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7
Connect external components
Call station interface (redundant) PTO2009
7.7 Call station interface (redundant) PTO2009
Pin
Description
1
DC 24 V
2
DC 0 V
118 | 122
The 'Call station interface (redundant)' PTO2009-A1 provides a redundant 'PACE-
Net' and 24 V connection from the Cerberus PACE system to the call stations
PT2001-A1 and PT2002-A1.
The PTO2009-A1 has two DC 24 V inputs ('Power In A', 'CN2' and 'Power In B',
'CN3') which are routed to a DC 24 V output ('Power Out' and 'CN5'). In case of a
fault of one input, it switches automatically to the other one. A DC 24 V fault is
reported via the relay contacts ('Fault Relay CN6').
Mounting
The PTO2009-A1 can be mounted with its DIN rail mount directly in a PT2002-A1
or PT2003-A1 housing. For other call stations, use an external installation box and
mount the PTO2009-A1 close to the call stations.
Installation
The PTO2009-A1 provides two screw terminal connectors ('Ethernet In A', 'CN1',
'Ethernet In B', 'CN3') to connect Ethernet cables with single wires to interface
them to CAT5 Ethernet RJ45 connectors ('Ethernet Out A', 'J1' and 'Ethernet Out B',
'J2'). The CAT5 Ethernet outputs are connected to the call station CAT5 Ethernet
inputs.
Connect the fault relay contacts to a logic control input of the call station.
Fig. 64: PTO2009-A1 connector overview
24 V power supply in connectors - 'CN2' and 'CN4'
24 V power supply out connector - 'CN5'
Remark: when used in a 2x4 wire cable
CAT5 according to T568B
White/brown and brown
White/blue and blue
Table 94: PTO2009-A1 24 V power supply in/out connectors - 'CN2', 'CN4', 'CN5'
Fire alarm cables color code
according to VDE0815
Red and white
Blue and black
A6V11899867_en--_a
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