Operation Manual

1
PANEL DESCRIPTION
1-17
DATA2 socket information D
DATA2 PIN No. NAME DESCRIPTION SPECIFICATIONS
q
w
e
r
t
y
Rear panel view
1
DATA IN
Input terminal for data transmit.
( 1200 bps: AFSK/
9600 bps: G3RUH, GMSK)
Input level (1200 bps):
Input level (9600 bps):
100 mV
0.2 to 0.5 Vp-p
2
GND
Common ground for DATA IN, DATA
OUT and AF OUT.
———
3
PTT
PTT terminal for packet operation.
Connect to ground to activate the
transmitter.
Input voltage (High):
Input voltage (Low):
2.0 V to 20.0 V
–0.5 V to +0.8 V
4
DATA OUT
Data out terminal for 9600 bps opera-
tion only.
Output impedance:
Output level:
10 k˘
1.0 Vp-p
5
AF OUT
Data out terminal for 1200 bps opera-
tion only.
Output impedance:
Output level:
4.7 k˘
100–300 mV rms
6
SQL
Squelch out terminal. This pin is
grounded when the transceiver re-
ceives a signal which opens the
squelch.
•To avoid interfering transmissions,
connect squelch to the TNC to inhibit
transmission when squelch is open.
•KeepRFgainatanormallevel,other-
wisea“SQL”signalwillnotbeoutput.
SQLopen:
SQLclosed:
Less than 0.3 V/
5 mA
More than 6.0 V/
100 µA
8
1
2
3
4
7
6
5
1
2
3
4
7
6
5
qwer
tyui
o!0!1!2
!3
Connect to ACC socket ACC 1 ACC 2
q FSKK
w GND
e HSEND
r MOD
t AF
ySQLS
u 13.8 V
i ALC
q 8 V
w GND
e HSEND
r BAND
t ALC
y VSEND
u 13.8 V
• When connecting the ACC conversion cable (OPC-599)
Microphone connector information D
MIC PIN No. NAME DESCRIPTION SPECIFICATIONS
12345678
Rear panel view
1 8 V
+8 V DC output.
Maximum 10 mA
2 MIC U/D
Frequency Up/Down
UP: Ground
DN: Ground through 470 ˘
3 M8V SW
HM-151 connection
Ground to indicate the HM-151 is connected.
When the HM-151 is not connected; outputs an AF.*
1
—
4 PTT
PTT input —
5 MIC E
Microphone ground —
6 MIC
Microphone input —
7 GND
Ground —
8
DATA IN
When the HM-151 is connected; HM-151 data input —
SQLSW
When the HM-151 is not connected; Squelch switch
Open: ‘Low’ level
Close: ‘High’ level
*
1
You can change this setting in “MIC AF Out” of the “Function” Set mode. (p. 6-6)
SET
> Function > MIC AF Out