Crossover cable
RJ45 female and males.
RJ45 connectors are used in "ethernet cables". These cables connect network devices between computers and systems.
Rj 45 refers to the ends of the cable. The type of end it has. The cable itself is cat 5.
Two equipments of the same type - two computers, two routers, two switches - should be connected with a crossover cable.
crossover cable
crossover cable
Twisted pair cable (RJ45)
cat 5 Ethernet cable
100BaseTX implies Cat5 or better RJ45 cables, and between two routers you need a crossover cable.
Use a CAT-5, also known as an Ethernet cable.
"RJ45" generally refers to 4-pair UTP (generally CAT5e or CAT6) terminated with 8P8C connectors to the TIA/EIA-568 standard. Ethernet is by far the most common layer 2 technology to utilize this type of cable.
rj45 which is the large one but bt use rj11 whichis smaller