OEM729 Data Communication Specifications

Data Communications Interface

COM1

Electrical format

RS-232/RS-422

Data rates1Data rates higher than 115200 bit/s are not supported by standard PC hardware. Special PC hardware may be required for higher rates, including 230400 bit/s and 460800 bit/s.

2400, 4800, 9600 (default), 19200, 38400, 57600, 115200, 230400 or 460800 bit/s.

Signals supported

COM1_Tx, COM1_Rx, COM1_RTS, COM1_CTS

Electrostatic discharge protection

Yes

COM2

Electrical format

LVCMOS

Data rates1

2400, 4800, 9600 (default), 19200, 38400, 57600, 115200, 230400 or 460800 bit/s.

Signals supported

COM2_Tx, COM2_Rx, COM2_RTS, COM2_CTS

Electrostatic discharge protection

No

COM3

Electrical format

LVCMOS 2Upon power-up, COM3 is enabled by default. COM3 is multiplexed with Event 2, 3To enable EVENT2, issue the following commands:INTERFACEMODE COM3 NONE NONEMARKCONTROL MARK2 ENABLE

Data rates1

2400, 4800, 9600 (default), 19200, 38400, 57600, 115200, 230400 or 460800 bit/s.

Signals supported

COM3_Tx, COM3_Rx

Electrostatic discharge protection

No

CAN Bus

Electrical Format

LVCMOS

Data rates

1 Mbps maximum.
CAN Bus throughput is determined by slowest device on the bus

Signals supported

CAN1 and CAN2

USB

Electrical format

Conforms to USB 2.0

Data rates

Full-speed (12 Mb/s)

Signals supported

USB D (+), USB D (-)

ETHERNET

Physical layer

10BASE-T/100BASE-TX

 

OM-20000167 v12

July 2019

Email comments to NovAtel_TPUBS@NovAtel.com

7.07.01 / OM7MR0701RN0000
PP7 07.07.00 / EP7PR0700RN0000
7.06.02 / OA7CR0602RN0000