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Time Domain Reflectometers, Optical Specifications

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OTDR Type




           
   Your choices are...
 
      
 
   Bench Top
 
     The optical time domain reflectometer is the larger bench top type.
 
   Rack Mount
 
     The optical time domain reflectometer is rack mountable.
 
   Handheld
 
     The optical time domain reflectometer is portable.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Cable Type:       
   Your choices are...
 
      
 
   Single Mode
 
     An optical fiber that will allow only one mode to propagate. The fiber has a very small core diameter of approximately 8 µm. It permits signal transmission at extremely high bandwidth and allows very long transmission distances.
 
   Multimode
 
     A fiber optic cable, which supports the propagation of multiple modes. Multimode fiber may have a typical core diameter of 50 to 100 µm with a refractive index that is graded or stepped. It allows the use of inexpensive LED light sources and connector alignment and coupling is less critical than single mode fiber. Distances of transmission and transmission bandwidth are less than with single mode fiber due to dispersion.
 
   Single Mode / Multimode
 
     The optical time domain reflectometer may be used with both single mode and multimode cables.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Connector Type:       
   Your choices are...
 
      
 
   Biconic
 
     Biconic connectors have precision tapered ends for low insertion loss.
 
   D4
 
     D4 connectors contain composite zirconia ceramic ferrules for durability. They feature a high-performance threaded mounting system and a keyed body for repeatability and intermateability.
 
   ESCON
 
     ESCON connectors derive their name from their original application, IBM's enterprise system connection (ESCON) for mainframe computers. ESCON connectors are similar to FDDI connectors, but contain a retractable shroud instead of a fixed shroud. ESCON connectors have two 2.55 mm ceramic ferrules and a robust strain relief design.
 
   FC
 
     FC connectors have an all-zirconia ceramic ferrule for durability, a high-performance threaded mounting system, and a keyed body for repeatability and intermateability. FC connectors are used primarily with single mode fibers and in telephone, instrumentation, and high-speed communication links.
 
   FDDI
 
     Fiber distributed data interface (FDDI) connectors are designed for use in FDDI networks, a LAN technology that uses dual, counter-rotating 100-Mbps fiber optic rings. FDDI connectors are duplex devices that contain two 2.5 mm ferrules. A fixed shroud protects the ferrules from damage.
 
   LC
 
     LC connectors include a polished, zirconia ceramic ferrule and a push / pull-style housing with a latching mechanism. LC connectors are half the size of standard fiber optic cable connectors. They are suitable for both public and private networks.
 
   Loopback
 
     Loopback connectors are used to test transceiver systems.
 
   MTP
 
     MTP connectors are threaded and well-suited for high density applications.
 
   MT-RJ
 
     Unlike other fiber optic connectors, MT-RJ connectors hold two fibers with a single ferrule. MT-RJ connectors are a variation of MT connectors, but use a smaller ferrule.
 
   MU
 
     MU connectors contain a ferrule with a diameter of 1.25 mm. Applications include high-speed data communications, voice networks, telecommunications, and dense wavelength division multiplexing (DWDM). MU connectors are also used in multiple optical connections and as a self-retentive mechanism in backplane applications.
 
   SC
 
     Subscription channel (SC) connectors are coaxial, medium-size devices with a constant 50Omega: Ohms impedance and a frequency range of 0 - 11 GHz. They are larger than BNC connectors, but about the same size as Type N devices.
 
   SMA
 
     Subminiature-A (SMA) connectors are intended for use on semi-rigid cables in components. They directly interface the cable dielectric without air gaps.  They are not intended for permanent connections.
 
   ST
 
     Straight tip (ST) connectors use a quick release, bayonet coupling that requires only a quarter turn to engage or disengage. Built-in keying provides repeatable performance because ST connectors always mate with a coupling bushing in the same way. ST connectors are used in FDDI cabling applications.
 
   Other
 
     Other unlisted fiber optic connectors.
 
   Search Logic:      Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches.
OTDR Performance




   Wavelength Range:
 
     The range of wavelengths the optical time domain reflectometer is designed to operate in.
 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Dynamic Range:
 
     The combination of the total pulse power of the laser source and the sensitivity.
 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Distance Range:
 
      
 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Dead Zone:
 
     The space on a fiber trace following a Fresnel reflection, in which the high return level of the reflection covers up the lower level of backscatter.
 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Distance Resolution:
 
     How close the individual data points are spaced in time. 
 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
   Power Resolution:
 
     The ability of the sensor to distinguish between the levels of power it receives.
 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
OTDR Interface




           
   Your choices are...
 
      
 
   RJ-45
 
     The RJ-45 connector is commonly used for network cabling and for telephony applications.  It's also used for serial connections in special cases. 
 
   RS232
 
     Interface between data terminal equipment and data communications equipment employing serial binary data interchange.
 
   RS422
 
     RS422 is a balanced serial interface for the transmission of digital data. It was designed for greater distances and higher Baud rates than RS232.
 
   TTL
 
     Transistor-transistor logic, a common type of digital circuit in which the output is derived from two transistors. More commonly, however, TTL is used to designate any type of digital input or device.
 
   Other
 
     Any other interface type not listed.
 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
OTDR Features




   Internal Disk Drive?
 
     The optical time domain reflectometer has an internal disk drive for saving data.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Display?
 
     The optical time domain reflectometer has a built-in display.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Keyboard?
 
     The optical time domain reflectometer has a built in keyboard.
 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
OTDR Environment




   Operating Temperature:
 
     This is the full required range of ambient operating temperature.
 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Operating Humidity:
 
     This is the full required range of ambient operating humidity.
 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
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