EPS 2011-04

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Installing and Connecting the HP Redundant / External Power Supplies

Recommended Connection Topologies

RPS Connections on the HP 630 RPS/EPS

Recommendations

This section shows some recommended connection topologies using the HP

630 RPS/EPS power supplies. The HP 630 RPS/EPS can provide backup power

support for only one HP switch. In the illustration below, one HP 2910al-24G-

PoE+ switch is connected to the RPS port on a HP 630 RPS/EPS.

Figure 5-20. Connecting RPS to a 48-port switch

Limitations

The HP 630 RPS/EPS can supply power to at most two connected switches

that experience power supply failures at a time.

Status Indication

The Power Status LEDs on the HP 630 RPS/EPS indicate if a port can provide

power.

EPS Connections on the HP 630 RPS/EPS

Recommendations

The HP 630 RPS/EPS is designed to provide primary or backup PoE+ power

to only one HP PoE+ switch. In the illustration below, one HP 2910al-24G-

PoE+ switch is connected to the EPS port on a HP 630 RPS/EPS. The switch

provides PoE+ power to devices connected to their ports.

HP 630 RPS/EPS

HP 2910al switch

RPS

cable