CSI designs and manufactures Fiberlink® fiber optic transmission systems for video, audio and data,
Scan Do® scan converters,
Deuce® video scalers and more!
Communications Specialties, Inc. (CSI) offers a comprehensive line of point-to-point and point-to-multipoint fiber optic transmission systems for video, audio and data.
All products within the Fiberlink® line deliver state-of-the-art performance at unparalleled pricing.
Be sure to check out our Fiber Optic Test Equipment!

The Fiberlink® 7250 Series digitally transmits high resolution RGB (up to WUXGA) and stereo audio using two single mode or multimode fiber optic cores at 1310 nm wavelength. The system supports Supports VGA, SVGA, XGA, WXGA, SXGA, SXGA+,...
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The Fiberlink® 7227 is a receiver with an optical loop-thru for use with any of the 7220 Series transmitters. It offers 4 baseband outputs along with 8 channels of stereo audio and an optical loop-thru.The Fiberlink® 7220 Series digitally...
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The Fiberlink® 7226 transmitter offers 12 optical outputs making it simple to distribute VGA and stereo audio signals to multiple destinations. The Fiberlink® 7220 Series digitally transmits
high-resolution RGB (up to WXGA) and stereo audio...
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The Fiberlink® 7225 is a receiver for use with any of the 7220 Series transmitters. It offers 1 baseband output along with 2 channels of stereo audio and features an optical loop-thru so that your transmission can continue to another 7220...
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The Fiberlink® 7224 transmitter offers 8 optical outputs making it simple to distribute VGA and stereo audio signals to multiple destinations.
The Fiberlink® 7220 Series digitally transmits
high-resolution RGB (up to WXGA)...
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The Fiberlink® 7223 is a receiver for use with any of the 7220 Series transmitters. It offers 4 baseband outputs along with 8 channels of stereo audio.The Fiberlink® 7220 Series digitally transmits
high-resolution RGB (up to WXGA) and...
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The Fiberlink® 7222 transmitter offers 4
optical outputs making it simple to distribute VGA and stereo audio signals to
multiple destinations.
The Fiberlink® 7220 Series digitally transmits
high-resolution RGB (up to...
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The Fiberlink® 7220 Series digitally transmits high-resolution RGB (up to WXGA) and stereo audio over one single mode or multimode fiber optic core at 1310 nm wavelength. Ideal for point-to-point, point-to-multipoint and drop-and-repeat...
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The Fiberlink® 7240 Series digitally transmits RGBHV, stereo audio, bidirectional 10Base-T and bidirectional data over one single mode or multimode fiber.Support for VGA, SVGA, XGA and WXGA (640 x 480 up to 1366 x 768 ) and HDTV resolutions...
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The Fiberlink® 7240 Series digitally transmits RGB, stereo audio and one way RS type data over one single mode or multimode fiber and is available in both card and box form factors.Support for VGA, SVGA, XGA and WXGA (640 x 480 up to 1366 x...
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The Fiberlink® 7512 Series of optical DVI extenders is capable of driving two Fiberlink® 7511 receivers in a point-to-multipoint configuration over multimode fiber. The unique dual optical outputs of the 7512 allow you to deliver your DVI...
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The Fiberlink® 7510 Series supports DVI transmission (up to 1920x1200) and stereo audio over one single mode or multimode fiber without compression, scaling or adjustments. It is ideal for Digital signage, broadcast or corporate studio,...
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The Fiberlink® 3380 Series allows you to transmit 3G, HD or SD-SDI as per SMPTE 424M-2006, 292 and 259 with the ability to embed up to 4 channels (2 pairs) of analog line level audio. Convenient switches on the 3380 Series transmitter allow...
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The Fiberlink® 3370 Series allows you to transmit 3G, HD or SD-SDI as per SMPTE 424M-2006, 292 and 259 with the ability to transmit 10/100 Base-T Ethernet and two channels of RS-Type data over a single fiber optic core. All data channels...
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The Fiberlink® 3360 Series allows you to transmit 3G, HD or SD-SDI as per SMPTE 424M-2006, 292 and 259 with the ability to embed up to 8 channels (4 pairs) of AES/EBU digital audio. Convenient switches on the 3360 Series transmitter allow...
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No longer do you need to purchase expensive 3G/HD/SD-SDI displays!
The Fiberlink® 3357 Series receives SMPTE standard 3G, HD or SD-SDI signals transmitted from the Fiberlink® 3350, Fiberlink® 3360, or Fiberlink® 3380 Series transmitters,...
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No longer do you need to purchase expensive 3G/HD/SD-SDI displays!
The Fiberlink® 3355 Series receives SMPTE standard 3G, HD or SD-SDI signals transmitted from the Fiberlink® 3350, Fiberlink® 3360, or Fiberlink® 3380 Series transmitters,...
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No longer do you need to purchase expensive 3G/HD/SD-SDI displays!
