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Appendix
B
Communications PortsCharacteristics
This appendix describes the Ethernet Interface serial port used to connect to the GSM and the AUI port used to connect to the network transceiver.
What this Appendix Contains
Information pertaining to the Serial Port for Local GSM communications
HSerial Port Pinouts
HSerial Cable Diagrams
Information pertaining to the Attachment Unit Interface (AUI) Port for Ethernet communications
HAUI Port Pinouts
HAUI Cable Diagram
HTransceiver Unit Description
Serial Port for Local GSM Communications
This section presents the information you need to construct a cable for serial communications between the Ethernet Interface and the Local GSM or other serial terminal. Information in this section includes serial port settings, pinouts, and cable diagrams.
Serial Port Settings
The serial port (COM1) must be set to 9600 bps, 8 bits, no parity, and 1 stop bit.
Serial Port Pinouts
The serial port is located on the front edge of the Ethernet Interface. The serial port is a