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Operating Instructions Teledyne API - Model T200H/T200M Operation Manual
120
Figure 4-8: Jumper and Cables for Multidrop Mode
Note: If you are adding an instrument to the end of a previously configured chain,
remove the shunt between Pins 21 22 of the Multidrop PCA in the instrument that
was previously the last instrument in the chain.
4. Close the instrument.
5. Referring to Figure 4-9, use straight-through DB9 male-DB9 female cables to
interconn
ect 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.
6. On the rear panel of each analyzer, adjust the DCE DTE switch so that the green
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 that are internally wired specifically
for RS232 communication).
07270B DCN6512