVPN™ Installation............................................. 104
8.3.2. NetCom OpenVPN Configuration.............................. 106
8.3.3. OpenVPN™ Configuration ........................................ 106
8.3.3.1. OpenVPN Configuration File............................. 107
8.3.3.2. Start OpenVPN™ by Context-Menu.................. 108
8.3.3.3. Start OpenVPN™ by Command line ................. 109
8.3.3.4. Start OpenVPN™ as Windows Service ............. 110
8.3.4. OpenVPN without Encryption.................................... 111
8.3.5. Reconfigure Virtual Serial Ports for OpenVPN™ ..... 112
9. TCP/IP DESCRIPTION.......................................113

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9.1. RECOMMENDED SETTINGS ...................................... 113
9.1.1. Static Configuration.................................................... 113
9.1.2. DHCP Configuration .................................................. 113
9.1.3. Automatic Configuration (APIPA)............................. 114
9.1.4. Other Configuration.................................................... 114
10. HARDWARE DETAILS ......................................115
10.1. SERIAL PORT CONFIGURATION ......................... 115
10.2. SIGNAL ASSIGNMENT ............................................. 116
10.3. RS422/485 ELECTRICAL CONFIGURATION....... 117
10.3.1. Termination Resistors................................................. 117
10.3.2. BIAS Function............................................................ 117
10.4. VIEWS OF NETCOM ................................................. 118
10.4.1. NetCom 123 WLAN................................................... 118
10.4.2. NetCom 423 WLAN................................................... 119
10.4.3. NetCom 823RM WLAN ............................................ 120
10.4.4. NetCom 1623RM WLAN .......................................... 120
11. TROUBLESHOOTING GUIDE ...........................121
12. GLOSSARY OF TERMS .................................... 124
1.2. TABLE OF IMAGES
Master Switch Standard Configuration ................................................ 15
Installation Wizard ............................................................................... 16
Start Driver Installation ........................................................................ 16
Discover and Select NetCom Devices for Installation ......................... 17
NetCom in Manager ............................................................................. 17
Define NetComs IP Configuration ....................................................... 18
Use current drivers dialog..................................................................... 19
Install drivers for the serial ports.......................................................... 20
VScom drivers in the Start Menu ......................................................... 20
NetCom in Device Manager ................................................................. 21
NetCom Manager NT ........................................................................... 21
Uninstall NetCom Drivers .................................................................... 22
NetCom Manager ................................................................................. 23
NetCom Manager Servers Panel........................................................... 24
NetCom IP-Parameters ......................................................................... 24

Page 7 NetCom 123 WLAN, 423 WLAN,
Webinterface for configuration ............................................................ 25
Webinterface Request to Reboot .......................................................... 25
Web Panel Server Information ............................................................. 26
Web Panel Server Parameter ................................................................ 27
Web Panel Wireless Parameter............................................................. 28
Web Panel OpenVPN Network Parameter........................................... 30
Web Panel OpenVPN Encryption grades............................................. 30
Web Panel OpenVPN Key Configuration ............................................ 30
Web Panel Authentification.................................................................. 31
Web Panel Date & Time....................................................................... 31
Web Panel Serial Settings..................................................................... 32
Web Panel Op-Mode by Software........................................................ 32
Web Panel Advanced Flow Control ..................................................... 33
Web Panel Serial Port Mode Selection................................................. 34
Web Panel Driver Mode ....................................................................... 34
Web Panel TCP Raw Server................................................................. 34
Web Panel Raw Client.......................................................................... 35
Web Panel Null Modem Tunnel........................................................... 36
Web Panel IP-Modem .......................................................................... 36
Web Panel TCP Advanced Settings ..................................................... 37
Web Panel UDP Data Transfer............................................................. 37
Web Panel Print Server Configuration ................................................. 38
Web Panel Ping .................................................................................... 39
Web Panel Statistics Port Selection...................................................... 39
Web Panel Port Statistics...................................................................... 39
Web Panel Start Netstat........................................................................ 40
Web Panel Netstat Output .................................................................... 40
Web Panel WLAN Scan ....................................................................... 41
Web Panel WLAN Scan Output........................................................... 41
Web Panel Firmware Upload ............................................................... 42
Web Panel Save/Load Configuration ................................................... 42
Web Panel Syslog & Debug ................................................................. 42
NetCom Manager ................................................................................. 43
NetCom Manager in Start Menu .......................................................... 43
NetCom Manager in Device Manager.................................................. 43
NetCom Manager “Servers” Panel ....................................................... 44

