(No.RA028)1-92.3.8 Changing of Signal Type2.3.8.1 Change signal input of D-SUB connector from DI toMICThe input (5pin) of D-SUB 15-pin connector is configured at theDI as the default value.Remove the R737 chip jumper and solder the chip jumper toR735.2.3.9 Emergency MIC2.3.9.1 Installation Procedure(1) Remove the two screws on both the right and left sides ofthe transceiver, then remove the cabinet and top packingfrom the transceiver.(2) solder the MIC connection cable as belowa) solder the MIC +ve cable (signal line) to EMGMICsolder padb) solder the -ve cable (GND) to GND solder padNote:You must set up using the KPG-175D.(3) Dress the cable as shown in the figure. The cable needs topass through one of two indentations located on the rearpanel of the transceiver.(4) Cut off the projection of the top packing using a pair of nip-pers or similar tool.If the cable is dressed to be routed through the indentationson the right side in step 4, the right side of the projectionneeds to be cut off.If the cable is dressed to be routed through the indentationson the left side, the left side of the projection needs to becut off.Following is a figure presenting an example for when theright side of the projection is cut off.(5) Reinstall the top packing. Check the correct fitting of thetop packing, then reinstall the cabinet and two screws forthe right and left sides.TX-RX unitComponent sideTX-RX unitComponent sideMIC +ve cable (signal line)MIC +ve cable (signal line)MIC +ve cable (signal line)MIC -ve cable (GND)MIC -ve cable (GND)MIC -ve cable (GND)Top packing
