Instruction manual

2-2 Rear panel
The rear of the ARD25 has one (1) DB-9 connector for connection to a PC, one (1) BNC
connector for IF input, one (1) DC power connector, one (1) speaker input, and one (1)
speaker output.
1. RF IN
Using the supplied coaxial cable with a BNC connector at each end, connect to the IF
output from the companion receiver such as an AOR AR5000 series receiver.
2. SP IN (3.5 mm monaural jack)
Using the supplied speaker cable with a 3.5 mm plug at each end, connect to the radio
equipment’s speaker jack.
3. SP OUT (3.5 mm monaural jack)
Connect an external speaker to this jack to disable internal speaker.
4. 10101 (DB-9) connector
A serial communication connector for connection to a PC (RS-232C)
5. DC IN
Connect the supplied AC adapter to this connector. If you wish to operate with a 12 V
external regulated power supply, it should have a minimum continuous capacity of at
least 1 A.
The connector is wired center positive (+), outer negative (-).
5