Vertex Standard 7133B, 7122B manual Shows the connections between the ACU and the OU

INSTALLATION

Table 2-1 shows the connections between the ACU and the OU.

TABLE 2-1. 7122B/7133B ACU CONNECTIONS TO 7122B/7133B OU

ACU, J8 PIN NO.	FUNCTION	OU TERMINAL STRIP
1	AZ CW COMMAND	1
2	AZ COMMON	2
3	AZ CCW COMMAND	3
4	EL UP COMMAND	4
5	EL COMMON	5
6	EL DOWN COMMAND	6
7	POL CW COMMAND	7
8	POL COMMON	8
9	POL CCW COMMAND	9
10	AZ CW LIMIT	10
11	AZ CCW LIMIT	11
12	EL UP LIMIT	12
13	EL DOWN LIMIT	13
14	POL CW LIMIT	14
15	POL CCW LIMIT	15
16	EMERGENCY STOP	16
17	GROUND	17
18	GROUND	18
19	+24V	19
20	+24V	20

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