The Fiberlink® 3353 Series receives SMPTE standard 3G, HD or SD-SDI signals transmitted from the Fiberlink® 3350, Fiberlink® 3360, or Fiberlink® 3380 Series transmitters,...
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The Fiberlink® 3350 Series allows you to transmit 3G, HD or SD-SDI as per SMPTE 424M-2006, 292 and 259, with or without embedded audio and data, as well as DVB-ASI over one single mode or multimode fiber. Signals are equalized and...
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Configure your Flex Now!The Fiberlink® Flex System employs pure digital processing and transmission to transmit any combination of video, audio, data and contact closure signals, in one or both directions, over one or two multimode or...
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The all-digital Fiberlink® 7820 series has three modes of operation allowing the user to transmit high-quality HD/SD Component Video along with stereo audio, or S-Video and Composite Video along with stereo audio, or three channels of...
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The Fiberlink® 3620A Series transmits composite video and two independent audio channels over one multimode or single mode fiber. It is ideal for Videoconferencing, Broadcast and Cable TV and Digital Signage applications.
Features:
10...
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The Fiberlink® 7140 Series digitally transmits four uncompressed video channels and eight independent audio channels over one multimode or single mode fiber at 850, 1310 or 1550 nm. Video channel is compatible with NTSC, PAL or SECAM video...
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The Fiberlink® 7130 Series digitally transmits 15 MHz Wideband Video with four independent audio channels over one multimode or single mode fiber at 850, 1310 or 1550 nm using 10-bit video sampling. The video channel is compatible with...
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The Fiberlink® 3134 Series is a 10 Channel Video Multiplexer that transmits all-digital signals over one single mode or multimode fiber. Fiberlink® 3134 is capable of multiplexing up to 10 individual composite video sources onto one optical...
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The Fiberlink® 7100 Series digitally transmits 15 MHz Wideband Video over one multimode or single mode fiber at 850, 1310 or 1550 nm using 10-bit video sampling. The video channel is compatible with NTSC, PAL or SECAM video standards. Pure...
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The Beamer-V provides fiber optic transmission of composite video in a simple, low-cost system. It transmits up to three kilometers over multimode fiber at 850 nm at 8 MHz video bandwidth. Beamer-V is ideal for Security and A/V Confidence...
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The Fiberlink® 5100 Series transmits 10/100/1000 Base-T Ethernet over one or two single mode or multimode fiber optic cables. The Fiberlink® 5100 supports both full and half duplex modes and is ideal for IT, broadcast and pro a/v...
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The Fiberlink® 5018 Universal Data Transceiver digitally transmits RS-232/422/485 data over multimode or single mode fiber at 850 or 1310 nm. It transmits and receives all standard data-related signals in accordance with EIA specifications....
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The Fiberlink® 5012 Universal Data Transceiver digitally transmits RS-232/422/485 data over multimode or single mode fiber at 850 or 1310 nm. It transmits and receives all standard data-related signals in accordance with EIA specifications....
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The Fiberlink® 5002 transmits RS-232 data over standard multimode fiber at 850 nm for simplex, duplex, asynchronous, point-to-point and drop-and-repeat operation. The micro transceiver occupies no more space than a DB-25 connector and...
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Fiberlink® Matrix is a fully configurable and SMPTE compliant 32x32 optical router. The inputs and outputs can be ordered in quantities of one and the input and output quantities do not have to match providing you with the ability to build...
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Fiberlink® Matrix is a fully configurable and SMPTE compliant 16x16 optical router. The inputs and outputs can be ordered in quantities of one and the input and output quantities do not have to match providing you with the ability to build...
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Coarse wave division multiplexers (CWDM) allow 4, 8 or 16 fiber optic links to operate at different
wavelengths over a single fiber. The 6400 Series is ideal for virtually every fiber optic application to reduce fiber usage, consolidate...
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Coarse wave division multiplexers (CWDM) allow 4, 8 or 16 fiber optic links to operate at different
wavelengths over a single fiber. The 6400 Series is ideal for virtually every fiber optic application to reduce fiber usage, consolidate...
[learn more]
Coarse wave division multiplexers (CWDM) allow 4, 8 or 16 fiber optic links to operate at different
wavelengths over a single fiber. The 6400 Series is ideal for virtually every fiber optic application to reduce fiber usage, consolidate...
[learn more]
The
Fiberlink® 8100 Series
distribution amplifier (D.A.) may be
configured to transmit up to twelve outputs of
any type of signal(s) supported by the Fiberlink® line of
products. Its ability to provide...
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The
Fiberlink® 8100 Series
distribution amplifier (D.A.) may be
configured to transmit up to twelve outputs of
any type of signal(s) supported by the Fiberlink® line of
products. Its ability to provide...
[learn more]
The
Fiberlink® 8100 Series
distribution amplifier (D.A.) may be
configured to transmit up to twelve outputs of
any type of signal(s) supported by the Fiberlink® line of
products. Its ability to provide...
