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Getting Started Teledyne API – Model T400 Photometric Ozone Analyzer
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3.3.1.8. Connecting the Communications Interfaces
The T-Series analyzers are equipped with connectors for remote communications
interfaces: Ethernet, USB, RS-232, optional RS-232 Multidrop, and optional RS-485.
In addition to using the appropriate cables, each type of communication method must be
configured using the SETUP>COMM menu, Section 5.7. Although Ethernet is DHCP-
enabled by default, it can also be configured
manually to set up a static IP address,
which is the recommended setting when operating the instrument via Ethernet.
ETHERNET CONNECTION
For network or Internet communication with the analyzer, connect an Ethernet cable
from the analyzer’s rear panel Ethernet interface connector to an Ethernet port. Please
refer to Section 6.5 for a description of the default configuration and setup instructions.
Configuration:
manual configuration: Section 6.5.1.
automatic configuration (default): Section 6.5.2.
USB CON
NECTION
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.
Configuration: Section 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 1.3), as applicable, from the analyzer’s rear panel RS-232
port to the
device. Adjust the DCE-DTE switch (Section 6.2) to 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 3-12) before using.
06870C DCN6332