NXR-901
30
Pin No.
Name
I/O
Function
21
FM_RSSI
I
RSSI signal input
22
NC
-
No connection
23
GND
-
Ground
24
PLL_PWR_SAVE
O
Not used
25
RX_AUDIO
I
Reception audio signal
26
SIF_DAT
O
Data 0 for 3 line serial I/F
27
GND
-
Ground
28
SIF_CLK
O
Clock 0 for 3 line serial I/F
29
DA_EN
O
Enable for 3ch DAC
30
PLL1_EN
O
PLL 1 enabling signal
31
VCO_BAND_SW
O
Not used
32
DDS_EN
O
Not used
33
RX_POWER_SAVE
O
Not used
34
NC
-
No connection
35
GND
-
Ground
36
GND
-
Ground
CN58 (To CONTROL I/O D-sub 25-pin Connector)
1
NC
-
No connection
2
NC
-
No connection
3
NC
-
No connection
4
NC (RSSI)
-
No connection (RSSI)
5
BER_CLK
O
for Bit Error Rate Clock
6
NC
-
No connection
7
EMON
I
External monitor switch input
“L”=Monitor on, “H”=Monitor off
8
NC
-
No connection
9
EPTT
I
External press-to-talk switch input
“L”=PTT on, “H”=PTT off
10
AI1
I
Programmable function input 1
11
SC
O
Squelch control output
“L”=Busy, “H”=Not busy
12
AI2
I
Programmable function input 2
13
BER_DAT
O
for Bit Error Rate Data
14
AI3
I
Programmable function input 3
15
TXG
-
TX signal ground for TA,TD
16
DG
-
Control line ground
17
IO1
I/O Programmable function input/output 1
18
TD
I
TX-DATA input (data or Signaling)
Input impedance=600
Coupling=AC coupling
Deviation=0.75kHz (Narrow) at 100Hz
0.5Vpp input
19
IO2
Programmable function input/output 2
20
TA
I
TX audio input (voice)
Input impedance=600
Coupling=AC coupling
Frequency response=Pre-emphasis curve
Deviation=60% deviation at 1kHz
280mVrms±25mV input
Pin No.
Name
I/O
Function
21
IO3
I/O Programmable function input/output 3
22
RD
O
RX-DATA output (data or Signaling)
output impedance=1k
or less
Coupling=AC coupling
Non-squelched
Frequency response=±2.5dB at
10~3000Hz
Output level=70~90mVrms (standard
modulation)
23
IO4
Programmable function input/output 4
24
RA
O
RX-Audio output (voice)
output impedance=1k
or less
Coupling=AC coupling
Squelched
Frequency response=De-emphasis
curve
Output level=360~440mVrms (standard
modulation)
25
IO5
I/O Programmable function input/output 5
26
RXG
-
RX signal ground for RA, RD
27
IO6
I/O Programmable function input/output 6
28
SPM
I
Speaker mute signal input.
“L”=Mute on
29
NC
-
No connection
30
NC
-
No connection
CN59 (To TEST/SPKR 15-pin Connector)
1
AO5
O
Auxiliary output 5
2
AO4
O
Auxiliary output 4
3
AO3
O
Auxiliary output 3
4
SPO
O
Speaker AF output
5
AO2
O
Auxiliary output 2
6
SPO
O
Speaker AF output
7
AO1
O
Auxiliary output 1
8
SPI
I
Internal speaker AF input
9
RSSI
O
RSSI output (Analog signal output)
10
RD
O
RX-DATA output (Equal to D-sub
connector terminal No22)
11
GND
-
Ground
12
SPG
-
Speaker ground
13
GND
-
Ground
14
SPG
-
Speaker ground
15
NC
-
No connection
16
NC
-
No connection
17
SB
O
Power supply output
18
NC
-
No connection
19
SB
O
Power supply output
20
NC
-
No connection
CN60 (To Internal Speaker)
1
SPO
O
Internal speaker AF output
2
SPG
-
Internal speaker ground
TERMINAL FUNCTION
Summary of Contents for NEXEDGE NXR-901
Page 154: ...1 E CN300 RX_IF_VN ...
