Teledyne 465L Digital Serial Interfaces, 6.1. RS232 Connection, 6.2. RS485 Connection

Teledyne API Model 465L O3 Monitor Operation Manual

4.2.6.Digital Serial Interfaces

There is one external communications port available on the Model 465 that can be configured as RS232, RS485 (Half Duplex,) or Ethernet (10Mbit.) This section provides only a brief overview of the digital serial connections. See Section 8 for more detailed information on configuring and using the digital serial interfaces.

4.2.6.1. RS232 Connection

With the instrument configured for RS232, connection can be made to the DB-9 connector, labeled “RS232/485”, or to the three “COM” pins on the “General I/O” connector. See Section 8.2 for additional details.

When using RS232, a 9 pin serial cable can be used to connect the instrument to a standard PC (personal computer) serial port. TAPI can provide this cable, please see the spare parts list in Appendix A.

4.2.6.2. RS485 Connection

With the instrument configured for RS485, connection can be made to the DB-9 connector, labeled “RS232/485”, or to the three “COM” pins on the “General I/O” connector. See Section 8.2 for additional details.

4.2.6.3. Ethernet Connection

With the instrument configured for Ethernet, connection should be made to the RJ-45 port labeled “Ethernet.” Connection can be made using a standard Category 5 or better network patch cable. TAPI can provide an appropriate cable, please see the spare parts list in Appendix A. See Section 8.2 for additional details.

05509F DCN6409 33