StarTech.com NETRS2321P User Manual

1 Port RS232 Serial over IP Ethernet Device Server
*actual product may vary from photos
DE: Bedienungsanleitung - de.startech.com FR: Guide de l'utilisateur - fr.startech.com ES: Guía del usuario - es.startech.com IT: Guida per l'uso - it.startech.com NL: Gebruiksaanwijzing - nl.startech.com PT: Guia do usuário - pt.startech.com
For the most up-to-date information, please visit: www.startech.com
Manual Revision: 07/09/2013
FCC Compliance Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment o and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit dierent from that to which the receiver
is connected.
Consult the dealer or an experienced radio/TV technician for help.
Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and other protected names and/or symbols of third-party companies not related in any way to StarTech.com. Where they occur these references are for illustrative purposes only and do not represent an endorsement of a product or service by StarTech.com, or an endorsement of the product(s) to which this manual applies by the third-party company in question. Regardless of any direct acknowledgement elsewhere in the body of this document, StarTech.com hereby acknowledges that all trademarks, registered trademarks, service marks, and other protected names and/or symbols contained in this manual and related documents are the property of their respective holders.
Instruction Manual
Table of Contents
Product Overview ..................................................................................1
DIN Rail Mounting..................................................................................................................................... 2
Load Default Settings / System Reset Button ................................................................................. 2
LED Indicators............................................................................................................................................. 2
RJ45 Ethernet Pin Assignments ........................................................................................................... 3
RS-232 DB9 Male Pin Assignment ....................................................................................................... 3
Introduction ............................................................................................4
Packaging Contents ................................................................................................................................. 4
Installation ..............................................................................................4
Web Browser Method ..............................................................................................................................4
Virtual COM Port Application................................................................................................................4
Broadcast Search ....................................................................................................................................... 5
Web Console Operation ..........................................................................................................................6
Administrator ..............................................................................................................................................6
Authentication ........................................................................................................................................... 6
System IP ...................................................................................................................................................... 7
System Status ............................................................................................................................................. 7
Load default setting ................................................................................................................................. 8
Firmware update .......................................................................................................................................8
TCP Mode ..................................................................................................................................................... 9
Telnet Server / Client ................................................................................................................................9
UART .............................................................................................................................................................. 12
Virtual COM Software Operation ......................................................................................................... 14
COM Mapping ............................................................................................................................................ 15
TCP/UDP ....................................................................................................................................................... 15
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Product Applications .............................................................................17
UDP ................................................................................................................................................................ 17
TCP .................................................................................................................................................................. 17
Specications ..........................................................................................18
Technical Support ..................................................................................19
Warranty Information ............................................................................19
Instruction Manual
ii

Product Overview

Top View
Front View
Rear View
DIN rail screw hole
Wall-mount screw hole
RS-232 DB9 male serial port
RJ45 10/100M
Ethernet port
Instruction Manual
DC Jack
Load Default/Reset
Button
1

DIN Rail Mounting

Attach the included DIN Rail brackets (one per side) using the provided screws to the top DIN Rail screw hole (marked in the above diagram), and clip to your DIN Rail

Load Default Settings / System Reset Button

Load Default Settings
Press and hold this button for more than 3 seconds, then release to load the factory default settings. IP address: 10.1.1.1 Subnet Mask: 255.0.0.0 Login ID / Password: admin
System Reset
Press and hold this button for more than 10 seconds, then release to reboot the device (maintains conguration settings)

LED Indicators

LED Name Status Description
Ready
Link/Act
Tx/Rx
On Power is on and the device is ready.
O Power is o or the device is not ready.
On UTP is link.
Blinking UTP Tx/Rx is activity.
O UTP is not link.
Blinking
O
RS-232 port is transmitting or receiving
data.
No data is transmitting or receiving in
RS-232 port.
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2

RJ45 Ethernet Pin Assignments

Pin
1 TX+
2 TX-
3 RX+
6 RX-

RS-232 DB9 Male Pin Assignment

NOTE: This serial device server performs as a DTE device.
Pin Name I/O
1 DCD Input
2 RD Input
3 TD Output
4 DTR Output
5 GND
6 DSR Input
7 RTS Output
8 CTS Input
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Introduction

