NetMedia SitePlayer Telnet Series User Manual
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NetMedia SitePlayer Telnet Series User Manual

Rs232 to ethernet protocol converter
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RS232 to Ethernet Protocol Converter
User's Manual
Version 1.11
2-Oct-06
(For SitePlayer Telnet Software Version 1.4ahu and above)
*POE version depicted
© 2004-2006 Netmedia Inc. All Rights Reserved. 10940 N Stallard Place Tucson, AZ 85737 520.544.4567

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Summary of Contents for NetMedia SitePlayer Telnet Series

  • Page 1 RS232 to Ethernet Protocol Converter User’s Manual Version 1.11 2-Oct-06 (For SitePlayer Telnet Software Version 1.4ahu and above) *POE version depicted © 2004-2006 Netmedia Inc. All Rights Reserved. 10940 N Stallard Place Tucson, AZ 85737 520.544.4567...
  • Page 2 DISCLAIMS ANY AND ALL IMPLIED WARRANTIES, INCLUDING ANY WARRANTY OF FITNESS FOR A PARTICU- LAR PURPOSE OR OF MERCHANTABILITY. The foregoing limited warranty shall not apply unless Buyer has paid for in full the NetMedia products. Elec- tronic updates to the NetMedia SitePlayer User’s Manual and NetMedia SitePlayer software are available free to Registered Buyer upon request for a one (1) year period from the invoice date.

  • Page 3: Conventions

    SitePlayer Telnet User’s Manual Conventions Certain conventions are used throughout this reference document: • The term Siteplayer and SitePlayer Telnet is used interchangeably. • Web screen shots may not appear exactly the same between various web browsers and operating systems.

  • Page 4: Table Of Contents

    SitePlayer Telnet User’s Manual Table of Contents Conventions ............................... 3 Introduction ............................... 7 Distinguishing Various SitePlayer Telnet Models .................. 8 Original Siteplayer Telnet ........................8 POE Siteplayer Telnet (RoHS) ......................... 8 POE Siteplayer Telnet (non-RoHS) ......................8 Specifications ..............................9 Configuration and Setup ..........................11 SitePlayer Telnet Setup Web Page ......................13 Services Web Page ...........................15...
  • Page 5 SitePlayer Telnet User’s Manual Force AT Mode on ..........................24 IP Web Page ..............................25 DHCP Configuration .........................25 Fixed IP Addresses ..........................25 Security Web Page ...........................27 Change Username and Password ....................27 Authorized Port, IP address and Mask ..................28 Admin Web Page ............................29 Set LED Brightness ..........................29 Blink LED ...............................29 Telnet Test Mode ..........................30...
  • Page 6 SitePlayer Telnet User’s Manual Appendix A ...............................41 AT Command Set ............................41 Telnet Current Connection State ......................44 Installing a Zeroconf / Bonjour Browser Under Windows ............45 Telnet Network Virtual Terminal (NVT) .....................46 Adding Route to Windows so Link Local Devices Can be Accessed ........47 TCP/IP Tuning Considerations ......................48 Windows ...............................48 Mac OS X or FreeBSD ........................48...

  • Page 7: Introduction

    SitePlayer Telnet User’s Manual Introduction SitePlayer Telnet is an RS232 to Ethernet protocol converter. It allows you to connect legacy RS232 devices to the internet by providing a TCP/IP telnet session to an RS232 port. SitePlayer Telnet is configured using a standard web browser.

  • Page 8: Distinguishing Various Siteplayer Telnet Models

    SitePlayer Telnet User’s Manual Distinguishing Various SitePlayer Telnet Models Below you will find several SitePlayer Telnet Systems illustrated so that you can distinguish between them. Original Siteplayer Telnet • 7.5VDC Power requirements • External 110VAC 60hz power adapter ���� �� �� �� �� �� �� ����������...

  • Page 9: Specifications

    SitePlayer Telnet User’s Manual Specifications Some of SitePlayer Telnet’s features include • Compact size • RJ45 10BaseT Ethernet interface • Binary data or Network Virtual Telnet (NVT) transfer using TCP/IP • Binary data transfer using UDP • Full configurable RS232 DB-9 serial port •...
  • Page 10 SitePlayer Telnet User’s Manual NOTE: 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.

