3620A Series
Contents
1. nm wavelengths allowing for convenient on site testing of fiber networks during construction and maintenance procedures It can be used to measure the power of an optical signal reaching the receiving end of a fiber optic cable as generated either by a transmitter unit or by a light source such as the 6620 Fiberlink 6620 Three Wavelength Light Source The Fiberlink Three Wavelength Light Source offers a laser output at wavelengths of 1310 and 1550 nm and VCSEL output at 850 nm allowing for convenient on site testing of fiber networks during construction and maintenance procedures Fiberlink 3620A Series User s Manual Page 15 Communications Specialties Fiberlink 3620A User s Manual Fiberlink 3620A Series ANB f CS Communications Composite Video and Two Channels of Audio Specialties Inc over one single mode or multimode fiber World Headquarters 55 Cabot Court Hauppauge New York 11788 USA Tel 631 273 0404 Fax 631 273 1638 info commspecial com commspecial com 2012 Communications Specialties Inc All Rights Reserved Fiberlink and the starburst logo are registered trademarks of Communications Specialties Inc CSI and the triangle designs are trademarks of Communications Specialties Inc P N 128658 Rev C2. Alarm Switch SEtUINOS lt lt 4 lt 0 oyanwewer uae ag erti aE EN KEER EEEE ES 6 INSTANATOMINGUMUCTIONS sess irisadidat reas EErEE AN ehevackihoreueesahtanne 7 Audio Configuration Transmitter 0 cece cece eee ence eee eeeenes 8 Audio Configuration Receiver ccc ccc eee cence een eeeeeeeenas 9 PUGIG VINO e eE NEE EE NAE EERE EER 10 AaOr LEDE erena EER EA E ond AEE aF 11 Operating POINTES ss ss cree cance dae teas eeade eo RAEE Eai 12 TOUDICSNOGLNG 000s ton oehedatasesnne tandqatess eens abused senenctt 12 Maintenance and Repairs ccc cece cece eee e eee eeeeeeeeeees 13 CORC OON 2 242 te dete EEEREN EA EN EEE 13 EE EE EE E EEE PE E EE E E EE E T E TI E 14 Accessories and Related Products ccc cece eee e eee e nee eenee 15 Page 2 Fiberlink 3620A Series User s Manual Fiberlink 3620A Series Welcome Features Package Contents Welcome Thank you for purchasing Communications Specialties Inc s Fiberlink 3620A Series The 3620A Series is used to transmit Composite Video over a single fiber optic core as well as 2 channels of audio The Fiberlink 3620A series is compatible with single mode or multimode fiber The system utilizes all digital processing to deliver noise free transmission The 3620A series is a cinche to install with no equalization deskewing or special tools required Features e 10 MHz video bandwidth per channel e Video channel is compatible with NTSC PAL or SECAM vi
3. Fiber Type Loss Budget Distance Single Mode Fiber 0 17 dB 40km Multimode Fiber 62 5u 0 20 dB 7 5km Multimode Fiber 50u 0 20 dB 5km Distance specifications are approximate and are not guaranteed Operating loss budget must not be exceeded Alarm Switch Settings amp Options The Rack Card version of this product has an additional red indicator LED that illuminates when an alarm condition exists The rack card unit also provides an output to drive a model 6020A Alarm Sensing Module which provides an audible tone and activates a set of contacts for external signaling purposes Alarm Switch Settings for the Transmitter Card Switch Position Alarm Indication On Off Loss of Input Video Enabled Disabled N A N A N A Alarm Indication On Off Loss of Optical Signal Enabled Disabled Loss of Input Video Enabled Disabled Page 6 Fiberlink 3620A Series User s Manual Fiberlink 3620A Series Installation Instructions Installation Instructions The Fiberlink 3620A Series of fiber optic transmission systems are ready for immediate use and do not require any special tools or equipment However an Optical Power Meter such as the Fiberlink 6615 can be useful in determining optical loss budgets during your systems design and maintenance The following instructions describe the typical installation procedure 1 Connect the video source to the video input BNC connector on the transmitter unit 2 Optional Connect y
