GermGuardian DVST - Manual

Table of Contents 1 Introduction 1 1.1 DFT-0150 Transmitter 11.2 Telemetry 11.3 Event monitoring (Alarm) option 11.4 Audio option 1 2 Unpacking the unit 3 2.1 Items in packing 32.2 Packing the DVST 3 3 Operation 5 3.1 Callback 53.2 Alarms feature 53.3 Freeze all alarms 63.4 No frozen images 63.5 Off...

1 Introduction DVST is the generic name for a range of products designed to store and transmit digitalpictures at a higher quality and speed than previously possible. 1.1 DFT-0150 Transmitter The DFT-0150 (Digital Fast Transmission) transmitter will process the images from upto sixteen cameras for t...

2 Unpacking the unit 2.1 Items in packing The unit should be carefully unpacked and the packing materials retained. Check that allthe contents on the following checklist are present: q DVST Unit q Power Lead with molded IEC connector q Rack mount conversion kit q Installation Guide 2.2 Packing the D...

3 Operation 3.1 Callback The callback feature allows an operator at a monitoring station to call a DFT0100transmitter on site and configure the unit to automatically call them back, ensuring thatthe telephone call is charged to the transmitting and not the receiving site. On sending a callback reque...

4 Installation The DVST Transmitter is supplied as a wall mounted unit. 4.1 Rear Panel connections The DVST Transciever uses BNC connectors for all video inputs and outputs. Otherdata connections are made via standard D type connectors. The optional keyboard isconnected by a 9 pin D type female plug...

4.2 Power Inputs The DVST Transmitter is powered via a standard mains IEC cable which plugs into therear panel. Power cable retaining clip prevents the cable from dropping out. The power supply is self adjusting to the mains input and can accept a voltage from 90 to260 volts. Mains supply frequency ...

5 Setup 5.1 What you require Setup of the DVST DFT-0150 is undertaken using a PC (Personal Computer)connected to the AUX0 port on the front panel.To set up the DVST using a PC you will need the following: A personal computer with an RS232 port.A connection cable between the serial port of the comput...

5.3 Remote Setup Remote DVST units can also be set up in the same manner as a local DVST. The sameprocedure should be followed when the DVST is on line to a remote unit. When theSETUP key is pressed the screen will go blank and the command prompt REM> willappear on screen. Proceed as for the loca...

5.5 Define Camera Inputs MAX=nn Sets maximum number of cameras(default, 8) Range is 1 to 16. Correct settings of this ensures that any receiving station does notspend time trying to collect invalid camera inputs. COL=nn MON=nn Set camera to Colour Set camera to Monochrome (default, all cameras set t...

6 Demonstration Mode This is provided to allow two DVST units to be connected back to back without the needfor connection to MODEMs or Terminal Adapters. A special demonstration cable is used, details of this are explained later in the chapter. 6.1 Demonstration mode DEMO= Turn the demonstration mod...

6.2 Demo Cable This cable allows two DVST units to be connected back to back without the need forconnection to MODEMs or Terminal Adapters. Tech Note: This is a synchronous balanced transmission. Transmit and receive lines thereforecross yet maintain polarity. The flying lead is used to source a clo...

6.3 Connecting the demo cable Single cable operation The cable connects PORT 0 on the transmit unit to PORT 0 on the receive unit. Thesmall flying lead connects to the MODEM port on the receive unit. Dedicated Micros Ltd Page 15 DVST Installation Guide Demonstration Mode Fig: 4 Demo cable connection...

7 Modems 7.1 PSTN Connection (Modem) Connection to a PSTN telephone line is via a modem and modem port. 7.2 MODEM Commands MODEM= Sets MODEM operation, three parameters: The MODEM= command controls three distinct parameters. OFF(default, OFF) Tech note: The reason is as follows; if set to ATMODE the...

SYNC The sync or synchronous mode relies on the modem generating clocksignals to the DVST. MODEM Modem switches from the command mode CMD> to allow directcontrol of a connected MODEM. The speed of communication with theMODEM will be as set with the MBAUD= command. This is called transparent MODEM...

