Icom IC-F8100 Instruction Manual page 63

EXT. MODEM Pin Pin name
1 TXD
2 RXD
3 GND
4
8 1
5 AF GND
6 AF OUT
7 AF IN
8
Description
Outputs terminal for receive data.
Input terminal for transmit data.
Connect to the ground.
PTT PTT input terminal. When grounded, transmits. 0 V: transmit, 5 V: receive
Ground line for AF signal.
Output terminal for AF signal.
Input terminal for AF signal.
NC No connection
CONNECTION AND INSTALLATION
Specification
RS-232C
RS-232C
—
Output impedance : 4.7 kΩ
Output level : 141 to 281 mVrms
Input impedance : 1 kΩ
Input level : 56 to 824 mVrms
—
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
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