ACC
Pin
No.
Pin Name
Description
Specification
1
NC
No connection
—
2
TXD
Input terminal for serial communication data.
—
3
RXD
Output terminal for serial communication data.
—
4
RTS
Input terminal for request-to-send data.
—
5
CTS
Output terminal for clear-to-send data.
—
6
NC
No connection
—
7
GND
Serial/digital signal ground
—
8
MOD IN
Modulator input from an external terminal unit.
Input level: 85 mV rms
9
DISC OUT
Output terminal for AF signals from the AF detector circuit.
Output level is fixed, regardless of the [AF] control setting.
Output level: 300 mV rms
10
EXT. D/A
Output terminal.
The desired function can be assigned.*
(Default: Null)
—
11
VCC
Power supply voltage output
Output current: Less than 100 mA
12
N/C
No connection
—
13
N/C
No connection
—
14
GND
Ground
—
15
EXT.I/O 15
A desired function can be assigned.*
(Default: Null)
—
16
EXT.I/O 16
A desired function can be assigned.*
(Default: P0 Monitor Output)
—
17
EXT.I/O 17
A desired function can be assigned.*
(Default: Busy Output)
—
18
EXT.I/O 18
The desired function can be assigned.*
(Default: Null)
—
19
EXT.I/O 19
A desired function can be assigned.*
(Default: Null)
—
20
N/C
No connection
—
21
EXT.I/O 21
A desired function can be assigned.*
(Default: Analog Audible Output)
—
22
AF OUT
The AF detector Output.
—
23
EXT.I/O 23
A desired function can be assigned.*
(Default: Mic Mute Output)
—
24
EXT.I/O 24
The desired function can be assigned.*
(Default: Null)
—
25
EXT.I/O 25
A desired function can be assigned.*
(Default: Null)
—
■
Accessory Connector
PANEL DESCRIPTION 1
3
* A desired function can be assigned using the optional programming software CS-FR5300.
[ACC]