MFA0X.doc
16-04-08
Page 4 of 6
3.2. Door Station Connections
1.
+15vdc
Power from power supply
2.
Gnd
Ground from power supply
3.
DS1
Door strike. Normally Open contact
4.
DS2
Door
strike
5.
Gnd
To handset. Common to all handsets
6.
Tx
Transmit to handset. Common to all handsets
7.
Rx
Receive to handset. Common to all handsets
3.3. Power
Supply
Connections
1.
+15vdc
Connect to door stations
2.
Gnd
Connect to door stations
3.
Neutral
Mains (220vac)
4.
Live
Mains (220vac)
4. Audio
level
adjustments
1.
TX adjust level from the door station to the handsets.
2.
RX adjusts level from the handsets to the door station.
3.
These adjustments are best set when the complex system is installed.
5. Technical
Information
5.1. Cable
requirements
Three common wires to each handset plus one call wire per handset. Maximum accumulated
length 500 metres using 0.8mm fire alarm cable.
5.2. Door
Station
MFA02 size : 136mm high x 101mm wide x 80/60mm deep
MFA08size : 161mm high x 156mm wide x 80/55mm deep
MFA20 size
: 292mm high x 156mm wide x 80/55mm deep
Mounting :
Surface.
Finish
:
Weather proof box constructed of mild steel and powder coated. The
front is constructed of anodised aluminium.
Power: 15 vdc 70 ma
5.3. Handset
Size
:
215 mm x 96 mm wide x 65 mm high.
Power
:
15 vdc 10 ma (idle).
15
ma
(ringing)
6.
First Line Service
