VL-EPMs-U1 Reference Manual
iv
Contents
Introduction ................................................................................................................... 1
Features ............................................................................................................................... 1
Technical Specifications ..................................................................................................... 2
Block Diagram .................................................................................................................... 3
RoHS-Compliance .............................................................................................................. 4
About RoHS ........................................................................................................... 4
Warnings ............................................................................................................................. 4
Electrostatic Discharge .......................................................................................... 4
Technical Support ............................................................................................................... 5
Repair Service ........................................................................................................ 5
Physical Description ..................................................................................................... 6
Dimensions and Mounting .................................................................................................. 6
Hardware Assembly ............................................................................................... 8
Stacking Restrictions ............................................................................................. 9
External Connectors ......................................................................................................... 10
VL-EPMs-U1 Connectors.................................................................................... 10
VL-EPMs-U1 Connector Functions and Interface Cables .................................. 11
Jumper Blocks .................................................................................................................. 12
Jumpers As-shipped Configuration ..................................................................... 12
Jumper Summary ................................................................................................. 13
Operation ..................................................................................................................... 14
Serial Ports ........................................................................................................................ 14
Serial Port Connectors ......................................................................................... 15
GPS and Antenna .............................................................................................................. 18
Antenna Connector (J5) ....................................................................................... 18
Battery Back-up ................................................................................................... 18
Coordinate Systems ............................................................................................. 20
Performance Characteristics ................................................................................ 21
Start-up ................................................................................................................ 22
SUMIT-A Top Connector (J6) ......................................................................................... 23
SUMIT-B Top Connector (J7) .......................................................................................... 24
PC/104 (ISA) Connector (J10) ......................................................................................... 25
SUMIT-B Bottom Connector (J11) .................................................................................. 25
SUMIT-A Bottom Connector (J12) .................................................................................. 26
Appendix A
– References............................................................................................ 27