Motorola GM900/Opis wyprowadzeń

Opis sygnałów dostępnych na złączach radiotelefonów Motorola GM900, MC900, GM1100, GM1200, GM2000, MCX1200, MCS2000, MCX2000, MC2100.

Lokalizacja złącza akcesoriów DB25 w radiotelefonie Motorola GM900

PIN	CS Option Connector	SS Option Connector	Accessory Connector	Control Head Connector	Microphone Connector
1	A+ CONT	A+ CONT	SPKR+	INT SPKR+	OPT SW B+
2	+5V	+5V	INT SPKR+	INT SPKR+	SPKR- / KEY LOAD
3	2.1 MHz	2.1 MHz	SPKR-	MON/BUSY/OPEN LH RESET	MON / BUSY / KID
4	GND	GND	DIGITAL GND	PTT/BUS-	GND
5	DISC	DISC	BUSY	CLK	MIC / ON-OFF
6	9.3	9.3	BUS+	SPI TX DATA	PTT / BUS- / /WE
7	AFIC PRE-EMP OUT	AFIC PRE-EMP OUT	I/O 8	GND	AUX / BUS+ / KEYFAIL
8	ASFIC MIC AUD OUT	ASFIC MIC SUD OUT	I/O 5	RX HI	SPKR+ / HANDET AUDIO
9	AUX RX IN1	AUX RX IN3	EMERGENCY	MIC IN	―
10	UNIV IO	UNIV IO	ANALOG GND	C CTRL HD1/O DVP WE	―
11	GND	GND	FIL AUD OUT	C CTRL HD2/O KEY FAIL	―
12	RESET	RESET	AUX RX IN2	C CH EN/O KID	―
13	C CTRL HD2/O KEYFAIL	C CTRL HD2/O KEYFAIL	MIC IN	C VOLUME/O GND	―
14	AUX TX IN1	AUX TX IN3	SW B+	C OPT SW B+ SENSE/O BUSY	―
15	RX DATA/KID	RX DATA/KID	IGNITION	AUX/BUS+	―
16	RTS/DVP WE	RTS/DVP WE	I/O 2	+5V	―
17	CLK	CLK	LH RESET	PWR ON	―
18	SPI TX DATA	SPI TX DATA	BUS-	SW B+	―
19	MISO	MISO	SCI RX DATA	―	―
20	O JABBA INT/C DTMF DATA RDY	O JABBA INT/C DTMF DATA RDY	I/O 4	―	―
21	O JABBA SEL/C DTMF SEL	O JABBA SEL/C DTMF SEL	I/O 3	―	―
22	ASN INT/OPT TX	ASN INT/OPT TX	RSSI OUT	―	―
23	ASN SEL/OPT CTSB	ASN SEL/OPT CTSB	EXTERNAL MIC IN	―	―
24	N/C	N/C	AUX TX IN2	―	―
25	RSSI	RSSI	UNIV IO OUT	―	―

Hand-Held Control Head Cable

Radio Connector (18 pin)	Description	Control Head (15 pin)
1	SPKR+	8
2	SPKR-	7
3	HUB	6
4	PTT	2
5	SPI CLK	13
6	SPI DATA	1
7	DIG GND	3
8	N.C.	―
9	MIC	11
10	A1	4
11	A2	5
12	N.C.	―
13	WIPER	10
14	N.C.	―
15	N.C.	―
16	+5V	15
17	A+	12
18	SW B+	9