User Manual

22 Quatech QTM-8524 Manual

D+

D-

+Vs

GND

RS-232

Interface

RS-485

Interface

Power

Regulator

Embedded

Controller

Transceiver

GMSK

Module

antenna

+5V

QTM-8524

2.3 QTM-8524 Block Diagram

2.4 QTM-8524 Disassembly

Disassembly of the QTM-8524 is required to change the jumper settings.

Please refer to figure 2.4 and follow the steps below to disassemble the

module:

1. Remove the DIN rail mounting bracket by

loosening the screws on the front of the unit.

2. Remove the two (2) small screws that were

under the DIN rail mounting bracket.

3. Using a small flat bladed screwdriver, gently pry

at the corners to separate the plastic case.

4. Set the jumpers as desired and replace the radio

assembly in the case. Use care not to flex the

cable too much while setting the jumpers.

Figure 2.3--QTM-8524 Block Diagram