Chapter 2 – Hardware Information 22Mobile NVR VPC-3350S2.6 Option Board Jumpers and ConnectorsThe VPC-3350S In-Vehicle configuration comes with two option boards, PER-T528Power Board, and PER-T529 I/O Board. If you have any questions about theconfiguration of your VPC-3350S, please contact your AAEON sales representative forassistance.2.6.1 PER-T528 Power Board Jumpers and Connectors2.6.2 PER-T528 List of JumpersLabel FunctionCN4 RESERVED2.6.2.1 Reserved (CN4)Pin Selection Function1-2 Reserved2-3 Normal (Default)