![Psiber CableMaster 450 Скачать руководство пользователя страница 4](http://html1.mh-extra.com/html/psiber/cablemaster-450/cablemaster-450_user-manual_1622842004.webp)
4
5
Terms
Description and Uses
Video cable
Coax cable with a single pair (2 pin) wiring system
▪
The pins are paired in order of continuity
▪
Test this cable using the F-Connector on the main test unit
Data cable
Data cables with a 4 pair (8 pin) wiring system
▪
Pin pairs are not wired by continuity, but follow a cabling
standard
▪
Test this cable using the RJ45 adaptor on main test unit
Cabling
Standards
Standard wiring design of a cable. The pairing of wires
differs according to cable type.
▪
Many standards adopt a wire coloring system to help
ensure proper pin pairing
▪
Common data cable wiring standards are known as
T568A/B
Voice cable
Phone cable with a 3 pair (6 pin) wiring system
▪
The pins are paired by continuity, except in the case of a
reverse pinned voice cable
▪
Use the RJ11 adaptor on the main test unit to test a voice
cable
Pins
Individual wires within a cable
▪
Two pins paired together are known as pin pairs
F-Connector Jack for a coax cable
RJ Jack
Connector for a voice or data cable. RJ stands for Regis-
tered Jack.
▪
The connector can be located on the tester itself. When
mounted on a wall, the RJ Jack is known as a wall port.
▪
RJ11 is voice jack
▪
RJ45 is data jack
RJ Plug
▪
Cable end that is inserted into a wall port or the test unit
Length
Constant
Value
The amount of capacitance in picofarads (pF) per unit
distance.
Table 2.
Terms and Descriptions
Terms and Descriptions
Table 2 defines the terms used throughout the document and provides
information to assist you with proper operation and understanding of the
test unit.