7.3 Modem configuration strings All MODEMs need special configuration, depending on how the MODEM is to be usedand how the DVST will interact with it. Standard MODSTR set ups configure the MINIT and SREG strings, the USER string isleft free for any extra configuration that may be needed. MODSTR= Set...

SYNC This sets the MINIT and SREG strings for correct synchronousoperation with the MICROCOM 4232bis MODEM. The MODEMconfiguration strings are set up as follows: M2INIT=AT&M1 &D2 \GO \EO E1 &C1 \JOSREG2=ATSO=1 ASYNC This sets the MINIT and SREG strings for correct asynchronousoperation w...

DIAL= Modem dial string (default, ATDT) This is the command that must precede all numbers that the MODEMhas to dial. Typically the MODEM will dial using either pulse or tonedialling. This is dependent on the telephone exchange the MODEM isconnected to, most modern exchanges are able to accept tone d...

7.5 Connecting a modem in direct mode This mode uses a modem in a ‘dumb’ mode, and purely relies on the hardware controllines. Telephone number selection, and all other configuration must be performed at themodem. The modem is controlled using DTR (Data Terminal Ready), and indicates it’s statususin...

7.6 Using a modem in ATMODE In this mode the Hayes set of commands is used, all of which begin with the letters AT. Both call setup and configuration are performed using these commands. The commands can be configured on the DVST unit in setup mode. The modem is also controlled using DTR (Data Termin...

MODEM Requirements Although there are default settings for three MODEMs, other MODEMs can becofigured to operate with DVST. As the settings vary from manufacturer to manufacturer there is not a set series ofcommands that are guaranteed to work. The following tables detail possibleconfigurations, all...

7.8 MOTOROLA VFAST Cable required to connect to DVST: (25 to 25 - V24 SYNC) When installing the VFAST MODEM the following procedure should be followed: Connect the MODEM and DVST as in the installation chapter. Power up the DVST (leave the MODEM without power). Enter the setup mode and configure the...

7.9 Microcom V3242 Cable required to connect to DVST 25to25 (Part No.AS-DVST-SYNC) Syncronous mode : &M1Dial async, switch on connect.&D2Hangs up with on to off transition of DTR - needed for auto answer. \G0Disables modem flow control.\E0Do not echo data !E1Echo commands.&C1CD follows c...

7.10 Trailblazer Cable required to connect to DVST 9to25 (Part No. AS-DVST-ASYNC) Async mode Trailblazer in Conventional Command mode. &C1CD follows carrier.&k3RTS/CTS flow control.E1Echo commandsV1Textual result codes&M0Async mode s7=60Wait 60 seconds for carrier.s10=7Carrier loss to di...

8 Terminal Adapters TA(s) or Terminal Adapters allow the DVST to communicate over digital ISDNtelephone lines. 8.1 ISDN Connection (Terminal Adapter) Connection to an ISDN line is via a terminal adapter and Port 0. On systems using dualISDN lines both Port 0 and Port 1 should be connected. The type ...

X21 Uses X21 dialling for numbers in the DVST menu Connection can be made in the direct mode, where the number to be called is stored inthe terminal adapter, or in the X21 dialling mode where the DVST passes the number tobe dialled to the Terminal Adapter, or ATMODE. V35 V35=ON/OFFApplicable in all ...

8.3 Gandalf TA1 Cable required 15 to 25 (2 of Part No. AS-DVST-TA1) The Gandalf TA1 is a dual port unit capable of simultaneiusly using both ISDN Bchannels on an ISDN2 connection. The Gandalf has two X21 ports, PORT0 & PORT1. They must be configured as followsfor DIRECT connection: Direct Connec...

8.4 ASCOM 5000 / CITAM ATMODE Cables required - 2x 15 to 15 (Part No. AS-DVST-X21). Dip switch settings can be usedand should be set as follows: Note: Switch 3 selects the sub address, if used. Step Instruction Remarks 1 Using the pull handle, remove thecircuit board module from the Citam5000 2 Adju...

Step Instruction Remarks 9 Press the enter key, it will read‘SHOW’. Hold the select until thischanges to ‘CHNG’, press the enterkey , display will then show ‘DIPS’ fordip switch. 10 Press the enter key, it should read‘INAC’ for inactive, press the selectkey to change this to ‘ACTV’ foractive, press ...