Packaging Contents

• 1 x Serial over IP Device Server
• 1 x Universal Power Adapter (NA/UK/EU)
• 1 x Software CD
• 1 x Instruction Manual
• 1 x DIN Rail Kit

Installation

Web Browser Method

1. Plug in the power adapter and connect the RJ45 interface to your LAN.
NOTE: Alternatively, you can also use a crossover cable to connect the NETRS2321P directly to your system for the initial conguration.
2. Press and hold the load default button for more than 3 seconds and less than 10 seconds, then release it. This will return the serial device server to factory default and it will respond to the IP address 10.1.1.1.
3. Congure the PC to the same IP domain.
4. Open a web browser and connect to http://10.1.1.1 to open the conguration interface. The default login ID will be “admin” and the password will be “admin”.
5. Once logged in, you will have access to all conguration settings including the ability to change the IP address for the device server.

Virtual COM Port Application

1. Plug in the power adapter and connect the RJ45 interface to your LAN.
2. Insert the included CD and launch the VirtualCom software.
3. Follow the on-screen instructions to install VirtualCom and WinPcap.
4. Once installed, double-click the VCOM shortcut to launch the application.
5. Click the Search button in the VCOM software window to locate the device.
NOTE: You may receive a rewall notication at this point of the install, please allow access to this application
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Broadcast Search

The Broadcast Search function is used to locate all NETRS2321P devices that are connected to the same LAN as your computer. Since the Broadcast Search function searches by MAC address and not IP address, all NETRS2321P connected to the LAN will be located, regardless of whether or not they are part of the same subnet as the host.
NOTE: Broadcast packet packets are not passed through a router. The VCom utility can only be used to monitor devices in the same segment of the LAN.
NETRS2321P
Instruction Manual
5

Web Console Operation

Enter the IP address you have set for the NETRS2321P device into your web browser address bar (default IP: 10.1.1.1) and you will prompted to login with your user ID and password (Default: admin/admin).
After a successful login, you will see Administrator, TCP Mode, UDP Mode, UART, and Reset Device selections in left frame of the web console - the following sections will describe their function.

Administrator

Under the ‘Administrator’ heading, you will be able to set/change the device password, congure the networking parameters, display the current rmware version, load the factory defaults, and perform any future rmware upgrades.

Authentication

In this page, you can change login ID and Password. The NETRS2321P device supports a maximum of 15 characters for password, only alphanumeric characters are allowed (“0-9”,”a-z”,”A-Z”).
Press “Update” to store the data. Reset the device to take eect.
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System IP

On this page, you can adjust the NETRS2321P network conguration. If set to DHCP mode, all other settings will be ignored, and the IP address will be assigned by DHCP server after resetting the device.
Press “Update” to store the data. Reset the device to take eect.

System Status

On this page, you can display the system Kernel rmware version and MAC Address.
You can also adjust the device alias (Target Name) and Idle timeout settings. The Target Name eld allows a Max of 12 characters, including “0-9”,”a-z”,”A-Z”,”_” (underscore),and “-” (dash).
NETRS2321P
Press “Update” to store the ‘Target Name’ data, and then, NETRS2321P will reset to take eect.
Instruction Manual
7

Load default setting

On this page, you can load and store the factory default settings into EEPROM.
NOTE: Network settings and MAC address will not be changed.
Press “Load” to load default settings. Reset the device to take eect.