4. the front panel Operation is as follows Audio Configuration Switch Settings Receiver Box Channel Balanced Unbalanced Boost Switch Position Channel 1 Switch 4 Up Switch 4 Down Switch 2 Down Switch 2 Up Channel 2 Switch 3 Up Switch 3 Down Switch 1 Down Switch 1 Up Audio Configuration Switch Settings Receiver Card Channel Balanced Unbalanced Boost Switch Position Channel 1 Switch 4 On Switch 4 Off Switch 2 Off Switch 2 On Channel 2 Switch 3 On Switch 3 Off Switch 1 Off Switch 1 On Fiberlink 3620A Series User s Manual Page 9 Fiberlink 3620A Series Audio Wiring Audio Wiring Transmitter Balanced Unbalanced Channel 1 Input Channel 1 Ground Channel 1 Input Channel 1 Signal tone Shield Channel 2 Input gA Channel 2 Ground m Channel 2 Input Channel 2 Signal Audio Wiring Receiver Balanced Unbalanced Channel 1 Output Channel 1 Ground Channel 1 Output Channel 1 Signal aa Shield Shield Channel 2 Output re Channel 2 Ground ws Channel 2 Output Channel 2 Signal Page 10 Fiberlink 3620A Series User s Manual Fiberlink 3620A Series Indicator LEDs Indicator LEDs The Fiberlink 3620A Series has several indicator LEDs that are used to monitor the state of the unit Card versions have an additional Alarm LED Status Definition On Indicates that correct power has been applied Off Indicates that no video is pre
5. Communications Specialties Fiberlink 3620A User s Manual Quality composite video and two channels of stereo audio delivered over one single mode or multimode fiber optic core Fiberlink 3620A is feature rich with10Mhz video bandwidth balanced or unbalanced audio controls and user selectable audio gain from 0 to 6 GB All digital processing with no equalization deskewing or other configuration required Fiberlink 3620A Series Composite Video and Two Channels of Audio over one single mode or multimode fiber JDB CS Communications Specialties Inc World Headquarters 55 Cabot Court Hauppauge New York 11788 USA Tel 631 273 0404 Fax 631 273 1638 info commspecial com commspecial com Fiberlink 3620A Series Contents Contents WV CLC OIE 6c eure capa eae tate a eG ase wea ases cue eee need aves oes 3 Fa SS ee ek eee ae ws eee eee we see a ee ee 3 Package COMING 2 304 5icatocaueacmieage SEELE TAERE REEERE RAFET EURES 3 Technical Specifications Model Part Number Specifications 0 ccc cece cece eee e ee enes 4 General SPECIICAVONS a ihanricdegornnaney iors hoes ee tecaleneor wanes 4 Video Specifications ccccecceeeccesdesvadsasseesseeuasseeenevrs 4 Audio Specifications 0 cece cece cece eee e tee eee eeeeeeeens 5 Operating Loss Budgets cece ccc ce eect eee eee eee eeeeeeeees 6 Maximum Useable Distance ccc cece eee eee eee ee ences 6
6. TU Hr Transmitter or Receiver 10 to 60 C 1310nm ST 10 MHz 3 dB 0 2 dB to 5 MHz 75 Ohms nominal 60 dB CCIR weighted 0 5 0 5 lt 10ns 0 5 Unity Gain 3 BNC Fiberlink 3620A Series User s Manual Fiberlink 3620A Series Technical Specifications Audio Specifications Number of Audio Channels Bits per sample Sampling Rate Audio Connector Switches Frequency Response Maximum Audio Level Signal to Noise Ratio A weighted THD Channel Phase Differential Crosstalk Audio Noise Level System Gain Receiver Output Gain Input Impedance Output Impedance Audio to Video Diff Delay skew Fiberlink 3620A Series User s Manual Technical Specifications 2 balanced or unbalanced 24 bits 52 kHz Screw terminal block Select input termination e Balanced or unbalanced input output selectable ona per channel basis e Output gain boost 0 dB or 6 dB 0 0 5 dB 20 Hz 20 kHz 10 dBu 95 dB referenced full scale balanced 0 002 20Hz 20 kHz full scale 0 1 100 dB 1kHz 85 dBm Unity Gain 3 input balanced 600 ohms 50 ohms source impedance output balanced into 600 ohms gain boost 0 dB 0 dB or 6 dB switch selectable 600 Ohms terminated gt 24K ohms unterminated 50 Ohms nominal lt 300 usec Page 5 Fiberlink 3620A Series Optical Loss Budgets Alarm Switch Settings Optical Loss Budget amp Maximum Useable Distance
7. deo standards e Two audio channels that may be user configured for balanced or unbalanced inputs and outputs e Switch selectable audio output gain boost of 0 dB or 6 dB e Indicator LEDs monitor power video and audio signals e Transmits over one multimode or single mode fiber e No adjustments pure digital processing and transmission e Wide range power supply allows operation from both AC and DC sources e System consists of transmitter and receiver unit card or box version e Card version fills one slot in 6000A card cage Package Contents e One Fiberlink 3620A or 3621A e This User s Manual Fiberlink 3620A Series User s Manual Page 3 Fiberlink 3620A Series Technical Specifications Model Part Number Specification Unit Type Transmitter Box Transmitter Rack Card Receiver Box Receiver Rack Card General Specifications Indicators Box Version Dimensions Weight Number of slots in 6000A card cage Power Operating Temperature Operating Wavelength Optical Connector Video Specifications Frequency Response Input Output Impedance Signal to Noise Ratio Differential Gain Differential Phase Y C Delay 2T K Factor System Gain Video Connector Page 4 Technical Specifications Part Number 3620A B7S 3620A C7S 3621A B7S 3621A C7S Power Video Audio Alarm Card version 5 Wx 1 15 Hx 5 25 L inches 127 W x 29 Hx 203 L mm approx 10 oz 0 284 kg 1 9 24 volts AC or DC 3 5 watts 11 94 B
