Johnson Controls Tyco Kantech KT-MOD-IO16 Installation Manual page 16

The following table provides illustrations of the wiring for each contact input
configuration.
Figure 2
NC Dry contact
Figure 4
NC Dry contact with EOL resistor
Figure 6
NC Dry contacts with double EOL resistors
16
Table 4: Contact input wiring
KT-MOD-IO16 RS-485 Input/Output Module Installation Guide
Figure 3
NO Dry contact
Figure 5
NO Dry contact with EOL resistor