C
HAPTER
1
I
NTRODUCTION
ALR-9890 – RR H
ARDWARE
S
ETUP
G
UIDE
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OC
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ONTROL
#8102
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-000-000 R
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Specifications
Specifications for key components of the RFID Reader system are provided in
the tables below:
RFID Reader
Name
Alien Railroad Reader
Model Number
ALR 9890 - RR
Operating Frequency
910.75 MHz – 920.75 MHz
Channels
21 Fixed Frequency Channels (User selected based on site license)
Channel Spacing
500 KHz
RF Transmitter
33 dBm
Modulation Method
Vector Modulation
RF Receiver
2 Channels
Power Consumption
45 Watts (120 VAC at 600 mA)
Communications Interface
RS-232 (DB-9 F), TCPI/IP (RJ-45)
Reader RF Interface
4 reverse polarity TNC connector antenna ports (note 1)
Antenna Interface
(See Antenna Note below)
A circulator assembly interfaces to two reader antenna ports
(RP-TNC plug) and one external antenna port (Type N jack)
Inputs/Outputs
4 optically isolated inputs, serial com port, LAN, power
Dimensions
(L) 9.0” (22.9 cm) x (W) 11” (28 cm) x (D) 2.22” (5.6 cm)
Weight
Approximately 1.8 kg (4 lb)
Operating Temperature
0°C to +50°C (+32 °F to +122°F)
LED Indicators
Power, Link, Active, Ant0-3, CPU, Read, Sniff, Fault (red)
Compliance Certification
FCC Part 90 (Site license required) note 1
UL 60950-1
Note 1: This product has been designed to be compliant with FCC part
90 (LMS) requirements when using antennas with not more than 10 dBi
of gain.
Professional installers: Ensure your location does not use
more than 10 dBi gain antennas.
