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

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 ACS, LCD-80, 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.
22
Part # 71245.
EIA-485 (+)
EIA-485 (-)
Figure 4-3: The EIA-485 Interface
S200 15032 Rev C 02/22/96 P/N 15032:C
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.