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VCS VideoJet X.21 Manual

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X.21
G.703
VideoJet
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  • Page 1 X.21 G.703 VideoJet VideoJet Manual...
  • Page 2 Copyright This manual is copyrighted by VCS with all rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written permission of VCS. No patent liability is assumed, however, with respect to the use of the information con- tained herein.

  • Page 3: Table Of Contents

    Connecting Audio Equipment ..........36 Connecting Data Terminals ..........37 Terminal Port ..............37 Transparent Data Port ..........38 Connecting External Sensors and Controlling Peripheral Devices ..............39 Connection to the X.21 Leased Line ........40 Assignment of the Port to X.21/V.11 ......42 VideoJet X.21/G.703 Manual...
  • Page 4 Starting the Terminal Program ..........46 Configuration Options in the Main Window of NCTerminal ..............48 Establishing a Connection ..........49 Status Displays of NCTerminal ........49 Configuring the VideoJet X.21/G.703- Devices with NCTerminal ..........50 Audio and Video Settings ............51 Audio Settings..............52 Video Settings..............54 Alarm Configuration .............55...
  • Page 5 Basic Functioning ..............78 Power LED ..............78 Terminal Program ............79 Troubleshooting Connection Problems ....... 79 Troubleshooting the Video Connection ....... 80 Testing the Audio Connection ..........81 Chapter 9 Glossary ..................83 Chapter 10 Index ..................85 VideoJet X.21/G.703 Manual...
  • Page 6 Contents VideoJet X.21/G.703 Manual...
  • Page 7 VideoJet G.703 System Concept and Fig. 2-3 Interfaces............. 22 VideoJet X.21/G.703 Front Panel Fig. 2-4 Connectors ............24 VideoJet X.21 Rear Panel Connectors ..26 Fig. 2-5 VideoJet G.703 Rear Panel Connectors..27 Fig. 2-6 Fig. 3-1 Connecting a Camera or Monitor ......30 Fig.
  • Page 8 Figures Fig. 5-8 Camera Configuration.......... 62 Fig. 5-9 Interface Configuration........64 Fig. 5-10 Common Configuration........66 VideoJet X.21/G.703 Manual...
  • Page 9 Tables Tab. 5-1 Connection Status Display ......... 49 Tab. 5-2 Status Display for Signal Input and Relay Output ..............50 Tab. 5-3 Audio Coding Method ......... 52 Tab. 5-4 Activation Display ..........56 VideoJet X.21/G.703 Manual...
  • Page 10 Tables VideoJet X.21/G.703 Manual...

  • Page 11: Chapter 1 Preface

    Preface Congratulations on your purchase of the VCS VideoJet X.21/ G.703 multimedia LAN adapter for X.21/G.703 leased lines. The VideoJet X.21/G.703 multimedia LAN adapters provide connectivity for video, audio and data sources by transmission over a X.21/G.703 leased line. The units are available as encoder units...

  • Page 12: Conventions

    Tips and Notes This symbol marks hints and tips which will make the usage of your VideoJet X.21/G.703 as simple and comfortable as possible. Information required Wherever this symbol appears certain information is required for correct configuration and operation. Eventually you need to talk to users, manufacturers of connected equipment or a system admin- istrator of the X.21/G.703 leased line in order to gather the required...

  • Page 13: Other Conventions

    Enter key and the Return key. Ctrl Two or more keys that must be pressed simul- taneously are shown in text linked with a plus (+) sign. ALL CAPS DOS file and directory names. Screen output, dependent on keyboard entry. <courier font> VideoJet X.21/G.703 Manual...
  • Page 14 Preface VideoJet X.21/G.703 Manual...

  • Page 15: Chapter 2 Introduction

    ITU-T standard H.261, enables video communication on any X.21/G.703 leased line. VideoJet X.21 only has to be connected to the DCE terminating adapter (DCE = data circuit-terminating equipment) of the X.21 port. The transmission speed is automatically adapted to the data transmission rate of the line and ranges from 64 Kbit/s to 2.048...

