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Motorola Crib Toy MTM5400 User Manual

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INSTALLATION
MTM5400 Mobile Terminal Installation Manual
65
Connector and Pin Assignment of the Enhanced Control 
Head
Figure 28  View of the Enhanced Control Head’s Mobile Microphone Port Connector and Flex Cable
 
 The keypad labelling of the control head may vary 
according to the specific customer/country concerns.
Table 13  10-Pin Mobile Microphone Port (MMP) Connector
Mobile Microphone 
Port Pin
Default 
Functions
Alternative 
Functions
USB Functions
RS232 Functions
1
1-WIRE
1-WIRE
1-WIRE
1-WIRE
1-WIRE
2
GPIO_3
PTT
GP Input or Output
GP Input or Output
RS-232-RTS
3
SPEAKER
SPEAKER
SPEAKER
SPEAKER
SPEAKER
4
GPIO_2
GPIO_2 INPUT
GP Input or Output
DATA -
RS-232-RXD
5
GND
GND
GND
GND
GND
6
OPT 5V
HIGH Impedance
OPT 5V
VBUS
OPT 5V
7
MIC +
MIC +
MIC +
MIC +
MIC +
8
GPIO_1
GPIO_1 INPUT
GP Input or Output
DATA +
RS-232-TXD
9
GPIO_4
HOOK
GP Input or Output
GP Input or Output
RS-232-CTS
10
GPIO_0
GPIO_0 INPUT
GP Input or Output, 
PWR ON
GP Input or Output, 
PWR ON
GP Input or Output, 
PWR ON
o
Pin 12
Flex
Cable
2
1
3
7
9
10
8
4
5
6
Front View of the Mobile
Microphone Port (MMP) 
Connector