
Key-switches
107
Building Technologies
Fire Safety & Security Products
19 Key-switches
19.1 Key-switch wiring
The Panel can also be equipped with maximum 2 Keys-witches to be used to
operate the System by a Key (some countries requires such Key-switches).
The two Key-Switch inputs are available on the panel tamper. Normally the panel
tamper is a single 2k2 EOL resistor, however if the tamper input is wired as per the
type 14 option, the 4k7 resistor becomes Key-switch number 1 and the 8k2 resistor
becomes Key-switch number 2 (the 2k2 still acts as the tamper resistor). If the
tamper input is shorted out or cut the panel will still go into system tamper alarm
but provided the 2k2 resistor is maintained then shorting or opening the 4k7 or 8k2
resistors will operate the key-switch functions.
Fig. 19 Type 14 Zone doubling with tamper
19.2 Key-switch area assignment
Keyswitch Areas
P111E 1-2E
(1 = Key-switch # 1; 2 = Key-switch # 2)
Option Display text Description
1
Area A
Area A: this option assigns the key-switch to Area A. If
a key-switch is assigned to only Area A it can only arm
or disarm that area.
2
Area B
Area B: this option assigns the key-switch to Area B. If
a key-switch is assigned to only Area B it can only arm
or disarm that area.
There are more options to choose but the System supports only 2 Areas (1-2)
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