Requirements for Processor-Based Systems

§ 234.275 - Processor-based systems.

Maintenance Standards

§ 234.201 - Location of plans.

§ 234.203 - Control circuits.

§ 234.205 - Operating characteristics of warning system apparatus.

§ 234.207 - Adjustment, repair, or replacement of component.

§ 234.209 - Interference with normal functioning of system.

§ 234.211 - Security of warning system apparatus.

§ 234.213 - Grounds.

§ 234.215 - Standby power system.

§ 234.217 - Flashing light units.

§ 234.219 - Gate arm lights and light cable.

§ 234.221 - Lamp voltage.

§ 234.223 - Gate arm.

§ 234.225 - Activation of warning system.

§ 234.227 - Train detection apparatus.

§ 234.229 - Shunting sensitivity.

§ 234.231 - Fouling wires.

§ 234.233 - Rail joints.

§ 234.235 - Insulated rail joints.

§ 234.237 - Reverse switch cut-out circuit.

§ 234.239 - Tagging of wires and interference of wires or tags with signal apparatus.

§ 234.241 - Protection of insulated wire; splice in underground wire.

§ 234.243 - Wire on pole line and aerial cable.

§ 234.245 - Signs.

Inspections and Tests

§ 234.247 - Purpose of inspections and tests; removal from service of relay or device failing to meet test requirements.

§ 234.249 - Ground tests.

§ 234.251 - Standby power.

§ 234.253 - Flashing light units and lamp voltage.

§ 234.255 - Gate arm and gate mechanism.

§ 234.257 - Warning system operation.

§ 234.259 - Warning time.

§ 234.261 - Highway traffic signal pre-emption.

§ 234.263 - Relays.

§ 234.265 - Timing relays and timing devices.

§ 234.267 - Insulation resistance tests, wires in trunking and cables.

§ 234.269 - Cut-out circuits.

§ 234.271 - Insulated rail joints, bond wires, and track connections.

§ 234.273 - Results of inspections and tests.