Cisco 1GHz Surge-Gap Taps, Standard & Full Profile Guía De Instalación
Description of the Taps and Passives
Description of the Taps and Passives
Taps
Taps are designed to provide signal from the feeder line to the drop. They are
available in 2-, 4-, or 8-port configurations and in a wide range of tap values. For
through-feeder applications, the taps have both input and output ports for feeder
cable connections. For the end of a feeder line, the lowest value taps in a given port
configuration are provided with no through path. The signal is terminated within
the faceplate, eliminating the need for an external terminator. The self-terminating
tap values are the 4 dB 2-port, 8 dB 4-port, and 11 dB 8-port. When higher tap values
are used at the end of the feeder line, a 75 Ω external line terminator is required to
properly terminate the feeder line.
All taps have interchangeable faceplates for ease of changing tap values. The 2- and
All taps have interchangeable faceplates for ease of changing tap values. The 2- and
4-port taps have identical housing dimensions, thus port count can be increased
faceplate change-out without disconnecting the feeder cable.
The seizure screw mechanism is specially designed to swivel between both strand
The seizure screw mechanism is specially designed to swivel between both strand
and pedestal entry ports. This allows splicing in a strand or pedestal configuration
without having to remove the seizure screw or faceplate.
Passives
Passives are designed to either provide the splitting of trunk and feeder lines or the
coupling of AC voltage onto the feeder line from the AC power supply. Passives are
available in three main types: splitters, directional couplers, and power inserters. A
common housing is used by all passives enabling simple changes of configuration
via interchangeable faceplates.
Splitters are used for splitting the trunk or feeder lines and are available with two
Splitters are used for splitting the trunk or feeder lines and are available with two
outputs (2-way) or three outputs (3-way balanced and 3-way unbalanced splitters).
Directional couplers are also used for splitting trunk or feeder lines where low
insertion loss is desired on one output and a higher insertion loss on the other
output. Directional couplers are available in a variety of values. The dB value of the
directional coupler designates the insertion loss from input to tap port. Power
inserters are used to couple AC voltage onto the trunk line from the AC power
supply.
Taps Diagram
The following diagram shows the 2-, 4-, and 8-port taps.
OL-31976-01
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