Dummy Loading Unused Circuits; The Eia Interface - Fire-Lite Sensiscan 200 Installation, Operation, And Programming Manual

Expandable multi-zone fire alarm control panel

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4.7K, 1/2-watt Resistor,

An unused notification circuit can be termi-

nated with one dummy-load resistor (illus-

trated above on Terminals 1-4) or with two

jumpers (illustrated above on Terminals 5-8).

Figure 4-2: Dummy-loading of Unused Circuits

EIA-485 Interface

The control panel communicates with the serial annunciator modules of the AFMX and LDM Series

through the EIA–485 interface on the CPU. The EIA terminal block is installed on the lower CPU

board. Maximum distance is 6000 feet. Maximum resistance is 100 ohms.

Part # 71245.

EIA-485 (+)

EIA-485 (-)

Figure 4-3: The EIA-485 Interface

Sensiscan 200 15032 Rev C1 11/1/96 P/N 15032:C1

4.7K, 1/2W Resistor

Part # 71245

If the Municipal Box Output is not to be

used, it must be terminated with a

dummy-load resistor.

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