21
Hardware Diagram Descriptions
20
Hardware Diagram Descriptions
Hardware Diagram Descriptions
Refer to the previous section,
“Hardware
Diagram“,
for the location of each component
described in this section.
1) 12V DC >250mA (+12V and GND)
connect
to a 12V supply capable of supplying at
least 250mA.
2)
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Each zone
requires a 3K3 End Of Line resistor to be
‘sealed’. All zones operate as 24hour alarm
inputs & are enabled by default. Refer to
Option 30 to disable.
3) Zone / Power / Battery / Tamper Fault (R2
NO / R COM)
Relay 2 is programmed as an
alarm output. This will activate when an
alarm condition is active on the NTD (Zone,
Power Fault, Tamper active)
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4) Comms Fault (R1 NO / R COM)
Relay 1
is programmed as a communications
fault relay. If there is no communication
path available for longer than the pre
programmed time this will remain active until
communications are restored.
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5) Tamper (TAMPER)
Optional.
Connect to
the alarm panel tamper zone or similar. This
circuit requires a normally closed tamper (no
EOLR required). If not used, simply leave the
shunt on the connector.
6) Ethernet (ETH)
Connect the Multicom NTD’s
Ethernet socket to any spare Ethernet port
on the site’s network that has access to the
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may require port 5000 to 5010 (TCP & UDP)
be opened. By default, you will /c-
