TK-5210
(
G
)
73
TERMINAL FUNCTION
CN923 26-pin connector specifi cation
Pin
No.
Name
Device
I/O
Function
Specifi cation
1
OPT1
SCRAMBLER
I
SCRAMBLE CODE SIGNAL INPUT
L
≤
0.45V, H
≥
4.7V/25k
Ω
load
ANI board
I
TX SENS SIGNAL input
L
≤
0.45V, H
≥
4.7V/25k
Ω
load
2
OPT3
SCRAMBLER
I
SCRAMBLE CODE SIGNAL INPUT
L
≤
0.45V, H
≥
4.7V/25k
Ω
load
ANI board
O
TX CONTROL SIGNAL OUTPUT
Active “L”, L
≤
1.0V, H
≥
4.0V
3
RXD1
-
-
-
-
4
TXD1
SCRAMBLER
I
PTT SIGNAL INPUT
L: TX “H”: Not TX, L
≤
0.45V, H
≥
4.7V/25k
Ω
load
5
NC
-
-
-
-
6
OPT4
ANI board
I
PTT SIGNAL INPUT
L: TX “H”: Not TX, L
≤
0.45V, H
≥
4.7V/25k
Ω
load
7
USEL
-
-
-
-
8
OPT5
SCRAMBLER
I
SCRAMBLE CODE SIGNAL INPUT
L
≤
0.45V, H
≥
4.7V/25k
Ω
load
ANI board
EMERGENCY SIGNAL INPUT
L: Emergency function is operated,
L
≤
0.45V, H
≥
4.7V/25k
Ω
load
9
DGND
SCRAMBLER
-
GND
-
ANI board
GND
-
10
AGND
SCRAMBLER
-
GND
-
ANI board
GND
-
11
AI
-
-
-
-
12
AO
-
-
-
-
13
AGND
SCRAMBLER
-
GND
-
ANI board
GND
-
14
5A
ANI board
I
5V power supply
78mAmax
15
STON
ANI board
O
SIDE TONE OUTPUT
1kHz 5Vp-p
16
DI/ANI
ANI board
O
DATA SIGNAL OUTPUT
Zin
≥
22k
Ω
, 1.1Vp-p typ.
17
TCONT
ANI board
O
SPEAKER MUTE SIGNAL OUTPUT
L: Unmute L
≤
0.8V, H
≥
4.2V
18
MAN DOWN
ANI board
I
Man-Down input
L: Active
19
INH
ANI board
O
MIC MUTE SIGNAL OUTPUT
L: Mute
20
OPT2
SCRAMBLER
I
SCRAMBLER CONTROL SIGNAL INPUT
“L”: ON “H”: OFF, L
≤
0.45V, H
≥
4.7V/25k
Ω
load
ANI board
CONTROL SIGNAL INPUT
L: SLEEP, output: L
≤
0.45V, H
≥
4.7V/25k
Ω
load
21
TXO
SCRAMBLER
I
MIC SIGNAL INPUT
Zo
≤
2.2k
Ω
260mVp-p typ. (Standard modulation)
22
RXEO
SCRAMBLER
I
AUDIO SIGNAL INPUT
Zo
≤
2.2k
Ω
640mVp-p typ. (Standard modulation)
23
RXEI
SCRAMBLER
O
AUDIO SIGNAL OUTPUT
Zin=22k
Ω
640mVp-p typ. (Standard modulation)
24
TXI
SCRAMBLER
O
MIC SIGNAL OUTPUT
Zin=22k
Ω
260mVp-p typ. (Standard modulation)
25
C3
SCRAMBLER
I
SCRAMBLE CODE SIGNAL INPUT
L
≤
0.45V, H
≥
4.7V/25k
Ω
load
26
SB2
SCRAMBLER
I
Switched B input
7.5V typ, 100mAmax