NXR-901
32
Pin No.
Name
I/O
Function
35
GND
-
Ground
36
PTT_TXD_SCM
-
No connection
CN402 (To X53-413 CN2)
1
HI_VOL_DET
I
Voltage monitor
2
GND
-
Ground
3
50MPU_A_GND
-
Ground
4
50MPU
I
5V constant voltage
5
50MPU_A_GND
-
Ground
6
DC50
I
5V constant voltage
7
DC50
I
5V constant voltage
8
DC50
I
5V constant voltage
9
DC50
I
5V constant voltage
10
33MPU_A_GND
-
Ground
11
33MPU
I
3.3V constant voltage
12
33MPU
I
3.3V constant voltage
13
33MPU_A_GND
-
Ground
14
50MPU_A
I
5V constant voltage
15
33MPU_A
I
3.3V constant voltage
16
33SH
O
3.3V constant voltage
17
50MPU_CONT
O
5V regurator control
18
NC
-
No connection
19
E_PTT_SH
I
“External press-to-talk-switch” signal
to Main MPU
20
SC_SH
I
“Squelch control” signal to Main MPU
21
GND
-
Ground
22
SRX0_ATX0
O
UART signal from RF control MPU to
Main MPU
23
STX0_ARX0
I
UART signal from Main MPU to RF
control MPU
24
GND
-
Ground
25
RF_PTT
I
“Press-to-talk-switch” signal to Main MPU
26
TX_STATE
I
“During the transmission” signal to
Main MPU
27
QT_DQT
I
“Detect QT or DQT” signal to Main MPU
28
RADIO_EER
I
“Detect accident of RF block” signal to
Main MPU
29
GND
-
Ground
30
ADSP_CK_SFT
O
“Frequency shift” signal to Analog
mode DSP
31
TRUKING
I
“Trunking mode” signal to Main MPU
32
A16C_CK_SFT
O
“Frequency shift” signal to RF control MPU
33
BER_DAT
O
Serial data for measurement bit error rate
34
BER_CLK
O
Serial clock for measurement bit error rate
35
GND
-
Ground
36
SYS_RST
O
System reset signal from modem
control MPU
Pin No.
Name
I/O
Function
CN713 (To COM D-sub 9-pin connector)
1
CD
-
No connection
2
DSR
I
Data Set Ready
3
RD
I
Receive Data
4
RTS
O
Request to Send
5
SD
O
Send Data
6
CTS
I
Clear to Send
7
DTR
O
Data Terminal Ready
8
RI
-
No connection
9
GND
-
Ground
J701 (To CF card)
1
GND
-
GND
2
D03 CF
I/O Data
3
D04 CF
I/O Data
4
D05 CF
I/O Data
5
D06 CF
I/O Data
6
D07 CF
I/O Data
7
CE1A CF
O
Card enable 1
8
A10 CF
O
Address
9
RD CF
O
Read enable
10
A09 CF
O
Address
11
A08 CF
O
Address
12
A07 CF
O
Address
13
33CF
-
3.3V
14
A06 CF
O
Address
15
A05 CF
O
Address
16
A04 CF
O
Address
17
A03 CF
O
Address
18
A02 CF
O
Address
19
A01 CF
O
Address
20
A00 CF
O
Address
21
D00 CF
I/O Data
22
D01 CF
I/O Data
23
D02 CF
I/O Data
24
NC
-
No connection
25
CD2
I
Card detection 2
26
CD1
I
Card detection 1
27
D11 CF
I/O Data
28
D12 CF
I/O Data
29
D13 CF
I/O Data
30
D14 CF
I/O Data
31
D15 CF
I/O Data
32
CE2A CF
O
Card enable 2
33
NC
-
No connection
TERMINAL FUNCTION
Summary of Contents for NEXEDGE NXR-901
Page 154: ...1 E CN300 RX_IF_VN ...
