INSTALLATIONS
2-20
2.2.1.5 Terminal description
TB11 (CQD-2415)
No. Name Description
Connection
point
1 GND Ground for shielded connections
2 NC
3 NC
(not used)
4 DISP_LINE+
5 DISP_LINE-
600 equalized, 0 dBm
AF receiver signal
6
＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿
DISP_KEY
PTT/KEY line
7
＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿
SYS_RST
System reset line
8 RS-485-A
9 RS-485-B
Interface for RS-485 communication （57.6kbps / 8bit/ none）
NCM-2150
MF/HF
controller
TB12 (CQD-2415)
No. Name Description
Connection
point
10 DISP_PWR
11 DISP_PWR
24 VDC, maximum 3 A, MH/HF controller NCM-2150 dedicated
power supply
12 GND
13 GND
Ground
14 GND Ground for shielded connections
NCM-2150
MF/HF
controller
TB13 (CQD-2415)
No. Name Description
Connection
point
15 GPS_RX-A
16 GPS_RX-B
IEC61162-1 compliant, 4800 bps, receiving only
(NMEA0183 V1.5, V2.0, V2.3: GGA/GLL/RMC/GNS/ZDA)
17 GND Ground for shielded connections
GPS
18 DC_OPE+
19 DC_OPE-
Acknowledgement signal input when running on DC power
20 GND Ground for shielded connections
NBD-2150
AC/DC power
supply
21 +BK
Power supply for running -BK circuit of external device
(+24 V, max. 0.5A)
22 -BK
BK acknowledgement signal between the equipment and
external device (I/O)
23 GND Ground for shielded connections
External radio,
weather FAX,
etc.
TB14 (CQD-2415)
No. Name Description
Connection
point
24
＿＿＿＿＿＿＿＿＿＿＿
RBK
Transmitter ON/OFF signal* for such as ANT switch (ON=L)
25
＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿
PA_MUTE
Transmission inhibit signal (Inhibit=L)
26 ATU_RXD Serial receiving signal (4.8 kbps/7 bits/even/1 stop)
27 GND Serial receiving signal ground
28 ATU_24V Power for the antenna tuner (+24 V, max. 1A)
29 ANT_CURR Antenna current signal input
30 ATU_TXD Serial transmitting signal (4.8 kbps/7 bit/even/1 stop)
31 GND Serial transmitting signal ground
32 GND Ground for shielded connections
NFC-2150
antenna tuner
etc.
* After transmitting, the RBK keeps L output for 1 to 1800 seconds (factory default: 180 seconds).
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