  • Page 16: X.21/G.703 Transmission Concept

    G.703 leased line must therefore be used as the DCE (data circuit terminating equipment). The X.21 port of the VideoJet X.21 is directly connected to this termination. The transmission rate matches the clock output by the DCE (data circuit-terminating equipment). It can be anything from 64 Kbit/s to 2.048 Mbit/s (x times 64 Kbit/s, where x must not be...
  • Page 17 However, the VideoJet X.21/G.703 operates on the basis of a X.21/G.703 leased line for which the function for establishing the connection via a dial-up connection is not supported. VideoJet X.21/G.703 is available in two versions, as a XS/GS XE/GE VideoJet sender or as a VideoJet receiver.

  • Page 18: Typical Applications

    Introduction Typical VideoJet X.21/G.703 provides a set of advanced features for Applications remote video surveillance and security: The integrated motion video sensor will set up a connection autonomously when motion in the scene is detected. Pre-alarm history is stored in a video ring...

  • Page 19: Benefits

    X.21/G.703 leased lines. With a min- imum of setup, you can install and use VideoJet X.21/G.703 within minutes to realize a great variety of applications. The versa- tility and performance of VideoJet X.21/G.703 is highlighted...

  • Page 20: Fig. 2-2 Videojet X.21 System Concept And Interfaces

    Introduction Camera X.21 leased line (DTE) Serial Interface VideoJet X.21 alternative Control Output Control Input Monitor VideoJet X.21 Fig. 2-2 System Concept and Interfaces G.703 leased (DTE) Camera Serial Interface VideoJet G.703 alternative Control Output Control Input Monitor VideoJet G.703 Fig.

  • Page 21: Package Contents

    Introduction To summarize, VideoJet X.21/G.703 enables you to use a standardized X.21/G.703 leased line for transmission of live video and audio. Package Contents The product package should contain the following items: XS/GS XE/GE XSA/ VideoJet or VideoJet unit, or VideoJet...

  • Page 22: Front Panel Connectors

    Introduction Front Panel Connectors One of the VideoJet X.21/G.703 benefits is compact design, enabling you to install the unit in the most confined environments, e.g. installation ducts or camera housing. Compact design was made possible in part by placing connectors at the front and the rear panel.
  • Page 23 The green power LED will be lit as soon as power is supplied to the unit and the unit is ready for service. During an active connection to a VideoJet X.21/G.703 unit, the LED will blink to indicate the connection status.

  • Page 24: Rear Panel Connectors

    VideoJet X.21 Fig. 2-5 Rear Panel Connectors The power LED on the VideoJet X.21 is the only display that supplies information about the connection status. But it can be monitored with the terminal program included in the scope of sup- ply.

  • Page 25: Fig. 2-6 Videojet G.703 Rear Panel Connectors

    The switching I/O-port allows for direct connection of external sig- nalling devices, for example buttons or contacts. Also, the relay out- put facilitates switching of peripheral devices, for example lights or electric door openers. VideoJet X.21/G.703 Manual...
  • Page 26 Never attempt to interface any other power adapter other than the sup- plied one. Refer to Chapter 4 for a comprehensive discussion of interfacing peripheral devices to the VideoJet X.21/G.703 unit. VideoJet X.21/G.703 Manual...

  • Page 27: Quick Installation Guide

    Quick Installation Guide For the fastest route to get your product up and running, just follow the next 4 steps below: VideoJet X.21/G.703 Manual...

  • Page 28: Step 1: Connecting A Camera Or Monitor

    (1) Camera or other video source with composite PAL or NTSC output (2) Video Monitor with composite PAL or NTSC input XS/GS VideoJet transmitter XE/GE VideoJet receiver Fig. 3-1 Connecting a Camera or Monitor For more information regarding video sources and monitors refer to the next chapter. VideoJet X.21/G.703 Manual...

  • Page 29: Step 2: Connecting To The X.21 Transmission Line

    Quick Installation Guide Step 2: Connecting to the X.21 Transmission line To connect the VideoJet X.21 as a DTE (data terminal equip- ment) to a DCE (data circuit-terminating equipment) use the deliv- ered 15-pole SUB-D connection cable. Plug this cable into the socket labelled “X.21“at the rear side of the unit.

