49
The ALCN-792D Daughter Board provides an additional two addressable loops when
connected to the ALCN-4792MISO Quad Loop Adder Board. This daughter board is mounted
over the ALCN-4792MISO. Wire the two addressable loops on the ALCN-792D Daughter
Board in the same manner the ALCN-4792MISO addressable loops are wired.
Figure 27 ALCN-792D Daughter Board
Notes for ALCN-960D and ALCN-792D:
• All circuits are power limited and must use type FPL, FPLR, or FPLP power limited
cable.
• Loop wiring: maximum loop resistance is 40 ohms total. These lines power-limited and
fully supervised.
LOOP (3)
LOOP (4)
P1
To Main Board
Connector P6
Four mounting holes (mount to
ALCN-4792MISO board with screws
and spacers provided)
Connect ribbon cable
from this board to the
ALCN-4792MISO board P6
+ - + -
SS + - + -
B
A
A
B
COM (-)
JW2 - Normally set to
1-2, can be set to 2-3
to prevent noise from
CLIP System Sensor
sounder bases on
Loop 3
JW1 - Normally set to
1-2, can be set to 2-3
to prevent noise from
CLIP System Sensor
sounder bases on
Loop 4
SHIELD
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