Feig Electronic OBID i-scan ID ISC.M02, Руководство по установке

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OBID i-scan
®
HF Installation ID ISC.M02
FEIG ELECTRONIC GmbH Page 16 of 27 M20301-4e-ID-B.doc
3.4.2 Internal/External antenna: Terminal X2, Jumpers J2 and J3
Terminal X2 is used to connect an external 50
Ω
antenna to the ID ISC.M02. This is a standard pin
connector with 2.54 mm spacing. Table 8 shows the pin assignments for Terminal X2.
Pin no. Function Description
1 Signal
50
Ω
signal output
2 GND GND connection
Table 8
: Pin assignments of Terminal X2
Jumpers J2 and J3 connect the internal antenna to the driver circuit of the reader. To connect an
external antenna, both jumpers J2 and J3 must therefore be removed.
Jumpers J2 and J3 Description
in Internal antenna connected
out External antenna connected
Table 9
: Configuration of Jumper J2 und J3
Fig. 7
Connecting and configuring internal/external antenna
NOTE:
•
If both jumpers J2 and J3 are not removed after connecting an external antenna, the
reader’s transmitter will be loaded by both antennas. This could result in permanent
damage to the transmitter!
J2
J3
X2
X3
X4
J2
X2
J3
}
1
2
X1
J1
V2 V1
C65
C73
In: int. antenna
Out: ext. antenna
Connector
ext. antenna
In: int. antenna
Out: ext. antenna
Signal
GND