T42 racks
T42 racks
Cold aisle
back
front
Perforated tiles
or gratings
1220 mm cold
aisle width
front
2440 mm between
center lines of hot
and cold aisle
back
Hot aisle
T42 racks
back
front
Airflow
Figure
14.
Example
of
cold
aisle/hot
aisle
rack
configuration
Network
Equipment-Building
System
(NEBS)
information
for
applicable
Disk
Systems
The following apply to the IBM Disk Systems that have been designated as
conforming to the applicable sections of Telcordia Technologies GR-63-CORE
and/or GR-1089-CORE.
The intrabuilding ports of this equipment are suitable for connection to intrabuilding
or unexposed wiring or cabling only. The intrabuilding ports of the equipment
must
not
be metallically connected to interfaces that connect to the OSP 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
in order to connect these interfaces metallically to OSP wiring.
Note:
All Ethernet cable must be shielded and grounded at both ends.
The equipment is suitable for installation as part of a Common Bonding Network
(CBN) or an Isolated Bonding Network (IBN).
The equipment is suitable for installation in one or more of the following:
v
Network telecommunications facilities
v
Locations where the National Electrical Code (NEC) applies
Chapter 1. Introduction
25
Summary of Contents for DS4000 EXP810
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