823RM WLAN, 1623RM WLAN Page 8
NetCom Manager Server Settings ........................................................ 45
NetCom Manager Ports Panel .............................................................. 46
NetCom Manager Firewall Panel ......................................................... 47
NetCom Manager Options Panel.......................................................... 48
NetCom Manager Firewall Panel ......................................................... 51
NetCom Manager Port Configuration for Driver ................................. 52
Telnet Password protected option......................................................... 54
Telnet Open configuration menu.......................................................... 54
Telnet Main menu configuration console............................................. 55
Telnet Server Configuration ................................................................. 56
Telnet IP-Configuration Parameters..................................................... 56
Telnet Wireless Configuration.............................................................. 57
Telnet Wireless Configuration Parameter ............................................ 57
Telnet Wireless Configuration.............................................................. 58
Telnet OpenVPN Configuration Parameter.......................................... 59
Telnet OpenVPN Encryption................................................................ 59
Telnet Sample OpenVPN Key.............................................................. 60
Telnet use new Key .............................................................................. 60
Telnet Access Authentication............................................................... 61
Telnet Password Dialog........................................................................ 61
Telnet Date & Time.............................................................................. 61
Telnet Date and Time Retrieval options............................................... 61
Telnet Information................................................................................ 62
Telnet NetCom Server Information...................................................... 62
Telnet Menu, select serial port for configuration ................................. 63
Telnet Configure Communication Parameters ..................................... 63
Telnet Serial transfer parameters.......................................................... 63
Telnet Op-Mode by Software ............................................................... 63
Telnet Standard Flow Controls............................................................. 64
Telnet Advanced Flow Control configuration...................................... 64
Telnet Configure Data Transfer Mode (TCP/IP).................................. 65
Telnet TCP-Ports for Driver and Raw mode ........................................ 65
Telnet Available Transfer Modes ......................................................... 65
Telnet Parameters for transfer modes................................................... 66
Telnet Driver Mode parameters............................................................ 67
Telnet TCP Raw Server parameters ..................................................... 67

Page 9 NetCom 123 WLAN, 423 WLAN,
Telnet TCP Raw Client parameters ...................................................... 68
Telnet Null Modem Tunnel parameters................................................ 68
Telnet IP Modem Parameters ............................................................... 69
Telnet UDP Mode parameters .............................................................. 69
Telnet Print Server Configuration ........................................................ 70
Telnet Tools menu ................................................................................ 70
Telnet Ping test utility........................................................................... 70
Telnet Statistics for serial ports ............................................................ 71
Telnet Status and Statistics ................................................................... 71
Telnet Netstat analysis.......................................................................... 71
Telnet Sample Netstat output ............................................................... 71
Telnet Tools Wireless Option............................................................... 72
Telnet Sample WLAN Scan Output ..................................................... 72
Telnet Syslog Option ............................................................................ 73
Telnet Syslog configuration.................................................................. 73
Telnet Firmware Update....................................................................... 73
Telnet Settings, Firmware Update via TCP/IP ..................................... 73
Telnet Save current Parameters ............................................................ 74
Telnet Exit from configuration ............................................................. 74
Telnet Exit and Reboot ......................................................................... 74
Select NetCom to install ....................................................................... 76
Excluded NetCom................................................................................. 77
NetCom Manager Ports View............................................................... 77
Reconfigured NetCom found................................................................ 78
Replaced NetCom found ...................................................................... 78
NetCom COM Port Serial Settings....................................................... 79
NetCom COM Port Performance Settings............................................ 80
NetCom COM Port Network & Misc Properties.................................. 81
NetCom COM Port Remote Settings Properties .................................. 83
Uninstall in Control Panel -> Add/Remove programs ......................... 85
Uninstall in the Start Menu................................................................... 85
Confirm Uninstall of Drivers................................................................ 85
Installation Wizard to uninstall Drivers................................................ 86
Add a printer......................................................................................... 99
Select Printer Port.............................................................................. 100
Create Printer Port .............................................................................. 100

