Other Sources:
BNC Connectors Attaching a BNC Connector to thinnet cable. Courtesy U. S. Navy SEANET - Internet to the Sea Web site.
RJ-45 Connectors Attaching an RJ-45 connector to UTP cable. Courtesy U. S. Navy SEANET - Internent to the Sea Web site.
Jensen Tools Mail order supplier of tools
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STEP 4: CRIMP BARREL
 We're almost done. Now slide the crimp barrel (placed on the cable at the beginning of the last step) up as close to the connector as you can get it . . . It will take some more profanity and grunting to get as much of it as possible over the bulge in the cable caused by the last step. When you finish it should look something like this.
 If you have a general-purpose wire stripper/crimper like the one shown, it has an "ignition terminals" opening that is a little bigger than the cable and a little smaller than the crimp barrel. This is a great tool for putting some leverage behind the crimp barrel when easing it over the bulge in the cable.
 Now you can crimp the barrel using the other, larger opening in the BNC crimp tool die. This will tighten and deform the crimp barrel down over the connector and cable for a secure connection.
 Crimping the barrel should force the bulge in the cable up over what remains of the exposed knurled portion of the connector to the connector's base. Here is the finished connection. Now you can install another connector on the other end, and then test the completed length of cable. It is good practice to test each length of cable as you go rather than install all the connectors and cabling, and then try to track down a bad connection.
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