  • Page 30: Step 2: Connecting To The G.703 Transmission Line

    A correct connection is shown in Fig. 3-3 below: G.703 Interface (1) G.703 DCE adapter (data circuit-terminating equipment) (2) RJ45 connection cable for G.703 interface VideoJet VideoJet transmitter or receiver Fig. 3-3 Connecting to the G.703 Transmission Line VideoJet X.21/G.703 Manual...

  • Page 31: Step 3: Connecting Power

    After connecting the video source or the monitor and the X.21/ G.703 cable to the unit, the power adapter has to be attached to the VideoJet X.21/G.703. When the power adapter is connected correctly to the VideoJet X.21/G.703, the green power LED at the front side is lit con- stantly.
  • Page 32 X.21/G.703 leased line, it is possible to activate a loop function. The line can be checked with this function. Please contact your X.21/G.703 network operator or consult the technical documentation to check the line. VideoJet X.21/G.703 Manual...

  • Page 33: Chapter 4 Hardware Installation

    Hardware Installation The following chapter describes in detail how to connect external devices to your VideoJet X.21/G.703 system. Connecting Video Sources or Displays XS/GS For connecting a camera to the VideoJet sender, use a standard coaxial cable and plug it into the BNC connector at the...

  • Page 34: Connecting Audio Equipment

    Pin Assignment A handset can be connected to the RJ11 receptacle labelled Hand- set at the front panel of the VideoJet X.21/G.703. In order to select this audio interface check the radio button labelled Handset in the Audio Configuration Page.

  • Page 35: Connecting Data Terminals

    Terminal Port For local control and configuration of the VideoJet X.21/G.703 unit a data terminal (e.g. a PC running a standard terminal program) can be connected to the serial interface labelled Control Terminal on the rear panel.

  • Page 36: Transparent Data Port

    Also note that the RS-232 interface for the transparent data port does not support hardware flow control. If those signals are required, we recommend replacing the transparent data port with the NCTerminal port. This special function is described more fully in Chapter 5 under Interface Configuration. VideoJet X.21/G.703 Manual...

  • Page 37: Connecting External Sensors And Controlling Peripheral Devices

    Hardware Installation Connecting External Sensors and Controlling Peripheral Devices VideoJet X.21/G.703 is equipped with an alarm input to be used for external signalling devices, like door contacts or motion detectors. Switches or contacts can be connected directly without a separate power supply. The signalling input is located on the two left pins of the detachable screw terminal.

  • Page 38: Connection To The X.21 Leased Line

    Do not exceed the maximum rating of 24 V / 0.5 A. Connection to the X.21 Leased Line When connecting VideoJet X.21 to a DCE X.21-TA (data circuit- terminating equipment) for leased lines, the supplied 15-pole SUB- D cable (15-pole connector <-> 15-pole connector) must be used.

  • Page 39: Fig. 4-3 Connection Scheme For The X.21 Leased Line

    X.21/G.703 leased line, it is possible to activate a loop function. The line can be checked with this function. Please contact your X.21/G.703 network operator or consult the technical documentation to check the line. VideoJet X.21/G.703 Manual...

  • Page 40: Assignment Of The Port To X.21/V.11

    Receive I(b)+ Signal S(b)+ Clock B(b)+ Ext. clock (byte clock) VideoJet X.21 Fig. 4-4 Pin Assignment of the X.21 Socket on Some of these signals are optional. However, the following are mandatory: Transmit: T(a) and T(b) Receive: R(a) and R(b) Clock: S(a) and S(b).

  • Page 41: Connection To The G.703 Leased Line

    The G.703 transmission line must operate in full duplex mode. G.703 Interface (1) G.703 DCE adapter (data circuit-terminating equipment) (2) RJ45 connection cable for G.703 interface VideoJet VideoJet sender or receiver Fig. 4-5 Connection Scheme for the G.703 Leased Line VideoJet X.21/G.703 Manual...

  • Page 42: Assignment Of The Port To G.703

    Con- nector assignment of the G.703 port is shown below. Designation to G.703 Receive (RING) Receive (TIP) Transmit (RING) Transmit (TIP) Shielding VideoJet G.703 Fig. 4-6 Pin Assignment at the G.703 Socket at VideoJet X.21/G.703 Manual...

