Can 120 ohm bus terminating resistor be switched off?

Question:

When using system module 2173IB with the associated system cable a bus terminating resistor is fitted as standard. How can the resistor be removed if necessary?

Answer:

The bus terminating resistor (120 ohm) is not inside system bus module 2173 IB but is integrated into the Sub-D connector on the system cable. It is possible to use a different cable or modify the Sub-D connector (remove the resistor).

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