Figure 2-11. Jumper And Cables For Multidrop Mode - Teledyne T400 User Manual

Note
4. Close the instrument.
5. Referring to Figure 2-12 use straight-through DB9 male  DB9 female cables to
6. On the rear panel of each analyzer, adjust the DCE DTE switch so that the green
083730400A DCN8130

Figure 2-11. Jumper and Cables for Multidrop Mode

If you are adding an instrument to the end of a previously
configured chain, remove the shunt between Pins 21 ↔ 22
of JP2 on the Multidrop/LVDS PCA in the instrument that
was previously the last instrument in the chain.
interconnect the host RS232 port to the first analyzer's RS232 port; then from the
first analyzer's COM2 port to the second analyzer's RS232 port; from the second
analyzer's COM2 port to the third analyzer's RS232 port, etc., connecting in this
fashion up to eight analyzers, subject to the distance limitations of the RS-232
standard.
and the red LEDs (RX and TX) of the COM1 connector (labeled RS232) are both lit.
(Ensure you are using the correct RS-232 cables internally wired specifically for RS-
232 communication; see Error! Reference source not found., "Communication
Cables" and Section 2.3.1.7: Connecting the Communications Inerfaces, "RS-232
Connection").
Teledyne API – Model T400 O Analyzer
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