ALM-2 and MCP Connector Pinouts

ALM-2 RS-232 Ports 4 - 15
25-Pin Female D-Sub

PIN	SIGNAL	PIN	SIGNAL
2	TD	8	DCD
3	RD	20	DTR
7	GND

ALM-2 RS-232/RS-423 Ports 0 - 3
MCP RS-232/RS-423 Ports 2 and 3
25-Pin Female D-Sub

PIN	SIGNAL	PIN	SIGNAL
2	TD	8	DCD
3	RD	15	TC
4	RTS	17	RC
5	CTS	20	DTR
6	DSR	24	TCO
7	GND

ALM-2 Parallel Port
25-Pin Female D-Sub

PIN	SIGNAL	PIN	SIGNAL
1	STROBE	12	PE
2	DATA 0	13	SLCT
3	DATA 1	18	GND
4	DATA 2	19	GND
5	DATA 3	20	GND
6	DATA 4	21	GND
7	DATA 5	22	GND
8	DATA 6	23	GND
9	DATA 7	24	GND
10	ACK

MCP RS-449 Ports 0 and 1
37-Pin Female D-Sub

PIN	SIGNAL	PIN	SIGNAL
4	SD-	22	SD+
5	ST-	23	ST+
6	RD-	24	RD+
7	RS-	25	RS+
8	RT-	26	RT+
9	CS-	27	CS+
11	DM-	29	DM+
12	TR-	30	TR+
13	RR-	31	RR+
17	TT-	35	TT+
19	GND

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