Firmware update

On this page, you can update the rmware via Ethernet.
WARNING! Pressing the ‘Load’ button will immediately erase the ash with no further warning
1. Pressing the “Load” button will erase ash.
2. Wait for erase process to complete.
3. There are two methods to do the Firmware Update action (TFTP or Web):
NOTE: Please avoid loss of network connection, power or other interruption during the rmware upgrade procedure
Web
a. Please type in or browse the target image le in the input eld, and then press
“update” button to continue.
TFTP
a. Use Windows Command Prompt window to run the tftp client program.
Syntax: tftp -i 10.1.1.1 put FILE_DIRECTORY\FILENAME.bin
b. The rmware update should take about 45 seconds to complete.
c. If the update process somehow goes wrong (like power failure), please connect
to http://10.1.1.1 to try and restart the process (you may have to reset the device rst)
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TCP Mode

NOTE: When TCP mode is set to Server or Client mode, the UDP mode will be disabled automatically. When UDP mode is enabled, the TCP mode will be disabled automatically.
Once you have completed making changes, press "Update" to store the data. Reset the device to take eect.

Telnet Server / Client

Set the device to be a Telnet Server. In server mode, the Telnet port listens and waits for a host or other client to make a connection. In this case the Ethernet connected device is the client.
Set the device to be a Telnet Client. In the case the Ethernet connected device is the Telnet server or other NETRS2321P in server mode.
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Reverse Telnet
Reverse Telnet works the same as Telnet Server mode. The Telnet port is listens for a connection after booting up. If you encounter errors when using some Telnet clients, such as the Microsoft interpretation of Telnet for Windows XP you can try the connection using Reverse Telnet mode.
CLI Mode
The Command Line Interface (CLI) allows user to congure and control NETRS2321P directly through the UART interface.
NOTE: CLI mode is only available when NETRS2321P is in TCP Server Mode.
Port Number
This assigns the TCP server port number that the server will listen on for connecting clients. (Only for TCP Server Mode)
Remote Server IP Address
When in Client mode, this device will automatically try to connect to the remote TCP server with this IP address.
Client mode inactive timeout
When in Client mode, this parameter sets the time that device will maintain a connection until timeout, if there is no data transfer over the connection. After disconnecting, the device will try to build a new connection again immediately.
Server mode protect timeout
When in Server mode, this parameter sets the time that device will maintain a connection until timeout, if there is no data transfer over the connection. Once disconnected, only a Client can initiate a new connection to the Server.
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UDP Mode
When UDP mode is enabled, TCP mode will be disabled automatically. In UDP mode, the Local Port will be assigned to this device. You can list the remote connection IP and Port for up to 10 remote devices.
Once you have completed making changes, press "Update" to store the data. Reset the device to take eect.
Mode
Listen: When in UDP Listen mode, it can only receive remote UDP data.
Normal: When in UDP Normal mode, it can both receive and send UDP data to
remote units.
Local Port
Assign the UDP port that this unit listens on.
Remote Address
The remote address table allows users to set several remote site IP addresses and ports. When sending data, the device will send UDP data to the IP addresses in the table.
Instruction Manual
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UART

UART or Universal Asynchronous Receiver Transmitter refers to the ‘RS-232 serial port’ of the NETRS2321P. All of the port settings are modied from this page.
Once you have completed making changes, press "Update" to store the data. Reset the device to take eect.
Baud rate
Set the baud rate of UART interface. The NETRS2321P supports 110, 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 and 230400bps baud rates.
Character Bits
Set the number of data length of UART interface. The NETRS2321P supports character bits of 5, 6, 7, or 8 bits.
Parity Type
Set the parity of UART interface. The NETRS2321P supports parity settings of Odd, Even, Space, Mark or none.
Stop Bit
Set the stop bit length of UART interface. The NETRS2321P supports 1, 1.5 or 2 stop bits.
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Hardware Flow Control
Set the ow control mode of UART interface as enabled or as none.
UART Memory Overow count
Shows the number of overow bytes in network buer.
UART FIFO Overow count
Shows the number of overows counted in the UART RX buer.
Delimiter
This sets the Character 1 and/or Character 2 to be used as the delimiter. When sending data from serial to TCP the data is rst stored in the cache. When set, not until the value of character 1 or 2 is received from the serial side is the data released from the cache and sent to TCP.
Silent time - If there is no data sent or received for the number of milliseconds specied the connection is dropped.
The Drop Character drops the delimiter character of the serial port when sending to TCP, (the receiver doesn't display the character).
Reset Device
Pressing the “Reset” button will force the NETRS2321P to do system reset action.
Instruction Manual
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Virtual COM Software Operation

