
Planning Instruction 66571760GB0 Fire Detection 13
4.4 Connectors on the MC2 board
Terminal name
Connector
symbol
Purpose Description
24 V - Power supply 1 in (-)
PI 1
24 V + Power supply 1 in (+)
For external power supply only. Not to be used if the panel
is equipped with an internal power supply unit.
24 V - Power supply 2 in (-)
PI 2
24 V + Power supply 2 in (+)
For external power supply only. Not to be used if the panel
is equipped with an internal power supply unit.
24 V - Power supply out (-)
PO
24 V + Power supply out (+)
Power supply out for auxiliary equipment
Alarm device line (-)
MO
Alarm device line (+)
General fire alarm device line as default. Other functions
can be selected with the configuration tool.
Relay output 1 NC
Relay output 1 C
CO 1
Relay output 1 NO
Fire alarm router output as default
Relay output 2 NO
Relay output 2 C
CO 2
Relay output 2 NC
Fault warning router output as default. The relay is
energised in normal condition (as drawn) and releases in
fault condition.
Relay output 3 NC
Relay output 3 C
CO 3
Relay output 3 NO
Fire alarm output as default
+
IN 1
-
Clean contact input 1 *) Fault in fire alarm router as default function
+
IN 2
-
Clean contact input 2 *) Fault in fault warning router as default function
CTS Clear To Send
RTS Request To Send
GND Ground
RxD Received data
RS232
TxD Transmit data
Serial communication with printer or configuration tool
T/R + Transmit/Received Data +
T/R - Transmit/Received Data -
SYSTEM 1
Gnd Ground
Serial communication with other FX panels
T/R + Transmit/Received Data +
T/R - Transmit/Received Data -
SYSTEM 2
Gnd Ground
Serial communication with other FX panels
T/R + Transmit/Received Data +
T/R - Transmit/Received Data -
RS485/RS232
Gnd Ground
Serial communication with INFO/FMP/MCO/ABC or other
alarm management systems
Ethernet RJ45 INFO communication Future option
USB
Micro
USB
Maintenance tool Configuration and service tool
*) Can be configured to be a clean or monitored input. Default is clean contact.
Schneider Electric Pelco Finland Oy
Kalkkipellontie 6, 02650 Espoo, Finland Telephone: +358 10 446 511 Fax: +358 10 446 5103 www.pelco.com/nordic
Document Number 66571760GB0 49 2011
© 2009 Schneider Electric. All rights reserved.
RS485
Gnd - +
RS232
Tx Rx Gnd
SYS 1
Gnd - +
SYS 2
Gnd - +
RS232
Tx Rx Gnd Cs Rs
CO3
NO C NC
CO2
NC C NO
CO1
NO C NC
+- ADL +- PO
- +IN2 - +IN1 + -PI2 + -PI1
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