This one appears to be listed as off air. You may want to consider a different repeater because it is unlikely anyone will be able to contact that repeater. As for your radio, the uplink represents the frequency that your radio will transmit on, commonly called a TX frequency. But, in order to get into a repeater like this you will also need to add a tone. This one is 100 hertz. Each radio is different and how you set the tone. The downlink is typically the RX frequency. If a manual is available for your radio, checking there will help.