MICOM-2E-ALE Owner’s Manual
80
Table 2. Connector J3, Pin Connections
Pin
No.
Pin Name Description
1 SPKR- Differential output to the external 8Ω, 8W speaker.
2 SPARE
3 SPKR+ Differential output to the external 8Ω, 8W speaker.
4 RX AUDIO+ Differential output received audio signals (0 dBm;
600Ω; not controlled by volume).
5
RX AUDIO-
*
Differential output received audio signals (0 dBm;
600Ω; not controlled by volume).
6 TX AUDIO+ Differential input received audio signals (600Ω
input impedance, 0 dBm is required for full power).
7
TX AUDIO-
*
Differential input received audio signals (600Ω
input impedance, 0 dBm is required for full power).
8 PTT_IN VOICE Transmission command (by short to ground) for
voice signals.
9 PTT_IN DATA Transmission command (by short to ground) for
data signals.
10 PTT_IN CW Transmission command (by short to ground) for
CW (Morse) signals.
11 SWA+ 13.8V (nominal) current limited.
12 KW_C_C KW option channel change
13 KW_ON/OFF KW option power ON/OFF.
14 AGC FAST/SLOW AGC fast or slow release.
15 RXD Point to point communication line to HOST/HLC.
16 TXD Point to point communication line to HOST/HLC.
17 RESET External RESET.
18 GND Ground
19 KW PTT KW PTT
20 EXT_ALARM External Alarm Operation (open collector -pulled to
ground when external alarm is activated.
21 VPP Flash programming voltage
22 KW_ALC KW_ALC
23 SQ_GATE Squelch Indication
24 FAN ON/OFF FAN ON/OFF
25 KW TUNE KW tune
* Do not connect to GND.
To Next Page
Loading...
