Panasonic KX-TG155SK Service Manual page 58

KX-TG155SK/KX-TGA660M
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.
URX
BATT+
Handset P. C. board
URX (red)
3
3
UTX (yellow)
UTX
GND (black)
2
GND
BATT-
JIG Cable
58
To Serial Port
(com port 1*)
PC