
MFJ-1278 & MFJ-1278T Fast-Start Manual
18
E.
Hookup for Specific Radios
MFGS. OR
RADIOS
CONNECTOR
TYPE
MIC. AUDIO To
pin 1 of 1278
PTT To
pin 3 of 1278
RX AUDIO To
pin 4 of 1278
GROUND To
pin 2 of 1278
KENWOOD
TR-2500
TR-x600
TH-x1xx
TH-x15
TH-x5
4 pin
5 pin
6 pin
8 pin
HTs
HTs
"
"
"
pin 1
pin 1
pin 1
pin1
Tip-Lg.
Ring-Lg.
"
"
"
pin 2
pin 2
pin 2
pin 2
Sleeve-Lg.
Sleeve-Lg.
"
"
"
Speaker
Speaker
Speaker
Speaker
Tip-Sm.
Tip-Sm.
"
"
"
pin 3, 4
pin 4, 5
pin 6
pin 7, 8
Sleeve-Sm.
Sleeve-Sm.
"
"
"
ICOM
4 pin
8 pin
HTs*
pin 1
pin 1
Tip-Sm.
pin 2
pin 5
Tip-Sm.
Speaker
Speaker or pin 8
Tip-Lg.
pin 4
pin 6, 7
Sleeves
YAESU
FT-208
FT-x09
FT-x3
FT-727
4 pin
8 pin
HTs
HTs*
HTs*
HTs*
pin 2
pin 8
pin 1
Tip Sm.
"
"
pin 3
pin 6
pin 3
Tip-Sm.
"
"
Speaker
Speaker
pin 2
Tip-Lg.
"
"
pin 1
pin 7
pin 4
Sleeves
"
"
*: Some ICOM and Yaesu HTs key the transmitter by completing the ground connection on the mi-
crophone. If your HT is one that is noted in the above chart, you must follow the instruction given
in Chapter 3 of the MFJ-1278 instruction manual.
NOTE: The radio connection information listed in this section is believed to be accurate. However,
you should check the accuracy of this information with the instruction manual of your radio. MFJ
Enterprises, Inc. is not responsible for any inaccuracy of the information listed in the above chart.