APPENDIX D OEM7720 Technical Specifications
OEM7 Installation and Operation User Manual v4
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D.4 OEM7720 Data Communication Specifications
COM1
Electrical format
LVCMOS
Data rates
1
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
No
COM2
Electrical format
LVCMOS
Data rates
1
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
Data rates
1
2400, 4800, 9600 (default), 19200, 38400, 57600, 115200, 230400 or
460800 bit/s.
Signals supported
COM3_Tx, COM3_Rx
Electrostatic discharge
protection
No
COM4
Electrical format
LVCMOS
Data rates
1
2400, 4800, 9600 (default), 19200, 38400, 57600, 115200, 230400 or
460800 bit/s.
Signals supported
COM4_Tx, COM4_Rx
Electrostatic discharge
protection
No
Table 43: Data Communications Interface
1
Data 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.