[learn more]
The
Fiberlink® 8100 Series
distribution amplifier (D.A.) may be
configured to transmit up to twelve outputs of
any type of signal(s) supported by the Fiberlink® line of
products. Its ability to provide...
[learn more]
The
Fiberlink® 8100 Series
distribution amplifier (D.A.) may be
configured to transmit up to twelve outputs of
any type of signal(s) supported by the Fiberlink® line of
products. Its ability to provide...
[learn more]
The
Fiberlink® 8100 Series
distribution amplifier (D.A.) may be
configured to transmit up to twelve outputs of
any type of signal(s) supported by the Fiberlink® line of
products. Its ability to provide...
[learn more]
The Pure
Digital Fiberlink® 8000 Series distribution amplifier (D.A.) may be configured to
transmit from one to four outputs of any type of signal(s) supported by the Pure
Digital Fiberlink® line of products. Its ability to...
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The
Fiberlink® 8000 Series distribution amplifier (D.A.) may be
configured to transmit from one to four outputs of any type of
signal(s) supported by the Fiberlink® line of products. Its
ability to provide point-to-multipoint...
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The Fiberlink® 6500 Series passive optical splitters allow transmission from a one way fiber optic transmitter to drive multiple receiver units simultaneously by “splitting” optical power across outputs. It is compatible with all Fiberlink®...
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The Fiberlink® 6500 Series passive optical splitters allow transmission from a one way fiber optic transmitter to drive multiple receiver units simultaneously by “splitting” optical power across outputs. It is compatible with all Fiberlink®...
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The Fiberlink® 6400 Series passive wave division multiplexers (WDMs) combine two optical signals at different wavelengths onto a single fiber. The systems may be used to transmit two separate optical signals in the same direction or in...
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The Fiberlink® 6400 Series passive wave division multiplexers (WDMs) combine two optical signals at different wavelengths onto a single fiber. The systems may be used to transmit two separate optical signals in the same direction or in...
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The Fiberlink® 4320 Series digitally transmits thirty-two independent audio channels over one multimode or single mode fiber at 850, 1310 or 1550 nm, with optional redundancy. It is ideal for Rental, Staging, Theater, Stadiums, Theme Parks...
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The Fiberlink® 4160 Series digitally transmits sixteen independent audio channels over one multimode or single mode fiber at 850, 1310 or 1550 nm, with optional redundancy. It is ideal for Rental, Staging, Theater, Stadiums, Theme Parks and...
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The Fiberlink® 4040 Series digitally transmits four independent audio channels over one multimode or single mode fiber at 850, 1310 or 1550 nm. It is ideal for Rental, Staging, Education and Broadcast applications. Features: No adjustments;...
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The Fiberlink® 3134 Series is a 10 Channel Video Multiplexer that transmits all-digital signals over one single mode or multimode fiber. Fiberlink® 3134 is capable of multiplexing up to 10 individual composite video sources onto one optical...
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The Fiberlink® 3820 is the two fiber version of the Fiberlink® 3810.
The Fiberlink® 3800 Series transmits Composite Video and
Bidirectional Data over multimode or single mode fiber at 850, 1310 or
1550 nm using one or two fibers. The...
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The Fiberlink® 3800 Series transmits Composite Video and
Bidirectional Data over multimode or single mode fiber at 850, 1310 or
1550 nm using one or two fibers. The 3800 Series is ideal for Security
and Casino...
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The XRD-8050 supports fiber optic data transmission for CALTRANS 170 or 179 series and NEMA traffic signal controller applications. It is ideal for Intelligent Transportation and Traffic and Control applications.Features:Implements a fiber...
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The Fiberlink® XC/RC-1000A transmits eight independent contact closure
or TTL signals over a single fiber and is ideal for Security Centers,
Casinos, Power Plants and Industrial Facilities. The eight independent
channels may be used in...
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The Fiberlink® XC/RC-1000A transmits eight independent contact closure or TTL signals over a single fiber and is ideal for Security Centers, Casinos, Power Plants and Industrial Facilities. The eight independent channels may be used in any...
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The Fiberlink® XA/RA-1900A and XR-1900 fiber optic systems transmit IRIG
and similar NASA and NBS standard instrumentation time-code formats
over standard multimode or single mode fiber at 850 nm or 1310 nm.
Combinations of four...
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The Fiberlink® XA-1903 fiber optic transceiver transmits IRIG and similar NASA and NBS standard instrumentation time-code formats up to 100 kHz over standard multimode or single mode fiber at 850 nm or 1310 nm. Combinations of four...
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The Fiberlink® XA/RA-1900A and XR-1900 fiber optic systems transmit IRIG
and similar NASA and NBS standard instrumentation time-code formats
over standard multimode or single mode fiber at 850 nm or 1310 nm.
Combinations of four...
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The Fiberlink® XA/RA-1900A and XR-1900 fiber optic systems transmit IRIG and similar NASA and NBS standard instrumentation time-code formats over standard multimode or single mode fiber at 850 nm or 1310 nm. Combinations of four different...
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