Novatel OEM7 SPAN Installation And Operation User Manual

Also see for OEM7 SPAN: Integration guide User manual Installation and operation user guide Installation and operation manual

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Novatel OEM7 SPAN Installation And Operation User Manual Manual pdf 237 page image

APPENDIX A IMU Technical SpecificationsOEM7 SPAN Installation and Operation User Manual v14 237A.16.4 OEM-IMU-STIM300 Direct ConnectionThe following table shows the connections required when connecting the OEM-STIM300 to an OEM7 receiverusing a RS-422 link.STIM300 RS-422 Line Driver ReceiverPin Pin Name Output Input Pin Name Description1 STIM TXD- RS422 B- – – Part of RS-422 transmit pair from STIM3002 STIM RxD- RS422 A- – – Part of RS-422 receive pair from STIM3003 NC – – – Do not connect4 STIM TOV – –EVENT_IN2OEM719: 7OEM729: 7OEM7600: 29OEM7700: 29OEM7720: 29Interface Circuit RequiredThe STIM TOV output uses 5Vlogic, but the OEM7 EVENT_IN lines are not 5V tolerant. Acircuit to convert from 5V logicto 3.3V levels is required.5 NC – – – Do not connect6 NC – – – Do not connect7 NC – – – Do not connect8 5V Pwr – – – 5 VDC power supply9 STIM TxD+ RS422 B+ – – Part of RS-422 transmit pair from STIM30010 STIM RxD+ RS422 A+ – – Part of RS-422 receive pair from STIM30011 NC – – – Do not connect12 GND – – – Any receiver ground pin13 GND – – – Any receiver ground pin14 NC – – – Do not connect15 GND – – – Any receiver ground pin– – – LVCMOS A IN COMx_TXD Any receiver COM port transmit and receivepair– – – LVCMOS B IN COMx_RXD– – – GND Any receiver ground pinTable 129: OEM7 Receiver Card to STIM300 Pin Connections