140 OEM4 Family Installation and Operation User Manual Rev 12Appendix A Technical SpecificationsA.6.1 Port Pin-OutsFigure 53 is included to provide the pin numbering for each of the ports, which are described in thetables that follow.Figure 53: ProPak-LB Port Pin-OutsTable 27: ProPak-LB PWR Port Pin-Out DescriptionsTable 28: ProPak-LB COM1 Port Pin-Out DescriptionsFor strobe signal descriptions, please see Section 3.3.1, Strobes on Page 36.Connector Pin No. Signal Name Signal Description1 VIN+ Positive power terminal2 VIN- Negative power terminalConnector Pin No. Signal Name Signal Description1 1PPS One pulse per second output2 Event1 Mark 1 input3 POUT Power outputaa. Both COM1 and COM2 have power output pins that can be used to pass power toperipherals. The voltage on each will be approximately 1 V lower than VIN. Themaximum continuous current is 500 mA.4 RXD1 RS232 receive to COM1 on the receiver5 TXD1 RS232 transmit from COM1 on the receiver6 GND Signal/power ground1 2 34 5677-15 VDCXYZ1212 34567 812 3456ALL 5 CONNECTORSARE KEYED AT THETOP LEFT