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Properties of Print Server Port............................................................ 101
Properties of Print Server Port............................................................ 102
Printer Port Properties ........................................................................ 103
Add Printer Port.................................................................................. 103
OpenVPN Installation Wizard............................................................ 104
OpenVPN Installable Components..................................................... 105
Installing TAP-Win32 Adapter .......................................................... 105
OpenVPN Network Adapter............................................................... 105
OpenVPN Configuration File............................................................. 107
Context-Menu of OpenVPN™ ........................................................... 108
OpenVPN Connection is active.......................................................... 109
OpenVPN by Command line.............................................................. 109
OpenVPN as Windows Service.......................................................... 110
Start OpenVPN Service ...................................................................... 111
Service Options................................................................................... 111
Startup Types...................................................................................... 111
RS422/485 Jumper ............................................................................. 117
NetCom 123 WLAN Top and Front Side........................................... 118
NetCom 423 WLAN Top and Front Side........................................... 119
NetCom 823RM WLAN Front Side................................................... 120
NetCom 823RM WLAN Rear Side.................................................... 120
1.3. TABLE OF TABLES
Specifications, common........................................................................ 12
Characteristics of NetCom 123 WLAN................................................ 13
Characteristics of NetCom 423 WLAN................................................ 13
Characteristics of NetCom 823RM WLAN ......................................... 13
Characteristics of NetCom 1623RM WLAN ....................................... 13
LED Function ....................................................................................... 15
IP Modem Standard AT-Commands .................................................... 90
IP Modem Extended AT-Commands ................................................... 91
IP Modem S-Registers for Configuration............................................. 91
Master Switch Configuration of NetCom 123, 423, 823RM and
1623RM ...................................................................................... 115
Signal Assignment DB9 male............................................................. 116
RS422/485 Jumper Configuration...................................................... 117

Page 11 NetCom 123 WLAN, 423 WLAN,
2. INTRODUCTION
This manual covers several different models of NetCom Devices, in
particular the Wireless operating devices. In general the operation is the
same on all models, except where explicitly noted otherwise.
The VS NetCom devices are designed to remotely operate serial ports
over networks. The new network interface is WLAN (Wireless LAN
according to 802.11g) with 54Mbit/s transfer rate. The interface of
100Mbit/s Ethernet as on all cable operated models is also available.
The transport is implemented via TCP/IP protocol. Therefore control is
available via WLAN, Ethernet, Intranet and Internet. Starting with
Firmware version 2.2 all communication with the device may happen
encrypted with strong algorithms.
The supplied driver software hides the network transfer from your
applications. Software applications using standard COM ports need no
change to operate via NetCom through the virtual serial ports.
The devices come with a steel case well suited for industrial
environments.
NetCom supports high serial speeds up to 3.6 Mbps. All serial ports
operate in three configurable ways. There is the common RS-232 mode
(up to 921 kbps), and the ports also offer the industrial RS-422 and
RS-485 configuration (up to 3.6 Mbps). In RS-485 mode the NetCom
may use the Automatic Receive Transmit (ART) control logic to follow
the RS-485 specifications for transmitting data. No special code is
necessary to be implemented in your software applications.
2.1. FEATURES
 Single power supply DC 9V-30V, 200-600 mA@12V
AC 100-240V 47-63Hz, 25VA
 Wireless LAN 802.11b/g for 54Mbit/s
 Ethernet 10/100BaseTx for auto-configuration
 Three serial port interfaces: RS-232, RS-422 and RS-485
 Max. 3.686.400 bps, half- and full-duplex
 TCP/IP configuration fixed or by DHCP
 Easy remote configuration via SNMP
 Drivers for Windows™ and Linux operating systems
 Documented interface for every networked operating system

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2.2. PRODUCT SPECIFICATIONS
Most of the characteristics are common for all models. However some
must differ from model to model.
2.2.1.COMMON CHARACTERISTICS
Processor ARM9 (KS8695P)
Memory 16MB SDRAM
2MB Flash
WLAN antenna SMA-reverse
Ethernet connector RJ45 10BaseT/100BaseTx
Serial connector DB9 male (similar to PC)
Serial Speed 1 bps up to 3.69 Mbps
Parity None, Even, Odd, Mark, Space
Data bits 5, 6, 7, 8
Stop bits 1, 2 (1.5)
Serial signals RS-232 TxD, RxD, RTS, CTS,
DTR, DSR, DCD, RI, GND
RS-422,
RS-485 4-wire
Tx+/Tx-, Rx+/Rx-, GND
RS-485 2-wire Data+/Data-, GND
Protocols TCP/IP, UDP, SNMP, DHCP, ICMP, ARP,
Telnet, RTelnet, HTTP
Serial operation RS232, RS422/485 configured by DIP switch
or by software
Management Serial console, Telnet, Webbrowser, SNMP
Driver software Windows 2000/XP, Windows NT, Linux
Management software Driver installation and configuration program,
Management console
Operating temp. 0° to 55°C
Approval CE, FCC
Table 1: Specifications, common

