Installation and Getting Started Guide for HP 600/610/620/630 RPS/EPS 2011-04

5-18
Installing and Connecting the HP Redundant / External Power Supplies
Installation Procedures
HP 610 EPS Only: Connect the EPS Backup Power Ports
Connect the EPS backup power cables to EPS backup power ports on the
HP 610 EPS.
WARNING For safe reliable operation only connect HP 610 EPS backup power
ports to other HP 610 EPS backup power ports. Do not connect to RPS
ports of other devices.
See Connection Topologies specific to the EPS backup power ports for more
information (page 5-31).
Note HP recommends connecting the “IN” connector first, then connect the “OUT”
connector. Connecting in this manner ensures there is no voltage on the cable
until all connections are complete.
To co nn ect:
1. Attach the end of the backup power cable marked “IN” to the backup
power “In” port on the first unit in the group of HP 610 EPS units. Push
the cable plug into the port until the thumb screws engage with the screw
holes in the unit. Tighten the plug thumb screws to secure the connection.
2. Attach the end of the EPS backup power cable marked “OUT” to the EPS
backup power “Out” port on the next unit in the group.
Out
Read
Ready
EPS Backup Power Ports
Out
Read
Ready
EPS Backup Power Ports
OUT
Internal
Powe r
Status
In
Read
EPS Backup
Internal
Powe r
Status
In
Read
EPS Backup
IN
EPS Power Backup Cable. One continous
cable from IN to OUT:
• Only use the cables supplied with the unit
• The cable connectors are keyed and can
only be attached in one orientation
IN
OUT
First unit in a group
Second unit in a
group