Kenwood NXR-800 Service Manual page 37

Pin No. Name I/O
24 K1 O Key Scan
25 K2 O Key Scan
26 K3 O Key Scan
27 K4 I Key Scan
28 K5 I Key Scan
29 DC8 I 8V Power supply
30 GND - Ground
31 50MPU I Switched 5V power supply
32 50MPU I Switched 5V power supply
33 DC8 I 8V Power supply
34 DC8 I 8V Power supply
35 GND - Ground
36 DC8 I 8V Power supply
CN923 (To X45-382 E/5 CN905)
1 VOLUME_IN I Volume control input for AF signal
2 33MPU O Switched 3.3V power supply
3 GND - Ground
4 33AUD O Switched 3.3V power supply
5 SB O Power supply output
6 SCM_EN - No connection
7 GND - Ground
8 PTT_TXD_SCM I MIC PTT
9 HOOK_RXD_SCM I HOOK detect signal
10 MIG - MIC ground
11 MIC I MIC signal input
TX Unit (X56-3120-10) (C/3)
Pin No. Name I/O
CN960 (To X56-312 B/3 CN920)
1 DC8 I 8V Power supply
2 GND - Ground
3 50MPU I Switched 5V power supply
4 STB I Shift Register Strobe
5 SR_OE I Shift Register Output Enable
6 SR_CLK I Shift Register Clock
7 SR_DATA I Shift Register Data
8 LED1 I D960 segment "F" control
9 GND - Ground
10 LED10 I D961 segment "F" control
TERMINAL FUNCTION
Function
Function
CONTROL I/O 25 pin D-sub Connector
Pin Pin Signal Modifi -
I/O
No. Name Type cation
- - Default -
1 NC
O Digital Land short RSSI
2 NC - -
3 NC - -
4 AI1 I Digital
5 AI2 I Digital
6 AI3 I Digital
7 DG - GND
8 TD I Analog
9 TA I Analog
10 RD O Analog
11 RA O Analog
12 RXG - GND
13 SPM I Digital
14 BER_CLK O Digital
15 EMON I Digital
16 EPTT I Digital
17 SC O Digital
18 BER_DAT O Digital
19 TXG - GND
20 IO1 I/O Digital
21 IO2 I/O Digital
22 IO3 I/O Digital
23 IO4 I/O Digital
24 IO5 I/O Digital
25 IO6 I/O Digital
LAN
Pin Pin Signal Modifi -
I/O
No. Name Type cation
1 TD+ O Analog
2 TD- O Analog
3 RD+ I Analog
4 NC - -
5 NC - -
6 RD- I Analog
7 NC - -
8 NC - -
NXR-800
Description/ Port Type
No -
No -
Programmable Function
No
Input 1/ CMOS
Programmable Function
No
Input 2/ CMOS
Programmable Function
No
Input 3/ CMOS
No Digital GND
No TX Data Input (signaling)
No TX Audio Input (voice)
No RX Data Output (signaling)
No RX Audio Output (voice)
No RX Signal GND
No Speaker Mute/ CMOS
No for Bit Error Rate Clock
No External Monitor Switch
No External PTT Switch
No Squelch Control
No for Bit Error Rate Data
No TX Siganl GND
No Programmable Function I/O 1
No Programmable Function I/O 2
No Programmable Function I/O 3
No Programmable Function I/O 4
No Programmable Function I/O 5
No Programmable Function I/O 6
Description/ Port Type
No TX Siganl +
No TX Siganl -
No RX Siganl +
No -
No -
No RX Siganl -
No -
No -
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