Page 13 NetCom 123 WLAN, 423 WLAN,
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√
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2.2.2.SPECIFIC CHARACTERISTICS
2.2.2.1. NetCom 123 WLAN
Power requirement DC 9V to 30V, 300 mA@12V
Dimensions 73×115×27 mm³ (W×D×H)
101×121×27 mm³ with connectors
Weight 250 g
Table 2: Characteristics of NetCom 123 WLAN
2.2.2.2. NetCom 423 WLAN
Power requirement DC 9V to 30V, 400 mA@12V
Dimensions 169×93×29 mm³ (W×D×H)
169×99×29 mm³ with connectors
Weight 500 g
Table 3: Characteristics of NetCom 423 WLAN
2.2.2.3. NetCom 823RM WLAN (19” version)
Power requirement AC 100V to 240V, 47-63Hz, 25VA
Dimensions 258×149×45 mm³ (W×D×H)
278×155×46 mm³ with connectors
Weight 1350 g
Table 4: Characteristics of NetCom 823RM WLAN
2.2.2.4. NetCom 1623RM WLAN (19” version)
Power requirement AC 100V to 240V, 47-63Hz, 25VA
Dimensions 258×149×45 mm³ (W×D×H)
278×155×46 mm³ with connectors
Weight 1450 g
Table 5: Characteristics of NetCom 1623RM WLAN
2.3. PACKING LIST
VS NetCom
Power supply adapter,
12V 1 A for NetCom 123 WLAN and NetCom 423 WLAN
Power cord for NetCom 823RM WLAN and 1623RM WLAN
CD-ROM with driver and configuration software
Quick Installation Guide

823RM WLAN, 1623RM WLAN Page 14
3. HARDWARE CONFIGURATION
3.1. POWER SUPPLY
The NetCom device is powered by a single 9-30V power supply. It
requires 200 mA up to 1500 mA of current, depending on the device
type and voltage supplied. A suitable power supply adapter is part of
the packaging. Connect the cable to the power jack at the rear side of
NetCom, and put the adapter into the socket. For the 19” devices of
course just plug the power cord into the socket.
The Power LED on NetCom (red) will light.
You can connect a power supply of your choice, providing the technical
requirements are met.
3.2. NETWORK
The NetCom may use WLAN or Ethernet at customers choice. By
factory settings both interfaces are enabled, and the priority is set for
Ethernet (via cable). If no cable is connected here, the Wireless
interface is active. Both interfaces use the same MAC Address, to allow
for seamless failover from cable to wireless operation.
3.2.1.WLAN ANTENNA
The connector used for the WLAN Antenna is known as SMA-Reverse.
This is a standard type to allow for simple connection of different
equipment. Just fit the supplied antenna by carefully screwing it to the
connector. You are free to connect a cable and a different antenna of
your choice, as long as it is designed for WLAN. When the NetCom
detects an operational WLAN it can connect to, the Blue LED lights.
3.2.2.WLAN CONFIGURATION
The pre-defined operation mode is ad-hoc, which means you do not
need an Access Point to get access to the NetCom. Any computer with
WLAN equipment may contact the NetCom. The configuration of the
NetCom is done with the tools described later. This is the most easy
way of installation.
However the Ad-hoc mode is not encrypted by definition. As a result
any station can read the data transferred to the NetCom. This also
includes the passwords. Further in case of problems, it is harder to find
the source of the problems. Therefore the recommended method is to

