Galaxy 3 Series Installation Manual
4-2
Addressing
The valid addresses of the keypad on each of the Galaxy panels are shown on the following Table:
Table 4-2. Valid Keypad/KeyProx Addresses
It is possible to add additional keypads at any unused comms module addresses (B, C, D and E) as detailed
in the following NOTE. These must be standard keypads. An engineer keypad can also be used at address F.
NOTE: On Line 1, keypad addresses B, C, D and E are not available if the Ethernet,
ISDN, RS232 or Telecom modules respectively are fitted.
Keypad/KeyProx Installation Procedure
1. To attach the keypad to the wall, the back plate must first be removed from the front plate. To do this,
insert a suitable tool into both openings at the bottom of the keypad and turn the tool gently.
CAUTION: When the keypad is separated make sure that the anti-static precautions are taken
with the keypad pcb to avoid damage from esd (electro static discharge).
Connections to the terminals are:
2. Use the backplate as a template, then mark the locations for the three attachment screws in the
required position.
3. If it is a new installation, use the keyhole slot at the top of the backplate and the two elongated
holes at the bottom. If replacing an existing Mk3 keypad with a Mk7 keypad, use the keyhole
slot at the top of the backplate and the two knockout holes at the bottom. This means that you
can use the existing holes in the wall, whist keeping the backplate in the same position.
Keypad Installation
Wiring the Keypad/KeyProx
A 16-way rotary address switch is used to address Galaxy LCD keypads. The address switch assigns a
hexadecimal address value to the keypad.
NOTE: Any change to the keypad address must be made when the power is disconnected from the
keypad.
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A lenapotenilA
B lenapotenilB
+ tupni.c.dV21
– V0
Table 4-3. Keypad/keyProx Terminal Connections
Control Panel Addresses Line Valid Keypad Valid Keyprox
Galaxy 3-48 1 0 - 2, B, C, D, E, F 0, 1, 2
Galaxy 3-144 1
2
0 - 2, B, C, D, E, F
0 - 6, F
0, 1, 2
0, 1, 2, 3
Galaxy 3-520
1
2, 3, 4
0 - 2, B, C, D, E, F
0 - 6, F
0, 1, 2
0, 1, 2, 3, 4, 5, 6
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