A CDE Definition
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.

Before/After Your Search Term
Before | After |
---|---|
risk | RJ-21X |
risk analysis | RJ-25 |
risk assessment | RJ-26X |
risk management | RJ-27X |
risk mitigation | RJ-31X |
risk tolerance | RJ-45 |
Rivest-Shamir-Adleman | RJ-48 |
RJ | RJ11 |
RJ-11 | RJ14 |
RJ-14 | RJ25 |
Terms By Topic
Click any of the following categories for a list of fundamental terms.