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SILVERLINE  VTX  03/09/08 User Guide  Issue1                                                                 

                                                       Page 3

  

 
This  product  is  intended  for  use  with  multimode  fibre  and  is  available  to  order  fitted  with 
either the ST or SMA fibre optic connectors. The Cove Communications 

SILVERLINE

 VTx  

Fibre Optic Video Transmitter is intended for use with the range of Cove Communications 
Fibre Optic Video Receivers. This range includes the 

SILVERLINE

 VRx miniature receiver 

and  the 

STARLINE

  19  inch  rack mountable  range  of  receivers,  VRX  1    Channel,  VRX  2  

Channel, and the VRX 3  Channel version.  
 
 
The  unit  is  constructed  in  a  robust  light  weight  housing  and  is  fitted  with  a  BNC  video 
connector  intended  for  direct  connection  to  video  sources  such  as,  cameras,  video  tape 
recorders etc.  
 
Power is connected to the unit via a miniature circular connector requiring a n12v 
D.C. supply. 
 
To help during installation LED's are provided to indicate that the D.C. power is connected, 
that video is present.  
 
This equipment has been designed to meet the European EMC requirements. 
 
 
 
 

2. FEATURES

 

 

  Compact miniature metal case construction 

  Conforms fully to all world composite broadcasting standards (PAL, NTSC, SECAM) 

  Video composite encoding system independent 

  Up to 4km video distribution with multimode fibre optic cable 

  Suitable for colour and monochrome video systems 

  ST or SMA Optical connectors to order 

  Easy Installation  

  Connects directly to the video source 

  Low cost 

  Wide Bandwidth 

  Low Distortions 

  Transparent operation 

  Video present LED 

  Power connection indication LED 

  Internal DC Supply regulation 

  Optional mains power cube DC supply 

Содержание SILVERLINE VTx

Страница 1: ...Tx Miniature Fibre Optic Video Transmitter Serial Number Date Commissioned Commissioned By Cove Communications Contacts Cove Communications Ltd 8 Copthorne Business Park Dowlands Lane Copthorne Crawley West Sussex England RH10 3HX Tel 44 0 845 838 8850 Fax 44 0 1342 715384 ...

Страница 2: ... suitable for transmission over fibre with this product This product enables high quality video distribution over fibre without the need for equalisation for distances up to 4km Because of the wide bandwidth of the Cove Communications SILVERLINE Fibre Optic Video Transmitter and its video encoding systems independence users can be confident when using this product that they are relatively future p...

Страница 3: ...ameras video tape recorders etc Power is connected to the unit via a miniature circular connector requiring a nominal 12v D C supply To help during installation LED s are provided to indicate that the D C power is connected that video is present This equipment has been designed to meet the European EMC requirements 2 FEATURES Compact miniature metal case construction Conforms fully to all world co...

Страница 4: ...3V syncs to 0 7V video Video input Impedance 75 Ohms Bandwidth Greater than 15MHz Operating Distance fibre d c to 15 MHz 4km with Cove Communications optical video receiver LED Indications Power and video present Light Source LED Light Source Wave Length 850nm Optical output power Greater than 30µW 62 5 125 fibre Optical Connectors ST Construction Metal Case Overall Size 71 x 63 x 30mm DC Power Re...

Страница 5: ...o transmitter is small enough to be connected directly to the video source and may either draw its power from the host equipment or from an external D C supply The video signal is processed in the analogue domain and converts the analogue video input signal into a linearly modulated infra red light source for transmission down the fibre optic cable 5 2 AGC Automatic Gain Control The AGC Automatic ...

Страница 6: ...ation Records NOTES 6 2 External use If this fibre optic video transmitter is to be used with a video camera mounted in the open it should be fitted into the climatic enclosure along with the camera If the video camera has a pan tilt and zoom pedestal it is recommended that the Video SILVERLINE is mounted to a fixed position and a special flexible video coaxial cable used for the camera connection...

Страница 7: ...e video transmitters are supplied with either ST or other fibre optic connectors according to the order If no preference is stated the default connector will be the ST version 6 6 Fibre Optic Cable The transmitter will work with all multimode fibre optic cable 50 125 and 62 5 125 fibre optic cable is recommended 7 MAINTENANCE The unit has been designed for continuous running and fault free operati...

Страница 8: ... in level Green and Yellow LED s Fibre optic cable loss is too high are ON but there is no Dirt in fibre optic connectors or the level is low due to video output at the receiver a faulty optic transmitter diode return to Cove Communications for service Green and Yellow LED s Mixed sync level at the transmitter is too high in are ON but the video output amplitude compared to the peak white level le...

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