2-18
Below is an illustration of a LED/switch bay from the user’s perspective.
Figure 2-11. LED/Switch Modules
The LED/switch controller card is a 4100 slave that mounts behind two LED/switch
modules. Each LED/switch controller handles up to 64 switches and 64 LEDs on the
modules and communicates their status to the 4100U CPU. This is sufficient for 32 zones.
GND1
LED1
P2
12
SW1
1
2
3
4
5
6
7
8
P1
COMM
LOSS
P3
12
Figure 2-12. LED/Switch Controller
The standard configuration of 4100U-S1 uses 4100-1282 cards for zone displays, with
programming so that pressing any switch toggles the Isolate state of the corresponding
zone.
Continued on next page
Step 6. Installing LED/Switch Modules into Expansion Bays, Continued
The LED/Switch
User Interface
LED/Switch
Controller Card
LED/SWITCH DISPLAY
CONNECTOR
(P4; reverse side)
POWER/COMMS
CONNECTORS
(P2)
(P3)
COMM LOSS LED
(LED1)
ADDRESS DIP
SWITCH (SW1)
REMOTE ANNUNCIATOR
JUMPER (P1)