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Cabling and Wiring the System
4-10
TI545/TI555 System Manual
Installing Remote I/O Cables (continued)
6.
If you are not using another terminal block, install a terminating
resistor across the terminal screws securing the cable wires with the
colored coded insulation jacket. See Figure 4-5.
NOTE:
The terminating resistor value depends on the type of cable being
used. See Table 4-1.
From CPU
Terminating
Resistor
Figure 4-5
Adding a Terminating Resistor
Table 4-1
Terminating Resistors
Cable Type
Resistor Value
Color Code
9860
120 Ohms
Brown-Red-Brown-Gold
9271
120 Ohms
Brown-Red-Brown-Gold
9182
150 Ohms
Brown-Green-Brown-Gold