CNI CNI-800D, Руководство по установке

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2
n Modem Descriptions
1. Overview
CNI-800D enables digital data communication via DataTAC Network. This unit
supports Motorola’s RD-LAP 3.1& 3.2. And frequency band of 806-825 MHz for
in-bounding, 851-870 MHz for out-bounding are available.
This unit is two way wireless communication module that enables various Data
communications between Hosts and Terminals. Support for automatic Roaming
makes it possible to communicate while moving around.
By using Interface connector, this unit permits integration to various applications
without redesign and supports monitoring function.
2. Specifications and Features
2.1 Environmental properties
2.1.1. Operation Temperature : -20
°
C ~ +50
°
C
2.1.2. Storage Temperature : -35
°
C ~ +80
°
C
2.1.3. Humidity : working properly 8 hours after storing at 95% relative
humidity, non-condensing circumstance
2.2 Electric Properties
2.2.1. General Specs
a. Modulation : 4-level FSK
b. Communication Mode : Half Duplex
c. Transmission speed : 19,200bps
2.2.2 RF Interface
a. Transmit Frequency : 806-825 MHz
b. Receive Frequency : 851-870 MHz
c. Channel Spacing : 25KHz
2.2.3 Transmitter
a. RF output power : 1.0W
b. Frequency Stability : +- 1.0ppm
c. Modulation Stability : +- 5% (-20
°
C ~ +50
°
C, 806 ~ 825 MHz)
d. FM Deviation : 5.0 KHz +- 10%
e. Spurious : less than 60dB
f. Adjacent Channel leak : less than 60dB
2.2.4 Receiver
a. Sensitivity : -113 +- 3dBm (1% BER over all kind of data)
b. Channel Selectivity : more than 55dB