The Virtual Com application lets you install and congure your NETRS2321P easily over the network. Five function groups are provided to ease the installation process, allow COM mapping, and provide monitoring and IP location server functions.
Conguration
Once the software is installed and you have searched the device on your network (outlined in Installation section), all NETRS2321P devices on the LAN should appear in the list of available devices.
Select the one you would like to adjust and click the Congure button. You will be prompted to enter your User ID and Password (Default: admin / admin)
Congure the device and press the OK button
Instruction Manual
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COM Mapping

To map a virtual COM port, select COM Mapping from the left pane of the VCOM application, then click Add
Click OK to create the COM Mapping

TCP/UDP

Depending on the protocol you are using, the options below will enable/disable automatically as applicable.
Server/Client (TCP Mode only)
Set the device to be a Telnet Server. In server mode, the Telnet port listens and waits for a host or other client to make a connection. In this case the Ethernet connected device is the client.
Instruction Manual
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Set the device to be a Telnet Client. In the case the Ethernet connected device is the Telnet server or other NETRS2321P in server mode.
IP Address
Depending on your selections above, there are one of three scenarios: TCP Server - Disabled TCP Client - Remote Server Address UDP - Remote Target Address
Local Port
Assigns the local port for the device to listen on TCP Server – Assigns the TCP server port number that the server will listen on TCP Client – Disabled UDP – Assign the UDP port that this unit listens on
COM
Assign the desired virtual COM port number
Remote Port
TCP Server – Disabled TCP Client – Assign the remote TCP port you wish to communicate on UDP – Assign the remote UDP port you wish to communicate on
Enable Control Connection (TCP Server or Client Only)
Enables/Disables control of the serial device on a remote network. Using the IP address and port number allows the user to gain control of the receiver from a remote location when this is enabled.
Second(s) for reconnection interval
Dictates the duration that the software will automatically attempt to reconnect the COM port to the serial port on the serial device server, for the purpose of keeping the connection alive.
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Product Applications

UDP
TCP
Instruction Manual
TCP Server
Mode
17
Specications
Connectors
Serial Protocol RS-232
Maximum Baud Rate 230400
Data Bits 5,6,7,8
Flow Control RTS/CTS, None
Parity Odd, Even, None, Space, Mark
Stop Bits 1, 1.5, 2
Supported Protocols DHCP, TCP/IP, UDP, HTTP, ICMP, ARP, Telnet
Supported Network Link Speeds 10/100 Mbps
Power Adapter 12V, 1A
Enclosure Material Aluminum
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature -10°C to 70°C (14°F to 158°F)
Dimensions 81 x 53 x 23 mm
Weight 295g
Compatible Operating Systems
1x DB-9 (9-pin; D-Sub) Male
1x RJ-45 Female
Windows® 8 (32/64-bit), 7 (32/64), Vista
(32/64), XP (32/64), 2000 Windows® Server
2008 R2, 2003 (32/64)
Instruction Manual
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Technical Support

StarTech.com’s lifetime technical support is an integral part of our commitment to provide industry-leading solutions. If you ever need help with your product, visit www.startech.com/support and access our comprehensive selection of online tools, documentation, and downloads.
For the latest drivers/software, please visit www.startech.com/downloads

Warranty Information

This product is backed by a two year warranty.
In addition, StarTech.com warrants its products against defects in materials and workmanship for the periods noted, following the initial date of purchase. During this period, the products may be returned for repair, or replacement with equivalent products at our discretion. The warranty covers parts and labor costs only. StarTech.com does not warrant its products from defects or damages arising from misuse, abuse, alteration, or normal wear and tear.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their ocers, directors, employees or agents) for any damages (whether direct or indirect, special, punitive, incidental, consequential, or otherwise), loss of prots, loss of business, or any pecuniary loss, arising out of or related to the use of the product exceed the actual price paid for the product. Some states do not allow the exclusion or limitation of incidental or consequential damages. If such laws apply, the limitations or exclusions contained in this statement may not apply to you.
Instruction Manual
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