To enter terminal you have to use valid TAR. Then (if your TAR was accepted) you go right to gates. There you use you Cargo Card and you will get a block number where you can pick up / drop off you container.
Then you go straight and on traffics lights you have to turn left. Then you will have blocks: First one is number 3, next number 2 and last one is number 1. You go there, go backwards to block and prepare truck/ container for pick up / drop off.
Then on left side of you block you see yellow pole and you have to meld yourself with Cargo Card. When green light appear - you can wait for arrival of crane.
When you done there you go out the same way to exit.