  • Page 43: Configuration With The Ncterminal Software

    This software is very useful, for instance, if a control centre with receiving monitors etc. already exists and is to remain in operation. A VideoJet X.21/G.703 can then be used as a receiver with video output. The local and remote end can be config- ured from a single location if connected via the X.21/G.703 line.

  • Page 44: Installation Of The Ncterminal Program

    Starting the Terminal Program One of the serial ports of the VideoJet X.21/G.703 device is connected directly to one of the COM ports of the PC using the con- figuration cable included in the scope of supply. The VideoJet X.21/G.703 device must not be connected to the power supply...

  • Page 45: Fig. 5-1 Configuration Of The Com Port

    Configuration with the NCTerminal Software Fig. 5-1 Configuration of the COM Port VideoJet X.21/G.703 Manual...

  • Page 46: Configuration Options In The Main Window Of Ncterminal

    VideoJet X.21/G.703. If a connection to the remote partner exists via the X.21/G.703 leased line, the remote VideoJet X.21/G.703 can be configured. In the lower section you can see the status of the alarm inputs and outputs.

  • Page 47: Establishing A Connection

    Once the connection has been established, the system automati- cally checks whether a VideoJet X.21/G.703 is also con- nected to the partner. If this is the case, the field “Remote Unit” is displayed red and you can click on it to check and configure the remote VideoJet X.21/G.703.

  • Page 48: Configuring The Videojet X.21/G.703- Devices With Ncterminal

    Tab. 5-2 Status Display for Signal Input and Relay Output Configuring the By clicking on the icons of the devices, you can configure and oper- VideoJet X.21/ ate the local and remote units both locally and remotely. The set- G.703 Devices...

  • Page 49: Audio And Video Settings

    Unlike the configurations described in later sections which affect values stored in the device, the video/audio page is mainly used to control the connected VideoJet X.21/G.703 device. With the exception of the audio setting for connection and selection of the audio source these settings are not permanently stored.

  • Page 50: Audio Settings

    (lower frame rate and/or reduced image res- olution). VideoJet X.21/G.703 offers several configuration options to provide the optimum solution for each application, which are described below.

  • Page 51: Fig. 5-4 Setting Local Audio Levels

    Audio transmission can be switched on and off for both transmis- sion directions independently. You can also configure whether the VideoJet X.21/G.703 device automatically switches on audio in the direction transmission as soon as a connection has been established. Otherwise audio can be switched on later when required.

  • Page 52: Video Settings

    A high-resolution mode, the “Common Intermediate Format (CIF)” which provides a local resolution of 288 rows x 352 pix- els. This is the default resolution used by VideoJet X.21/ G.703. A low-resolution mode, called “Quarter CIF (QCIF)”, with 144 rows x 176 pixels.

  • Page 53: Alarm Configuration

    Configuration with the NCTerminal Software Alarm Configuration You can control the alarm response of a VideoJet X.21/G.703 unit on the “Alarm inputs” page: Fig. 5-5 Configuration of the Alarm Inputs Alarm Stamping In addition to the date, time and name stamping on the video image described in later sections, it is also possible to display the current alarm status and a user-configurable text (“Attention!!!”...

  • Page 54: Alarm Input Activation

    The names are stored in the non-volatile memory of the VideoJet X.21/G.703 device. Motion detection is an integral part of all VideoJet X.21/ G.703 devices. Its method of functioning and configuration is described below.

  • Page 55: Motion Detection

    Configuration with the NCTerminal Software Motion Detection All VideoJet X.21/G.703 systems can independently monitor the contents of a video input image and trigger an alarm if a defined threshold is crossed. Motion detection is activated and deactivated as described for other alarm sources by clicking on the field “On”.

  • Page 56: Output Action

    Depending on your requirements, the response of the available switch outputs can be adapted to the application. In addition to manual operation of the relay of the local and/or remote station, the VideoJet X.21/G.703 systems also feature the powerful option of automatic switching: Fig. 5-6...
  • Page 57 Example: Connection of a buzzer that follows an external sensor. This means that inputs and outputs of a VideoJet X.21/G.703 <-> VideoJet X.21/G.703 connection can also be crossed so that the relay follows the input of the remote end.

