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13 Internal Connector
13.1 Overview
The TK-7100H/8100H have a connector for a
SmarTrunk board and two connectors for connecting
external devices and installing boards (scrambler,
etc).
CN4
CN2
CN2
No.
1
2
3
4
5
6
7
8
9
CN3
10
11
12
CN4
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Name
I/O
Function
SB
-
12 V
NC
-
-
GND
-
GND
NC
-
FNC1
I/O
Programmable
FNC2
I/O
Programmable
FNC3
I/O
Programmable
FNC4
I/O
Programmable
FNC5
I/O
Programmable
FNC6
I/O
Programmable
FNC7
I/O
Programmable
FNC8
I/O
Programmable
Name
I/O
Function
Impedance/
Coupling
GND
-
Ground
NC
-
-
NC
-
-
NC
-
-
FNC2
I/O
Programmable
NC
-
-
NC
-
-
FNC3
I/O
Programmable
FNC1
I/O
Programmable
NC
-
-
5C
-
5 V DC power
supply
NC
-
-
DATAI
I
External
transmit signal
input 120 k /
AC
DETO
O
FM Detector
2
Output 1.8 k /
DC
ALTI
I
External alert
tone signal
input 3 k / AC
NC
NC
NC
NC
-
GND
-
Ground
Specifications
Max. 200 mA
Specifications
5 V DC,
Max. 50 mA
1 kHz 500 mVrms
Input
STD Dev
Before
pre-emphasis
STD Dev
300 mVrms (Open)
Before
de-emphasis
1 kHz 230 mVrms
STD Dev
After de-emphasis
39
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