If you need help with a restraining order, either to request one or to resond to one, it is a good idea to get the aid of a lawyer, though it's not required. A lawyer can make the court process much easier because both parties will need to be an active participant in the court room. Both the requester and responder will need to give statements in the public forum of the courtroom and explain to the judge what your situation concerning the situation is. The help of a lawyer can ease the frustration and pressures and make the procedure a little more bearable.
If you are needing a restraining order, there are many services available in your county, often for free. You can find these in help centers, shelters, or legal aid agencies. It is best to get help in this matter as your safety is at hand and you don't want to get caught in some legal loophole. The professional help will also be able to better guide you in the right path for child support issues and spousal/partner issues that may arise.
If you are the person who has been served with a restraining order, You can look for help at legal aid agencies as well or at your local bar association though there will often be some fees to pay. These people will also be able to help with child/spousal or partner support issues.