  • Page 58: Configuration Of The Switching Output

    The operator does not therefore have to remember to switch off. Examples of the advantages of monostable output are switch- ing on lighting (automatic staircase lighting, e.g. 2 minutes) or oper- ation of a door opener (e.g. 3 seconds). VideoJet X.21/G.703 Manual...

  • Page 59: Fig. 5-7 Configuration Of The Switching Output

    (motion detectors, glass breakage sensors). If a sensor of this type is to be used not only to establish an alarm connection but also to generate an acoustic signal, a monostable switching response with a suitably long hold time can also be selected. VideoJet X.21/G.703 Manual...

  • Page 60: Camera Configuration

    On the “Camera” page of the configuration dialog you can set the display of the name and date/time as well as the assignment of a name to the camera channel. This is also where you select the video standard. Fig. 5-8 Camera Configuration VideoJet X.21/G.703 Manual...

  • Page 61: Name/Time Stamping

    All insertions are made by the VideoJet X.21/G.703 before image coding and are therefore an integral part of the transferred video information. Subsequent manipulation is thus prevented.

  • Page 62: Interface Configuration

    This makes it pos- sible to implement transparent data transmission with flow control via the terminal port. All signals that are normally output at the cam- era port are then mirrored at the terminal port and vice versa. VideoJet X.21/G.703 Manual...
  • Page 63 Configuration with the NCTerminal Software The settings in the “Data mode” group box define the data transmis- sion between two VideoJet X.21/G.703 devices, i.e. Video- XS/GS XE/GE sender connected to a VideoJet receiver. For transparent data transmission between each of the “camera” ports, mode “Transparent 1”...

  • Page 64: Common Configuration

    Configuration with the NCTerminal Software Common Configuration The dialog page “General settings” contains the settings of some of the basic elements of the VideoJet X.21/G.703 unit. These include password protection, setting the internal VideoJet X.21/ G.703 clock, and naming of the VideoJet X.21/G.703 device.

  • Page 65: Realtime Clock

    A number can be allocated for automatic identification of linked (ID) VideoJet X.21/G.703 devices which is read out and checked as soon as a connection has been established, for example. With this ID, automatic assignment of incoming alarm calls to the receiv- ing end is possible.
  • Page 66 Configuration with the NCTerminal Software VideoJet X.21/G.703 Manual...

  • Page 67: Chapter 6 Advanced Features

    The connection is then automatically and autonomously re-established by the VideoJet X.21/G.703 when the network link is up again. Once a video transmission has been established by theVideoJet X.21/G.703, the data flow is only stopped if it is disrupted or the network link is disconnected.

  • Page 68: Video Motion Detection Feature

    NCTerminal. If motion is detected in a picture and an alarm is triggered, it is pos- sible, for example, to switch a relay at the receiving end in order to trigger an alarm in a surveillance centre. VideoJet X.21/G.703 Manual...

  • Page 69: Firmware Upload

    „General settings“. Firmware upload using the Web browser is accomplished as fol- lows: Obtain the latest version of the VideoJet X.21/G.703 firmware from the Internet (http://www.vcs.com). Data can only be uploaded when the device is disconnected. Dis- connect an existing connection via the X.21/G.703 link.
  • Page 70 Once reprogramming is complete, the green LED will stop blinking. Any attempt to upload an invalid firmware file will result in receiving the message <upload failed>. Once firmware has been successfully uploaded, revisiting the page “General settings“ yields the version number of the new firmware appears. VideoJet X.21/G.703 Manual...

  • Page 71: Chapter 7 Technical Specification

    Audio input (optional) Cinch, -32 dBm0, adjustable Audio output (optional) Cinch, -10 to 0 dBm0, 600 Ohms Handset interface (optional) RJ-11 X.21 Data rate 64 kbit/s up to 2.048 Mbit/s G.703 Data rate 2,048 MBit/s Data interface RS-232, DB9M VideoJet X.21/G.703 Manual...

  • Page 72: Power Adapter

    Physical Specification Dimensions 103 x 103 x 33 mm Weight 0.4 kg (without power supply) Environmental Specification Operating temperature 5° to 40° C Operating humidity 90% maximum relative humidity, noncondensing VideoJet X.21/G.703 Manual...

