2N M2M Solution 2N SmartCom - User Manual 1.9.0 - Manual (Page 14)

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2N TELEKOMUNIKACE a.s., www.2n.cz
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Figure: 2N SmartCOM
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Connectors (Top View)
SMA connector for ZigBee antenna (optional)
SMA connector for Wireless M–Bus antenna (optional)
Input circuit terminal block:
RE1, RE2 – relay contacts
IN1, IN2 – input circuits (type is determined by jumper settings)
GND – ground to be used with input circuits IN1 and IN2
U +, U – – auxiliary contacts with supply voltage, to be used e.g. for connecting
in in
supply voltage to relays (directly connected to U +, U – contacts on 4–pin
in in
power supply connector)
Signalling LEDs (ZigBee, WMbus, GSM LED)
SIM holder
SMA connector for GSM antenna