Specifications

Hardware Reference 17

C613-03080-00 REV E

Redundant Power Supply

AT-8600 Series switches have a Redundant Power Supply (RPS) connector on

their rear panel. The RPS connector differs for different switch models.

For information about the RPS for AT-8624T/2M and AT-8648T/2SP switches,

Figure 7 illustrates the pin layout to the 16-pin molex connector and RPS port.

Table 8 lists the connector’s pin numbers and pin functions.

For information about the RPS for the AT-8624PoE switch, Table 9 on page 18

lists the connector’s pin numbers and pin functions.

Figure 7: RPS 16-pin molex connector pin layout for AT-8624T/2M and

AT-8648T/2SP

Table 8: RPS connector pin numbers and functions for AT-8624T/2M and

AT-8648T/2SP

Pin Number Function

1 +12 VDC

2 Remote Sense (RS) +5 VDC

3 Remote Sense (RS) Ground

4 Remote Sense (RS) +3.3 VDC

5 Redundant Power Supply (RPS) Present

6 Ground (+3.3 VDC Return)

7 Ground (+5 VDC Return)

8+5 VDC

9 Ground (+12 VDC Return)

10 +3.3 VDC

11 Ground (+3.3 VDC Return)

12 +3.3 VDC

13 Ground (+3.3 VDC Return)

14 +3.3 VDC

15 +5 VDC

16 Ground (+5 VDC Return)