  • Page 73: Electromagnetic Emmissions And Safety

    Technical Specification Electromagnetic Emmissions and Safety Meets requirements of EN 55103-1, EN 55103-2, EN 60950 VideoJet X.21/G.703 Manual...
  • Page 74 Technical Specification VideoJet X.21/G.703 Manual...

  • Page 75: Chapter 8 Troubleshooting

    General Service Remarks The user should resist the temptation to personally perform repairs of a VideoJet X.21/G.703 unit. Opening a unit will immediately void any warranty. Leave all maintenance and repairs exclusively to qualified technical personnel. Exchange a defective unit with a replacement unit and send it in for repair.

  • Page 76: Basic Functioning

    The following section describe in detail malfunctioning indicated by the LED. Power LED If the green power LED on the front panel of the VideoJet X.21/ G.703 is off and you believe it should be on, check the following conditions: Is the VideoJet X.21/G.703 connected correctly with the...

  • Page 77: Terminal Program

    The default settings of 19.200 kbit/s, 8 data bits, no parity, 1 stop bit (8N1) should be programmed for the terminal program NCTerminal. If the data exchange between the terminal program NCTermi- nal and the VideoJet X.21/G.703 still does not work, check the serial cable. Troubleshooting Connection Problems...

  • Page 78: Troubleshooting The Video Connection

    If no video or a distorted video image is displayed at the Video- XE/GE receiver during a connection to a XS/GS VideoJet sender: Make sure to use the right VideoJet X.21/G.703 unit for your application: a camera can only be connected to a Video- XS/GS XE/GE sender, never to a VideoJet receiver!

  • Page 79: Testing The Audio Connection

    Check that the correct audio input and handset have been selected for both devices on the configuration page. VideoJet X.21/G.703 Manual...
  • Page 80 Troubleshooting VideoJet X.21/G.703 Manual...

  • Page 81: Chapter 9 Glossary

    Quarter CIF, Video format with 176x144 pixels V.24, RS-232 A list of definitions for the transmission between DTE and DCE X.21 Standardized interface between DTE and DCE for synchronous data networks G.703 ISDN interface between DTE and DCE for worldwide traffic networks VideoJet X.21/G.703 Manual...
  • Page 82 Glossary VideoJet X.21/G.703 Manual...

  • Page 83: Chapter 10 Index

    Audio option 19 Audio output 73 Audio transmission 52 Automatic connection 69 Bistable 60 Bit clock 40 BNC 73 BNC connector 35 Camera name 63 Configuration cable 23 Configuration of the switching output 60 Configuring the interfaces 64 VideoJet X.21/G.703 Manual...

  • Page 84: Videojet X.21/G

    G.703 port 17 Handset interface 25 Handset interface, pin assignment 36 Hardware flow control 25 ID 67 Idle state of the switching output 60 Image quality 54 Installation 46 Interface 25 Interface parameters, preconfigured 37 Interfaces 24 VideoJet X.21/G.703 Manual...
  • Page 85 NTSC 35 Output actions 39 PAL 35 Pan/tilt/zoom cameras 19 Port 26 Purpose of this Manual 13 Realtime clock 63 Refresh rate 54 Relay output 39 Remote configuration 45 Remote device 36 Remote station 58 Remote unit 49 VideoJet X.21/G.703 Manual...
  • Page 86 Version number 67 Video coding 73 Video format 73 Video frame rate 73 Video input 73 Video monitor 80 Video motion detector 70 Video output 73 Video recorder 63 Video ring buffer 20 Video settings 54 Video standard 35 VideoJet X.21/G.703 Manual...
  • Page 87 Index X.21 data rate 17 X.21 port 17 VideoJet X.21/G.703 Manual...
  • Page 88 Index VideoJet X.21/G.703 Manual...
  • Page 89 VideoJet X.21/G.703 Manual...
  • Page 90 VCS Video Communication Systems GmbH Forchheimer Straße 4 , 90425 Nürnberg Germany Phone: +49 911 93456 0 Fax: +49 911 93456 66 http://www.vcs.com ID-Nr.: 7096/1299/0/1...

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