TK-5210
(
G
)
68
TERMINAL FUNCTION
TX-RX unit (X57-7650-10 A/4)
Pin
No
Name
I/O
Function
CN501
1
OPT1
I
Refer to “CN501 26-pin connector
specifi cation” described on pages
72.
2
OPT3
O
3
RXD1
I
4
TXD1
O
5
NC
-
6
OPT4
O
7
USEL
-
8
OPT5
O
9
DGND
-
10
AGND
-
11
AI
I
12
AO
O
13
AGND
-
14
5A
-
15
STON
-
16
DI/ANI
-
17
TCONT
-
18
MANDOWN
-
19
INH
-
20
OPT2
-
21
TX0
-
22
RXEO
-
23
RXEI
-
24
TXI
-
25
C3
-
26
SB2
I
Pin
No
Name
I/O
Function
CN502 (for production)
1~20 -
-
-
CN505
1
DSR
I
Data set ready
2
E
-
GND
3
RXD
I
Serial data input
4
TXD
O
Serial data output
5
5M
-
5V
6
RTS1
I/O
Request to send/AUX
7
REM
I
Programmable function key input
8
PTT
I
External PTT input
9
MICE
-
External MIC GND
10
EMC
I
External MIC input
11
MSW/CTS
I
EXT/INT MIC switch input
12
SP-
O
BTL output - for external speaker
13
SP+
O
BTL for external speaker
14
SSW
I
EXT/INT speaker switch input