  • Page 11: Configuration And Setup

    SitePlayer. Some web browsers, such as Apple’s Safari, have a built in Bonjour browser. Other web browsers, such as Internet Explorer, can have a Bonjour plug-in installed for them. For Windows users the easiest thing to do is download the “Bonjour Browser.exe” file from the NetMedia web site at http://www.SitePlayer.com/telnet/ See Appendix A for more Bonjour browser options.
  • Page 12 SitePlayer Telnet User’s Manual The factory default username is user and the factory default password is password. Usernames and pass- words are case sensitive. You will have an opportunity later on to change these if you wish. Once you type the username and password you will see the main SitePlayer Telnet Setup page. The following sections describe the main SitePlayer Telnet Setup page and the other web pages which are used to configure SitePlayer.

  • Page 13: Siteplayer Telnet Setup Web Page

    SitePlayer Telnet User’s Manual SitePlayer Telnet Setup Web Page This is the first page you will see when you connect to SitePlayer Telnet’s web server. The navigation bar at the top of the web page allows you to change various SitePlayer settings:. You will find this navigation bar on all the SitePlayer pages.
  • Page 14 SitePlayer Telnet User’s Manual storage. SitePlayer stores configuration parameters in persistent storage. If persistent storage space is exhausted, you will need to reset SitePlayer back to factory defaults to reclaim the space. • DHCP Address - shows your current DHCP address. A value of 0.0.0.0 means that a DHCP address has not been obtained either due to the DHCP server not having allocated one or DHCP being disabled.

  • Page 15: Services Web Page

    SitePlayer Telnet User’s Manual Services Web Page The Services web page allows you to change the SitePlayer device name, the TCP or UDP ports that various Siteplayer services use, various TCP keep-alive parameters and an extra port offset. Change Device Name The device name is the name that SitePlayer uses to advertise its services and is seen by the Bonjour brows- er.

  • Page 16: Change Tcp Keep-Alive

    SitePlayer Telnet User’s Manual • HTTP - This is the http protocol which is used to communicate with SitePlayers web server. • Telnet - This service is used to pass data between a network connection and the serial port. • Daytime - This service is used to get the amount of elapsed time that SitePlayer has been run- ning.

  • Page 17: Serial Web Page

    SitePlayer Telnet User’s Manual Serial Web Page The Serial web page allows you to change various parameters that deal with the serial port hardware. You can also change some parameters which deal with the UDP serial protocol here. Serial Port Parameters You can change several serial port parameters.

  • Page 18: Udp Serial Configuration

    SitePlayer Telnet User’s Manual • 57600 • 115200 The default baud rate is 115200. SitePlayer will buffer data, but high data rates will cause buffer overflows. Several variables including net- work latency makes determining the optimal baud rate difficult. It is best to enable some kind of flow con- trol (i.e.

  • Page 19: Remote Ip Is

    SitePlayer Telnet User’s Manual Remote IP is This allows you to specify how the Remote IP address will be treated. • Fixed - The remote IP address will not change when a UDP packet is received. If the UDP Remote IP address is 0.0.0.0, then it will change once to reflect the UDP IP address of the first UDP packet received.

  • Page 20: Bit Stall Delay Is

    SitePlayer Telnet User’s Manual Bit Stall Delay is This allows you to enable or disable SitePlayer’s checking for a stall in character reception. A stall is a discon- tinuity in reception due to the sender stopping its transmission for a period of time. SitePlayer measures the stall time in number of bits of the current baud rate.

  • Page 21: Telnet Web Page

    SitePlayer Telnet User’s Manual Telnet Web page The Telnet Web page allows you to view the current Telnet connection status and also control whether SitePlayer acts as a Telnet server or client. As a server, SitePlayer waits for connections to its port (default 23). As a client SitePlayer will initiate connections to other Telnet servers or TCP/IP programs.

  • Page 22: Current Remote Ip

    SitePlayer Telnet User’s Manual Current Remote IP The remote IP address that SitePlayer Telnet is currently connected to. An address of 0.0.0.0 means that SitePlayer is currently not connected to anyone. Current Remote Port The remote TCP/IP port that SitePlayer is connected to. A port of 0 means SitePlayer is not connected to a remote computer.

  • Page 23: Data Transfer Mode

    SitePlayer Telnet User’s Manual Data Transfer Mode This option controls how data will be interpreted and transferred across the network connection. • Binary - Data will flow with no interpretation. All 8 bits of each character will be transferred un- changed.

  • Page 24: Force At Mode On

    SitePlayer Telnet User’s Manual Force AT Mode on AT command mode may be forced to be enabled when a RS232 hardware control line is brought high. The signal levels (High/Low) described here are RS232 levels. If you are using just a SItePlayer Module, the logic levels will be inverted.

