AMERITRON ARI-500 Gebrauchsanweisung - Seite 3

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1. Interfacing to Icom Radios

ARI-500 Automatic Band Switch for ALS-500/600

Installation

The ARI-500 connects to the REMOTE A/B jacks on the front of the amplifier. Two RJ-45 cables are supplied to connect jack A

and B from the ARI-500 to the REMOTE A/B jacks on the ALS-500M or ALS-600.

Place the ARI in a suitable location.

Ensure the amplifier power switch is OFF and the amplifier's frequency select switch is in the REMOTE position.

Plug one of the patch cords into AMP A on the ARI-500. Route the other end to the amplifier and connect it to the REMOTE

A amplifier input.

Plug the other patch cord into AMP B on the ARI-500. Route the other end to the amplifier and connect it to the REMOTE B

amplifier input.

Operating ALS-500RC with the optional ARI-500

Skip this section and go to ARI-500 Transceiver Compatibility if the ALS-500RC is not used.

The optional ALS-500RC Remote Control Head can be used with the ARI-500. The ALS-500RC provides current metering (ALS-

500M) or RF power output metering (ALS-600), TX and O/L (Fault) indications of the amplifier, and O/L resetting of the amplifier

via the ALS-500RC ON/OFF switch by cycling power on the ALS-500M, or operating as a OPERATE/STANDBY switch with the

ALS-600.

To use the ALS-500RC Remote Control Head with the ARI-500:

1) Connect a RJ-45 patch cable to Remote port A of the ARI-500.

2) Connect the other end of this RJ-45 cable to port A of the ALS-500RC remote.

3) ALS-500RC Port B is not used in this application.

Note:

JMP 2 inside the ARI-500 must be set as described below when the ALS-500RC is used:

1) JMP 2 in the 1-2 position (Fig. A): Factory default. Must be strapped this way when the ALS-500RC is NOT used.

2) JMP 2 in the 2-3 position (Fig. B): Strapping position when using the ALS-500RC. The Current/RF Power Meter, Power,

TX and O/L indicators are all functional. The ARI-500 Auto O/L Reset (Fig. C) is automatically disabled. The ALS-500RC

POWER switch turns the ALS-500M power ON and OFF, and functions as the ALS-600 OPERATE/STANDBY switch.

Manually reset O/L on both amplifiers by switching the ALS-500RC's POWER Switch OFF and then ON. When the ALS-

500RC POWER is switched ON, it takes about four seconds for the ALS-500 to turn on or the ALS-600 to reset.

JMP 2

FIGURE A

(Factory Default)

Note: JMP 2 MUST be in the Factory Default position (FIGURE A) if the ALS-500RC Remote Control Head is NOT used.

Note: JMP 3 should be set to OFF (Figure C) when using the ALS-500RC, as the ALS-500RC provides manual reset functionality.

ARI-500 Transceiver Compatibility

The ARI-500 is compatible with most ICOM, Kenwood and Yaesu radios for reading band data information and detecting transmitter

keying. Additionally, the ARI-500 low drive current keying interface is compatible with virtually any transceiver's amplifier keying

output. Newer Kenwood radios have a DB-9 male connector for computer control. Serial data is read from this port to get the band

data. ICOM Transceivers use a "step voltage" for band data. A voltage of 0-8 volts is output from the band data pin of the accessory

jack. Yaesu, older Kenwood, and Elecraft K3 radios output band data in a 4-line BCD format (the Unified Microsystems plan).

Many other transceivers use the 4-line BCD standard as well. Check your transceiver's instruction manual to see if this is the case. If

so, it will also be compatible with the ARI-500.

Instruction Manual

JMP 2

FIGURE B