| DATA | High speed USB 2.0 link | Transfers data to and from PC |
| GPS MONITOR | GPS Monitor - NMEA | Outputs NMEA from internal GPS engine during Replay and Record |
| PWR | 12 Volt DC | Power Supply Input to LabSat 2 |
| AUX | 5 Pin LEMO | Digital In / Out – For connection of Interface Modules such as RLLSIM01 |
| RF OUT | GNSS Simulation RF Output | GNSS signal output during replay mode |
| RF IN | GNSS Active Antenna Input | Used when recording GNSS signals |
| CLOCK IN | 10 MHz Reference | External reference clock input |
| DIGITAL I/O | 26 Way D-Type Connector | 1 – PPS Output ( refer toConnectorPin Datasection for further pin out details) |
