OG_MU1-RIK_v20e Circuit Design, Inc.
5
OPERATION GUIDE
Powe r te rm ina l
Powe r sw i t ch
Powe r LED
Re se t sw i t ch
4 -moun t ing ho le s
TX -LED
RX -LED
RS232C conne c to r (D -Sub 9 p in )
MU -1
λ /4 l e ad a n t en n a
RS232C connector (D-Sub 9-pin socket):
A D-Sub 9-pin socket for RS232C. Connect the RS232C straight cable provided.
You can also supply power from the RS232C connector pin No.1. For details, refer to the circuit diagram.
Power terminal and power switch:
The connector for the power supply. Connect a 9 V battery with the battery snap provided.
* If you connect to a power supply other than a 9 V dry battery, ensure that it is DC +3.2 V to DC +12 V. Be sure to
connect the power supply with the correct polarity.
Power LED:
The LED comes on when the power switch is turned on.
Initialize switch:
Resets the MU-1 mounted on the MU1-RS2 to the factory default settings.
Initialize the unit if communication with the MU-1 is not possible or if you are uncertain of the internal settings.
λ
/4 Lead antenna:
A
λ
/4 long lead antenna (ANT-LEA-01).
MU-1:
A specific low power serial data transmission modem.
TX-LED:
On when data is transmitted.
RX-LED:
On when data is received.
2.1 Part Names and Functions
Chapter 2 The MU1-RS2 (MU-1 + MU1-RS2IF)