Teledyne t320 Carbon Monoxide Alarm User Manual


 
Teledyne API – Model T300/T300M CO Analyzer Getting Started
55
USB CONNECTION
For direct communication between the analyzer and a PC, connect a USB cable between
the analyzer and desktop or laptop USB ports. The baud rate for the analyzer and the
computer must match; you may elect to change one or the other: to view and/or change
the analyzer’s baud rate, see Section 6.2.2.
Note If this option is installe
d, the COM2 port cannot be used for anything
other than Multidrop communication.
For configuration, see 6.6.
RS-232
CONNECTION
For RS-232 communications with data terminal equipment (DTE) or with data
communication equipment (DCE) connect either a DB9-female-to-DB9-female cable
(Teledyne API part number WR000077) or a DB9-female-to-DB25-male cable (Option
60A, Section 1.4), as applicable, from the analyzer’s rear panel RS-232 port to the
device. Adjust the DCE-DTE switch (Figure 3-4) t
o select DTE or DCE as appropriate.
Configuration: Sections 5.7 and 6.3.
IMPORTANT
IMPACT ON READINGS OR DATA
Cables that appear to be compatible because of matching connectors
may incorporate internal wiring that makes the link inoperable. Check
cables acquired from sources other than Teledyne API for pin
assignments (Figure 3-14) before using.
06864B DCN6314