Configuração do interface serial
SerialConfigEntry ::= SEQUENCE {
serialTimeout Integer32 (1..65535),
serialModemInitString ControlString (SIZE (0..255)),
serialModemHangUpString ControlString (SIZE (0..255)),
serialModemConnectResp DisplayString (SIZE (0..255)),
serialModemNoConnectResp DisplayString (SIZE (0..255)),
serialDialoutTimeout Integer32 (1..65535),