RD10 - Pin Assignment

General overview

Power Supply

The power supply unit must be connected with the main within a range between 200 – 250 VAC @ 50-60Hz. No power switch is available; separation from mains can be achieved by disconnecting the power plug only. Insert the DC connector of the supply unit into the power jack of the RD10. The voltage range is about 3V to 12V DC.

Headphone connector 6,3mm

Headphones stereo jack (6,3mm) with output impedance of 560Ω.

MPX-Input

An external MPX signal is fed into this BNC jack. The maximum level should not exceed 1000mVpp.

Antenna connector

The antenna signal is fed into the BNC-RF-Input. This input can be activated via software; either the RF- or MPX-input is active then. The maximum allowed input RF-Level must not exceed 120 dBuV.
Input Selectivity: 250 dBμV
RF-Level maximum allowable: 120dBμV

Serial Interface / USB Interfce

To configure the device (frequency setting) a zero-cross cable must be connected to the 9-pole SUB-D connector (male). Alternatively it is possible to receive the RD10 with an USB interface.

Multifunction port

This 9-pole SUB-D connector (female) carries one additional serial interface (RS232), RDS clock and data as well as one relay output (floating contact).

1 - RCLK: The RDS-clock from internal decoder chip
4 - RDATA: RDS-data from decoder chip
9 - QUAL: Quality signal receiving RDS. (1=RDS good, 0=RDS bad)

6 - Vcc: Internal Device-Power (3-3.3V DC)
5 - GND: Signal ground

3 - TX: Transmitter of the additional RS232 port
2 - RX: Receiver of RS232 port

8 - SWITCH1: floating relay contact pole 1
7 - SWITCH2: floating relay contact pole 2

LEDs

A red and green LED informs of the device status. The following table explains the function of the LED's: