TK-7150
66
TERMINAL FUNCTION
1. Display Unit (X54-3400-10) (A/2)
Pin No.
Name Description
CN901 (To remote speaker)
1 IRS BTL output for remote speaker output.
2 ES2 BTL output for remote speaker output.
CN902 (To TX-RX unit)
1ME MIC ground.
2 MIC MIC signal output.
3E Ground.
4 RESET Reset signal input.
5 TXD Serial data input.
6 RXD Serial data output.
7E Ground.
8 PSW Power switch control signal output.
9SB Power input after power switch (13.6V±15%).
10 IRS BTL input for remote speaker output.
11 ES2 BTL input for remote speaker output.
CN905 (To LCD assy)
1E Ground.
2 VCC 5V.
3CE Enable output for LCD driver.
4CL Clock output for LCD driver.
5DI Data output for LCD driver.
6DO Not used.
7 DISP Display control signal output. “L” : Display off
8 LEDA Power output for LCD backlight.
9 LEDK Ground for LCD backlight. “L” : Backlight on
10 NC Non connection.
CN906 (To Display unit B/2 : CH SW)
1E Ground.
2P4 SW position signal input 4.
3P3 SW position signal input 3.
4P2 SW position signal input 2.
5P1 SW position signal input 1.
J901 (MIC jack)
1DM Serial data input for keypad MIC.
2 MIC MIC signal input.
3 PTT PTT signal input. “L” : TX, “OPEN” : RX
Serial data output.
4SB Power output after power switch (13.6V±15%).
Pin No.
Name Description
5HK
Hook signal input. “L” : On hook, “H” : Off hook
Serial data input.
6ME MIC ground.
7E Ground.
8 BLC
MIC backlight control signal output. “H” : On, “L” : Off
2. Display Unit (X54-3400-10) (B/2)
Pin No.
Name Description
W1 (To Display unit A/2)
1P1 SW position signal output 1.
2P2 SW position signal output 2.
3P3 SW position signal output 3.
4P4 SW position signal output 4.
5E Ground.
3. TX-RX Unit (X57-6570-10)
Pin No.
Name Description
CN700 (To ANI board)
1 BUSY
2 EMG Emergency signal output.
“L” : Emergency function is operated,
“H” : Emergency function is not operated
L ≤ 0.05V, H ≥ 4.6V/30kΩ load
3 KEY TX control signal input.
Active low with 47kΩ pull-up to 5V
L ≤ 0.8V, H ≥ 2.5V
4 AUX Emergency signal input.
Active low with 47kΩ pull-up to 5V
L ≤ 0.8V, H ≥ 2.5V
5 INH MIC mute signal input. “L” : Mute
Active low with 47kΩ pull-up to 5V
L ≤ 0.8V, H ≥ 2.5V
6 STON Side tone input.
7 TCNT Speaker mute signal input. “L” : Unmute
L ≤ 0.8V, H ≥ 2.5V
8 DATA Data signal input.
9E Ground.
10 8C
8V. (CN700 No.10 + CN701 No.13 = 100mA Max.)
TX sens signal output.
Conventional “H” : Not TX, “L” : TX
LTR “H” : Not Link complete, “L” : Link complete
