Feig Electronic ID ISC.MRMU102-A, Руководство по установке

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12 Connections
The module version of the reader is equipped with an asynchronous RS232 Interface (X2) and a
USB Interface (X3). The Table 2: Connectors shows which connector can be used for the different
interface cable.
Connector Description
ANT 1-3 Antenna terminal (Impedance 50Ohm)
X2 Power Supply and RS232 Interface
X3 USB Interface
Table 2: Connectors
12.1 Antenna connection ANT 1 – ANT3
Three SMA sockets are provided on the circuit board for connecting of the external antennas.
The maximum tightening torque for the SMA socket is 0.45 Nm.
Caution:
•
Higher tightening torque will damage the connector.
Terminal Description
ANT 1-3 Connecting the external antenna
(input impedance 50
Ω
)
Table 3: Connecting the external antenna
12.2 Internal Antenna ANT4
Additionally the reader is equipped with an internal antenna (ANT4). The internal antenna supports
far field transponders as well as near field transponders. The maximum possible read range in
combination with a far field transponder is 40 cm. In combination with a near field transponder the
maximum read range will not increase 5 cm.
Figure 2: Position of the internal antenna