8.5 Dataflex TA The Dataflex terminal adaptor Cable 2 x 15 to 15 way (X21 Cable Assembly refer to page ) When connected to or supplied with a Dataflex Terminal Adaptor the DFT0150willautomatically configure itself for this type of operation. Ensure all terminal adaptorconections are made BEFORE powe...

9 Leased Line Transmission Leased line transmission is generally used when a dedicated or private line is availableto connect the transmit and receive units. There are many different types of leased line, 2 wire and 4 wire, with many variantsdepending on what is offered by the PTT companies. Most co...

ORIGINATE The Receiver unit is set to originate. ANSWER The Transmitter unit is set to answer. OFF This disables the leased line feature. 9.3 Leased line operation When leased line operation has been set up, the DVST will attempt to communicate witha remote site when clocks are received. This does n...

10 Calls 10.1 Passwords Passwords can be set and used by the system. When a PASSWORD is set it providesprotection for the system at two points: 1) Whenever a remote system calls it must send the correct password, otherwiseno connection will be established. 2) Whenever the SETUP key is pressed, the p...

SPASSWORD= Set SETUP password to ... This feature allows an additional password to be allocated just toprovide security for the set up mode. This can be used to prevent aremote user accessing the system and altering the settings. Default: None set Note: To maintain security, passwords cannot be read...

10.3 Telephone Number Entries / Connection Commands TELn= Set telephone entry n to ...(default, blank) Twenty telephone numbers can be stored in memory. Format: TEL2=01044617944965 If the MODEM or ISDN Terminal Adapter is to work in the DIRECTmode, the entry can be left blank. Telephone number 0 is ...

TIMER= Call connection timeout period (default, 60 seconds) This is the period of time that the DVST will wait while trying to connecta call. This will vary depending on the type of call (ISDN or PSTN) andas there may be a delay in establishing International calls, the timervalue should be increased...

11 Images and Transmission Screen display - Periscope mode CAMLO=Sets low resolution cameo operation: Options are: QUADHIHigh resolution quad size imageQUADLOLow resolution quad size imageCAMHISixteenth screen size high resolution Default: QUADLO 11.1 Image size Target image size = In the different ...

Each input can respond to a contact closure or a contact opening, orrespond to both. ANOnn Set contact nn normally open ANCnn Set contact nn normally closed Images transmitted on alarm The action taken on detection of an alarm is for the DVST unit to store a point of alarmimage, dial the telephone n...

13 Audio The Digital Audio Interface ( DAL100 ) is a sound unit for the DVST range of productsworking on an intercom basis i.e. push-to-talk. Microphone and speaker connectionsare provided together with volume control and indicators for power, transmit, receiveand line error. 13.1 Equipment required...

13.2 Connecting the DAL100 Microphone ( refer to fig. 7 ) Connect the 3.5mm jack plug of the microphone into socket on end panel. Connect themicrophone press-to-talk lead to pins 1 and 9 of a 15way male connector and plug intosocket on end panel, Speaker ( refer to fig. 8 ) Connect the 3.5mm jack pl...

14 Cable Assemblies The following pages detail cable assemblies with connectors for use with DedicatedMicros rang of DVST transmitters and transceivers. The cables are fully screened forEMC compatibility. For prices and availability please contact our Sales Departments at the addressesbelow. Norther...

14.2 X21 Cable Assembly Dedicated Micros Ltd Page 57 DVTS Installation Guide Cable Assemblies

14.3 V24 Sync Modem Cable Assembly Page 58 Dedicated Micros Ltd Cable Assemblies DVTS Installation Guide

15 Glossary DVST Digital Video Storage and Transmission ISDN Integrated Services Digital Network - A digital telephone system capable oftransmitting data, speech, images and text. PSTN Public Subscriber Trunk Network - The standard telephone system used forspeech and fax communication. Speed of Upda...

16 Returns Procedure In the Event of Difficulty In the event of a fault, first approach your dealer or distributor. Dedicated Microsoperates a Technical Support Group where most technical problems can be solved overthe telephone. The addresses of Dedicated Micros are listed on the front page of this...