8. e any equipment is returned by the Buyer All materials must be shipped to CSI at the expense and risk of the Buyer CSI s obligation under this warranty will be limited at its option to either the repair or replacement of defective units including free materials and labor In no event shall CSI be responsible for any incidental or consequential damages or loss of profits or goodwill CSI shall not be obligated to replace or repair equipment that has been damaged by fire war acts of God or similar causes or equipment that has been serviced by unauthorized personnel altered improperly installed or abused RMA numbers and repairs can be obtained from Communications Specialties Inc 55 Cabot Court Hauppauge NY 11788 USA Tel 631 273 0404 Fax 631 273 1638 RMA numbers can also be obtained from our web site commspecial com Please have your serial number available Page 14 Fiberlink 3620A Series User s Manual Fiberlink 3620A Series Accessories and Related Products Fiberlink 6610 Visible Light Source The Fiberlink Visible Light Source provides a visible 650 nm laser output that can be used for identifying fiber breaks and individual fibers within fiber bundles allowing for convenient on site testing of fiber networks during construction and maintenance procedures Fiberlink 6615 Optical Power Meter The Fiberlink Optical Power Meter measures the power of optical signals at 850 980 1310 and 1550
9. ected to the optical connector may be sufficient intensity to cause instantaneous damage to the retina of the eye Direct viewing of this radiation should be avoided at all times Fiberlink 3620A Series User s Manual Page 7 Fiberlink 3620A Series Audio Configuration Transmitter Audio Configuration Transmitter The Fiberlink 3620A Transmitter units have a four position DIP switch that is accessible from the front panel Operation is as follows Audio Configuration Switch Settings Transmitter Box Channel Balanced Balanced Unbalanced Switch Position 600 Ohms 24k 24k controled a ba Controlled by Switches 3 amp 4 Switch 3 Up Switch 3 Up Switch 3 Down Switch 4 Down Switch 4 Up Switch 4 Up Channel 2 Switches 1 amp 2 Switch 1 Up Switch 1 Up Switch 1 Down Switch 2 Down Switch 2 Up Switch 2 Up Audio Configuration Switch Settings Transmitter Card Channel Balanced Balanced Unbalanced Switch Position 600 Ohms 24k 24k Channel 1 Controlled by Switches 3 amp 4 Switch 3 On Switch 3 On Switch 3 Off Switch 4 Off Switch 4 On Switch 4 On Channel 2 Controlled by Switches 1 amp 2 Switch 1 On Switch 1 On Switch 1 Off Switch 2 Off Switch 2 On Switch 2 On Page 8 Fiberlink 3620A Series User s Manual Fiberlink 3620A Series Audio Configuration Receiver Audio Configuration Receiver The Fiberlink 3621A Receiver units have a four position DIP switch that is accessible from
10. le light source such as the Fiberlink 6610 and a Three Wavelength Light Source such as the Fiberlink 6620 can greatly assist and expedite troubleshooting of fiber optic transmission systems and are recommended tools all installers should have available Finally although multimode and single mode devices may look the same they will not operate properly together Using the wrong device or fiber can easily add more attenuation than specified resulting in poor overall performance It should be noted that some of our fiber optic products support both single mode and multimode fiber in the same unit If after reviewing the above possibilities the system is still not operating please contact the Customer Service Department for further assistance If you suspect your problem is caused by the optics or the fiber optic cable and you have an optical power meter please take the appropriate measurements prior to contacting support Page 12 Fiberlink 3620A Series User s Manual Fiberlink 3620A Series Maintenance and Repairs Certifications Maintenance and Repairs The Fiberlink 3620A Series has been manufactured using the latest semiconductor devices and techniques that electronic technology has to offer They have been designed for long reliable and trouble free service and are not normally field repairable Should difficulty be encountered Communications Specialties maintains a complete service facility to render accurate
