Freewheeling will cause uneven cable wrapping around winch drum, damage cable, and may
cause serious injury.
• This TOOL must be maintained correctly for IBM Service personnel to use it. IBM shall inspect
condition and verify maintenance history before operation. Personnel reserve the right not to use
TOOL if inadequate. (C048)
Power and cabling information for NEBS (Network Equipment-Building System) GR-1089-CORE
The following comments apply to the IBM servers that have been designated as conforming to NEBS
(Network Equipment-Building System) GR-1089-CORE:
The equipment is suitable for installation in the following:
• Network telecommunications facilities
• Locations where the NEC (National Electrical Code) applies
The intrabuilding ports of this equipment are suitable for connection to intrabuilding or unexposed wiring
or cabling only. The intrabuilding ports of this equipment must not be metallically connected to the
interfaces that connect to the OSP (outside plant) or its wiring. These interfaces are designed for use as
intrabuilding interfaces only (Type 2 or Type 4 ports as described in GR-1089-CORE) and require isolation
from the exposed OSP cabling. The addition of primary protectors is not sufficient protection to connect
these interfaces metallically to OSP wiring.
Note: All Ethernet cables must be shielded and grounded at both ends.
The ac-powered system does not require the use of an external surge protection device (SPD).
The dc-powered system employs an isolated DC return (DC-I) design. The DC battery return terminal shall
not be connected to the chassis or frame ground.
The dc-powered system is intended to be installed in a common bonding network (CBN) as described in
GR-1089-CORE.
Safety notices xiii
Summary of Contents for 5104-22C
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