/// <summary>
/// Writes the aplus tariff.
/// </summary>
/// <param name="portlist">The portlist.</param>
/// <param name="proxy">The proxy.</param>
/// <param name="clientGuid">The client GUID.</param>
/// <param name="tariffNo">The tariff no.</param>
private static void WriteAplusTariff(string portName, SmlComServiceClient proxy, Guid clientGuid, byte tariffNo)
{
Console.WriteLine("Setting +A tariff to no: " + tariffNo);
proxy.WriteCurrentAplusTariff(clientGuid, portList.FirstOrDefault(m => m.ComPortName == portName), tariffNo);
Console.WriteLine("Tariff was set.");
Console.WriteLine();
}