use the Ethernet connector for the first configuration. Or in case of
doubt, use the serial port for this.
The configuration of the WLAN parameters should follow in a later
step. This is especially the case, if encryption or certain other
parameters require certain configuration.
3.2.3.ETHERNET
The connector for Ethernet is the usual RJ45. Simply connect it to your
(switching) Hub. When the connect is done the Link LED on NetCom
(yellow) will light. When data traffic occurs on the network, this LED
will blink. It depends on your network whether a 100Mbit or a 10Mbit
connect will be established. A 100Mbit net causes the Speed LED on
NetCom (green) to light, otherwise it will remain dark.
Red LED Yellow LED Green LED Status
Off -- -- Device off, no power
On Off Off No connection
On On Off 10Mbit connection established
On Blink Off 10Mbit data transfer (traffic)
On On On 100Mbit connection established
On Blink On 100Mbit data transfer (traffic)
Table 6: LED Function
3.3. SERIAL PORT SIMPLE SETTINGS
There is one set of 4 Dip switches to configure the operation mode of
the NetCom Device. This switch is the Master configuration for each
serial port. All ports operate in the same mode, unless the DIP switches
configure for software setting. Before connecting a serial device, the
serial port configuration must be completed.
Warning: a bad configuration may cause serious damage in the
NetCom or the connected device.
To avoid these problems, it is recommended not to connect a device to
the serial ports in the first installation. The serial ports should be
configured for RS232. This is done by setting the DIP switches like this
example.
Image 1: Master Switch
Standard Configuration
Page 15 NetCom 123 WLAN, 423 WLAN,

4. WINDOWS DRIVER QUICK INSTALLATION
This section describes the minimum steps required to install the
Windows Driver and Management programs. Most configuration
options are ignored. They are covered in later sections.
Before starting installation, it is essential to have an IP configuration
ready for the NetCom Device to install. You may read the section
TCP/IP Description below. In many networks the default configuration
is fine. If in doubt, please ask your Network Administrator for help.
The following description is based on Windows XP Professional, with
Service Pack 2 installed. The installation on other configurations of
Windows XP is similar.
Further it is assumed the network access is functional. It is
recommended to use Ethernet via Hub or Cross-Over cable.
4.1. INSTALLATION PROCEDURE
The installation of drivers is described first. This is followed by a
procedure to verify a correct installation. The last part of this section is
the uninstall process.
4.1.1.START THE INSTALLATION WIZARD
This is the Installation Wizard, it is named
VSNSETUP.EXE. You’ll find it on the CD-ROM
shipped with the NetCom, in the directory responsible
for your operating system. The drivers are also
available on the Internet, in the latest version. The
Installation Wizard for Windows NT is named
VSNSTUNT.EXE. Start this program to install the
drivers.
Image 2:
Installation Wizard
Your screen displays a VScom logo. Select the folder to install
programs and drivers into. In most situations the suggested setting is
fine, just hit enter.
Image 3: Start Driver Installation
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4.1.2.FIND AND CONFIGURE NETCOM DEVICES
Some files are copied to your hard disk, this is the usual process similar
to other Windows installations. When all files are copied, the
NetCom Manager1program is started. This searches for all
NetCom Devices on your network.
Image 4: Discover and Select NetCom Devices for Installation
After short time the search process is finished. All
discovered NetCom are listed. In your very first
installation of NetCom Devices and Drivers you should
connect only one NetCom to your network. This single
Device is listed here. Identify it by comparing the serial
number shown in the NetCom Manager.
Image 5: NetCom
in Manager
Page 17 NetCom 123 WLAN, 423 WLAN,
1This program is covered in detail in a later section. For now follow the minimum
steps.

4.1.2.1. Configure IP Parameters
As mentioned above, it is important to configure the NetCom to operate
in your network. In many networks this is done by a special server.
Please ask your Network Administrator for information. If you need to
define parameters manually, double-click the devices icon.
Image 6: Define NetComs IP Configuration
This panel opens. Deselect the Option of “Use DHCP”, and place your
parameters as “IP address”, “Netmask” and “Broadcast”. Click on the
“OK” button.
4.1.2.2. Configure Firewall
As you will see in Image 6 the driver may also operate by traversal of a
Network Firewall. This requires a special configuration, which is
skipped here. Please read in detail in section 5.2.6 Manual
Detection/Installation of a NetCom. For now proceed with the standard
installation.
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4.1.3. INSTALL DRIVERS
You are now back in the NetCom Manager. Click the “OK” button, the
installation continues. Windows detects the serial ports on the fresh
NetCom as new Hardware. Since Windows XP Service Pack 2 you are
asked about to get latest drivers.
Image 7: Use current drivers dialog
There are no later drivers on the Windows Update website. Select the
third item, and click on “Next”. This question neither appears on
Windows XP prior to SP2, nor on any previous Windows version.
Page 19 NetCom 123 WLAN, 423 WLAN,