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RJ-21

(Registered Jack-21) A communications and networking interface that uses a cable of twisted wire pairs. One end of the cable has a 50-pin Telco connector, and the wires branch out to 25 RJ-11 plugs or 12 RJ-45 plugs at the other end. See 50-pin Telco connector, RJ-45 and RJ-11.



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Before/After Your Search Term
BeforeAfter
riskRJ-21X
risk analysisRJ-25
risk assessmentRJ-26X
risk managementRJ-27X
risk mitigationRJ-31X
risk toleranceRJ-45
Rivest-Shamir-AdlemanRJ-48
RJRJ11
RJ-11RJ14
RJ-14RJ25

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