Parts and FunctionsFP2 Serial Data Unit2 − 32.1 Parts and Functions2.1 Parts and Functions2.1.1 Name of PartsFront Back1 Operation status display LEDsThese display the communication and error statuses.2 COM.1 port (RS232C), COM.2 port (RS232C)This connector is used to connect RS232C devices such as a personal computer orbar code reader using a shielding wire.3 Transmission format setting switchThis switch is used to specify the transmission speed and the data lengthparameters for the COM.1 port and COM.2 port. The values set using this switch areautomatically reflected in the settings when the power supply is turned on. For otherinformation on transmission format settings, refer to section 3.2.4 Backplane connectorThis connector is used to connect the serial data unit to the slot on the backplane.NoteThe settings of the communication format setting switchesbecome valid at the point when the power is turned on.
