AMERITRON ARI-500 Manual de instrucciones - Página 5
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ARI-500 Automatic Band Switch for ALS-500
The ARI-500 is compatible with most Icom, Kenwood and Yaesu radios
for reading band data information and detecting transmitter keying.
Newer Kenwoods have a DB-9 connector for computer control. Serial data is
read from this port to get the band data.
Icom Transceivers use a "step voltage" to output band data. A voltage of 0-8
volts is output from the band data pin of the accessory jack.
Yaesu, older Kenwoods, and others outputs band data in a 4 line BCD format.
Many other transceivers use this standard.
If your transceiver is not one that is listed, check in your instruction manual to
see if it has a BCD output that is similar to that of Yaesu.
Interfacing ARI-500 to Radio for Keying and Band Data
The ARI-500 Radio Input connection is a RJ-45 jack that has specific
connections of each radio brand. The diagram below shows the pin-out
of the Radio Input jack. See the specific section below for more
information on interfacing to each particular radio brand.
1
Rear Panel View
2
12345678
3
4
5
6
7
8
NOTE: Multiple radios cannot be connected to the ARI-500 at the
same time. The ARI-500 is designed to operate with only
ONE radio.
Interfacing to Icom Radios
In order to retrieve band data from Icom radios, the ARI-500 must be
connected to the band data voltage output. This can be found on the ACC
Instruction Manual
Ground
Key In
Kenwood RX
Kenwood TX / Yaesu BCD D
Yaesu BCD C
Yaesu BCD B
Yaesu BCD A / Icom Power
Icom Band Data
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