Kenwood NXR-700 Service Manual page 37

Pin No. Name I/O
34 DC8 I 8V Power supply
35 GND - Ground
36 DC8 I 8V Power supply
CN923 (To X45-385 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
COM D-sub 9-pin Connector
Pin Signal
Pin Name I/O
No. Type
1 CD I Digital
2 RD I Digital
3 SD O Digital
4 DTR O Digital
5 SG - GND
6 DSR I Digital
7 RTS O Digital
8 CTS I Digital
9 CI I Digital
TERMINAL FUNCTION
Function
Description /
Specifi cation
port Type
Carrier Detect Input voltage range
Receive Data Input voltage range
Send Data Voltage swing
Data Terminal Ready Voltage swing
Signal GND
Data Set Ready Input voltage range
Request to Send Voltage swing
Clear to Send Input voltage range
Ringer DET Input voltage range
TX Unit (X56-3112-72) (C/3)
Pin No. Name I/O
CN960 (To X56-311 B/3 CN920)
1 DC8 I
2 GND -
3 50MPU I
4 STB I
5 SR_OE I
6 SR_CLK I
7 SR_DATA I
8 LED1 I
9 GND -
10 LED10 I
Min Typ
–30 -
–30 -
±5 ±5.2
±5 ±5.2
- - -
–30 -
±5 ±5.2
–30 -
–30 -
NXR-700
Function
8V Power supply
Ground
Switched 5V power supply
Shift Register Strobe
Shift Register Output Enable
Shift Register Clock
Shift Register Data
D960 segment "F" control
Ground
D961 segment "F" control
Max Unit Remarks
30 V
30 V
- V
- V
- - Conform to RS-232C
30 V
- V
30 V
30 V
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