Cabling And Powering The Enclosure; Cabling The Enclosure; Cabling The Dc Input Module - HP BladeSystem c7000 Setup And Installation Manual

5 Cabling and powering the enclosure

Cabling the enclosure

After all system hardware is installed, cable the components. See the HP ProLiant BladeSystem
c-Class Site Planning Guide on the Documentation CD or the HP website (http://www.hp.com) for
additional cabling and site planning requirements.
WARNING!
be sure that all power is completely disconnected at the source before beginning any power
connections to the power bus bars or power bus box.
WARNING!
power components.
CAUTION:
Do not drape cables from one rack side to the other.
Do not run cables over a hard corner or edge.
NOTE: Before cabling the system, see:
cabling.
NOTE: The HP c7000 Carrier-Grade enclosure is suitable for connection to intrabuilding or
non-exposed wiring or cabling only. Unshielded, twisted-pair (UTP) cables may be used for both
NEBS™ and non-NEBS installations.
NOTE: The BR input terminals are considered to be DC-I.

Cabling the DC input module

WARNING!
power components.
Site input power, connected to rails A and B, provides power to the DC input module.
NOTE: In configurations that use breaker panels, site input power is powered to the breaker
panel.
Each DC power rail is supplied through three pairs of 4 AWG (21.14mm2) wires. Each pair of
wires includes the return and -48VDC power. Lugs for these connections are provided in the power
terminal set.
42 Cabling and powering the enclosure
To reduce the risk of electric shock or injury due to high-current electrical energy,
Be sure that all circuit breakers are locked in the off position before connecting any
To avoid damaging the fiber cables, note the following:
Be sure that all circuit breakers are locked in the off position before connecting any
"Cable management" (page 48) for guidelines on rack