Panasonic KX-TG4753B Service Manual page 57

12.2.2. Connections (Handset)
Connect the DC Power or Battery to BATT+ and BATT-.
Connect the JIG cable GND (black) to GND.
Connect the JIG cable UTX (yellow) to UTX and URX (red) to URX.
DC Power
1
or Battery
Note:
*: COM port names may vary depending on what your PC calls it.
12.2.3. Connections (Range Extender)
Connect the AC adaptor.
Connect the JIG Cable GND (black).
Connect the JIG Cable RX (red) and TX (yellow).
Range Extender P. C. board
Note:
*: COM port names may vary depending on what your PC calls it.
URX
BATT+
Handset P. C. board
URX
UTX
GND
URX (red)
3
3 UTX (yellow)
UTX
GND (black)
2
GND
BATT-
JIG Cable
URX (red)
3
3
UTX (yellow)
GND (black)
2
JIG Cable
57
KX-TG4753B/KX-TG470B/KX-TGA405B
To Serial Port
(com port 1*)
PC
To Serial Port
(com port 1*)
PC