  • Page 25: Ip Web Page

    SitePlayer Telnet User’s Manual IP Web Page The IP Web page allows you to specify how SitePlayer acquires an IP address. You can enable or disable DHCP address acquisition or you can assign fixed IP addresses to SitePlayer. DHCP Configuration The current DHCP status is displayed along with the DHCP address, gateway, mask and DNS server that has been acquired.
  • Page 26 SitePlayer Telnet User’s Manual If you disable DHCP address acquisition and you don’t specify any static IP addresses, the only IP address that SitePlayer will have is the automatically generated Link Local address. This may make SitePlayer more difficult to locate on a network if your computer does not support link local addressing. See Appendix B - Adding Route to Windows so Link Local Devices Can be Accessed if you have Windows and need to only use a link local address.

  • Page 27: Security Web Page

    SitePlayer Telnet User’s Manual Security Web Page The Security Web page allows you to specify the level of protection you need for SitePlayer. Change Username and Password You can enable or disable username and password protection for SitePlayer’s web pages. If you disable username/password security anyone can access SitePlayer’s web setup pages.

  • Page 28: Authorized Port, Ip Address And Mask

    SitePlayer Telnet User’s Manual Authorized Port, IP address and Mask You can specify up to 4 TCP ports that need protection. Ports may be protected so that only computers with certain IP addresses can have access to SitePlayer. For each protected port you can set three parameters: •...

  • Page 29: Admin Web Page

    SitePlayer Telnet User’s Manual Admin Web Page The Admin Web page provides several options which help you manage SitePlayer. You can control the Link LED and force Siteplayer to restart (reboot) or to have SitePlayer set itself into a factory default configuration. Set LED Brightness You can control the brightness level of the Link LED.

  • Page 30: Telnet Test Mode

    SitePlayer Telnet User’s Manual Press “Blink LED” to start the LED blinking immediately without SitePlayer restarting. Telnet Test Mode Telnet Test Mode is used to test SitePlayer’s Serial and Network connection. It is primarily there for tests per- formed at the factory. •...

  • Page 31: Clear Persistent Storage

    SitePlayer Telnet User’s Manual Clear Persistent Storage Press the “Clear Persistent Storage” button to have SitePlayer erase its Persistent Storage. The current Website will be erased, but the current Firmware will not be altered. Before erasing the persistent storage SitePlayer will attempt to save the current configuration parameters so they may be restored after persistent storage is erased.

  • Page 32: Update Web Page

    SitePlayer Telnet User’s Manual Update Web Page The Update web page allows you to load new Firmware or WebSite ROM software. You will do this when new software becomes available. You can also do this to reload the current software. SitePlayer determines from the contents of the file you select which kind of software is being loaded.

  • Page 33: Uploading Custom Web Pages

    SitePlayer Telnet can be customized by uploaded custom web pages. These web pages are currently provid- ed by NetMedia or its OEM partners. Since custom web pages may change the appearance and operation of SitePlayer Telnet, separate documentation will be provided for these web pages. In this section we will show you how to load the BasicX custom web page which is provided as part of the SitePlayer Telnet release.
  • Page 34 SitePlayer Telnet User’s Manual If you select BasicX you will get he following web page: The commands available on this page are • Restart - Restarts execution of the BasicX processor • Halt/Wait for Program Download - Halts the BasicX processor. You can then send a BasicX pro- gram through the network.

  • Page 35: Siteplayer Services And Protocols

    SitePlayer Telnet User’s Manual SitePlayer Services and Protocols SitePlayer Telnet supports a variety of internet protocols and services. Address Resolution Protocol ARP SitePlayer uses ARP to convert a remote IP address to a MAC address so it can send packets directly to the remote device.

  • Page 36: Bonjour

    SitePlayer Telnet User’s Manual “Multicast DNS (mDNS) provides the ability to do DNS-like operations on the local link in the absence of any conventional unicast DNS server. In addition, mDNS designates a portion of the DNS name- space to be free for local use, without the need to pay any annual fee, and without the need to set up delegations or otherwise configure a conventional DNS server to answer for those names.

  • Page 37: Daytime

    SitePlayer Telnet User’s Manual SitePlayer can operate in binary or Network Virtual Terminal (NVT) mode. In binary mode it passes all char- acters unchanged back and forth through the Telnet port. In NVT mode is uses character 255 (FF hex) as an escape character to control behavior.

  • Page 38: Informative And Error Messages

    SitePlayer Telnet User’s Manual Informative and Error Messages You will encounter several informative and error messages as you use SitePlayer’s setup web pages. These messages will appear after you have clicked on a form button on a web page. The message are Factory defaults are being set.