11. our audio source to the audio input on the transmitter unit 3 Connect the video output cable to the video output BNC connector on the receiver unit 4 Optional Connect audio ouput cable to the audio ouput on the receiver unit 6 Connect the fiber optic cable to the transmitter and receiver units 7 Connect the Universal Power Supply to the transmitter and receiver units For box versions using DC power please refer to figure 1 8 Configure your audio preferences as described in the Audio Configuration section of this manual 9 When power is applied the green POWER LED should illuminate indicating the presence of operating power The Video and the Audio LEDs will give an indication as described in the Indicator LED s and Alarm Circuitry section of this manual 10 The system should now be operational Note The Rack Card version has an additional red LED for indicating the presence of an alarm condition loss of signal Refer to Indicator LED s and Alarm Circuitry sections of this manual Figure 1 Power Connector DC Input Polarity Negative Positive 9 24 Volts AC or DC The transmitting element in the Fiberlink 3620A transmitter unit contains a solid state Laser Diode located in the optical connector This device emits invisible infrared electromagnetic radiation which can be harmful to human eyes The radiation from this optical connector if viewed at close range with no fiber optic cable conn
12. sent On Indicates that video is present Off Indicates that no audio is present Blinking Indicates that audio is present On Loss of input video card version only Fiberlink 3620A Series User s Manual Page 11 Fiberlink 3620A Series Operating Pointers Troubleshooting Operating Pointers Remember to check attenuation of the fiber optic cable The system will only operate properly if these specifications fall within the range of the system s loss budget Troubleshooting Multimode fiber optic cable contains an optical fiber with a light carrying core that is only 0025 inches 62 5 microns in diameter Single mode fiber optic cable has an even smaller core only 00032 to 0004 inches 8 10 microns This is smaller than a human hair Therefore any minute particles of dirt or dust can easily block the fiber from accepting or radiating light To prevent this from happening always use the provided dust caps when ever optical connectors are exposed to air It is also a good idea to gently clean the tip of an optical connector with a lint free cloth moistened with alcohol whenever dust is suspected The status of the LEDs should provide the first clue as to the origin of any operational failure If these are off it usually means that the fiber is broken or has too much attenuation Next be certain that the input and output signal connections are correct An optical power meter such as the Fiberlink 6615 a visib
13. timely and reliable service of all products The only maintenance that can be provided by the user is to ascertain that optical connectors are free of dust or dirt that could interfere with light transmission and that electrical connections are secure and accurate Please see the Troubleshooting section of this manual for additional information An optical power meter such as the Fiberlink 6615 a visible light source such as the Fiberlink 6610 and a Three Wavelength Light Source such as the Fiberlink 6620 can greatly assist and expedite troubleshooting of fiber optic transmission systems and are recommended tools all installers should have available All other questions or comments should be directed to our Customer Service Department It should be noted that many problems can easily be solved by a simple telephone call If you suspect your problem is caused by the optics or the fiber optic cable and you have an optical power meter please take the appropriate measurements prior to contacting support cena CE FE ertifications C if Fiberlink 3620A Series User s Manual Page 13 Fiberlink 3620A Series Warranty LIM ITEDIWARRANTY Communications Specialties Inc CSI warrants that for a period of three years after purchase by the Buyer this product will be free from defects in material and workmanship under normal use and service A Return Material Authorization RMA number must be obtained from CSI befor
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