Appendix A: Technical Specifications

Table 16. Pin Definitions of the 16-pin RPS Connector (Continued)

Pin

Definition

16 +3.3V DC Return

Figure 31 illustrates the pin layout to the RPS connector on the

AT-8524POE switch.

A2

7

1

A1

15 8

Figure 31. AT-8524POE RPS Connector Pin Layout

Table 17 lists the RPS connector pins and definitions.

Table 17. Pin Definitions for the RPS Connector on the AT-8524POE

Switch

Pin

Definition

 

 

 

 

A1

48V Return

 

 

A2

Return

 

 

1

48V

 

 

2

48V RS+

 

 

3

Redundant Power Supply (RPS) present

 

 

4

12V RS-

 

 

5

12V RS+

 

 

6

12V

 

 

7

3.3V

 

 

8

48V

 

 

9

48V

 

 

10

48V RS-

 

 

11

RPS GOOD

 

 

12

3.3V RS-

 

 

88

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Image 88
Allied Telesis AT-8500 Series manual 3V RS, Pin