CONNECTOR PIN FUNCTIONS
MTM700
Mobile Radio / Detailed Service Manual
A - 9
6
DSR
Data Set Ready
Input
7
RTS
Request to Send
Output
8
CTS
Clear to Send
Input
9
RI
Ring Indicator
Input
Pin
Function
Description
1
GND
Ground
2
RS232_SCI_TX
Transceiver data (RS232 line with RS232 level)
3
RS232_SCI_RX
Receive data (RS232 line with RS232 level)
4
RS232_RTS
Request to Send (RS232 line with RS232 level)
5
RS232_CTS
Clear to Send (RS232 line with RS232 level)
6
FLT_A+
Filtered unswitched UB+ / 200mA
7
Signal_GND
Ground for RS232
8
SB9600_BUSY
SB9600 busy
9
NC
Not Connected
10
NC
Not Connected
11
NC
Not Connected
12
SW_B+
Switched UB+ / 100mA
13
SB9600_BUS-
SB9600 BUS-
14
ON_OFF_CONTROL /
FLASH_MODE
-Switch into flash mode (connect pin14 with 6)
-On/Off control for Std. Control Head
15
SB9
SB9600 BUS+
16
INT_MIC
Microphone analogue input of 80mVRMS, 600ohm impedance, 9V=
17
SB9600_RESET
Reset; its a output to reset a SB9600 device
18
NC
Not Connected
19
GROUND
Ground
20
IGNITION
Connecting this pin to the ignition line of the vehicle that will automati-
cally turn on the radio if ignition of the vehicle is turned on. High active;
21
ON_OFF_GND
On/Off control for Control Head "J"(MTM300 C/H)
22
EXPANSION_PTT
Expansion PTT, works together with INT_MIC
23
SB9600_SW
switched into SB9600 mode if connected to 12V
24
HANDSET_AUDIO
Handset audio to earpiece impedance has to be > 200 Ohm
25
NC
Not Connected
Table 25 Pin Assignment of the 25 Pin subD Connector of the Expansion Head
Table 24 Pin Assignment of 9 Pin subD Connector of the Expansion Head
Содержание MTM700
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