  • Page 39: End Plate Description

    SitePlayer Telnet User’s Manual End Plate Description The SitePlayer Telnet system has two end plates which contain three connectors, an LED indicator and a reset button. The Power Over Ethernet (POE) version of SitePlayer also has two LEDs on it’s RJ45 connector. The Recessed Reset Button is used to reset SitePlayer to its factory default state.

  • Page 40: Performing Hardware Reset To Set Siteplayer To Factory Defaults

    SitePlayer Telnet User’s Manual Performing Hardware Reset to Set SitePlayer to Factory Defaults If for some reason SitePlayer needs to be reset to its factory default state and you cannot access the SitePlayer web page to perform this, you can use the recessed reset button located to the right of the DB-9 connector.

  • Page 41: At Command Set

    SitePlayer Telnet User’s Manual Appendix A AT Command Set SitePlayer supports TCP/IP and UPD connection control through the serial port by using the AT command set. The AT command set was developed by Hayes to initiate and control modem connections. SitePlayer uses a subset of the AT command set and extends it for network connection control.
  • Page 42 Display Identifier. Displays information of SitePlayer version (including the MAC address). If argument n is 1 then four IP addresses are displayed (Fixed IP 1, Fixed IP 2, DHCP and Link Local). For Example, SitePlayer Telnet V1.2anm (00:03:75:7A:14:2C) Copyright (C) 2001-2005 NetMedia, Inc. ATI1 43.61.1.231 0.0.0.0 192.168.2.10...
  • Page 43 SitePlayer Telnet User’s Manual Z[n] Set to factory defaults. Resets various options to their factory default. This is equivalent to issuing an ATE1 Q1 V1 command others SitePlayer will respond with OK to other AT commands, but they will not be acted on.

  • Page 44: Telnet Current Connection State

    SitePlayer Telnet User’s Manual Telnet Current Connection State The Telnet web page lists the various states that SitePlayer Telnet may be in. The states are specific to TCP/IP and are generally not of much interest to the average user. SitePlayer stays in most states for a short period of time.

  • Page 45: Installing A Zeroconf / Bonjour Browser Under Windows

    SitePlayer Telnet User’s Manual Installing a Zeroconf / Bonjour Browser Under Windows Although there is nothing currently built into Windows to support browsing for Bonjour services, there are several programs available free of charge. The easiest to use and install is “Bonjour Browser” which is written by Apple. The software is open-source and freely available.

  • Page 46: Telnet Network Virtual Terminal (Nvt)

    SitePlayer Telnet User’s Manual Telnet Network Virtual Terminal (NVT) SitePlayer supports a limited set of Network Virtual terminal (NVT) commands primarily in assisting in setting up serial port communication parameters such as baud rate, character size and parity. By default SitePlayer operates in a binary mode which ignores all NVT commands and just passes characters unchanged between the serial port and the internet connection.

  • Page 47: Adding Route To Windows So Link Local Devices Can Be Accessed

    SitePlayer Telnet User’s Manual Adding Route to Windows so Link Local Devices Can be Accessed Windows supports Link Local (LL) addressing. If you are connected to a network and an IP address cannot be obtained manually or automatically (via DHCP), Windows will choose a LL address. These addresses are in the form 169.254.x.y, where x.y are randomly chosen numbers such that they are unique on the network.

  • Page 48: Tcp/Ip Tuning Considerations

    SitePlayer Telnet User’s Manual TCP/IP Tuning Considerations There are many ways in which TCP/IP implementations may be tuned. Some tuning may improve perfor- mance. Due to the design of SitePlayer and its small serial port buffers, some communications to other TCP/IP machines may not be as optimal as can be.

  • Page 49: Db-9 Null Modem Cable Wiring

    SitePlayer Telnet User’s Manual Appendix B DB-9 Null Modem Cable Wiring If you need to connect SitePlayer Telnet to another DTE device such as a PC Serial port, you will need to connect it using a null modem cable. A null modem cable switches the data lines and other control lines around.

  • Page 50: Telnet Carrier Schematic

    SitePlayer Telnet User’s Manual Telnet Carrier Schematic...

  • Page 51: Telnet Module Pin-Out

    SitePlayer Telnet User’s Manual Telnet Module Pin-Out The SitePlayer Telnet module consists of a circuit board with a dual-row 18-pin header. Pin 1 is identified with a white dot. The RoHS version of the module is blue, while the non-RoHS version is green Pin 9 Pin 9 Pin 10...

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