Cisco 5000 Series - Manual (Page 120)

S e n d d o c u m e n t a t i o n c o m m e n t s t o n e x u s 5 k d o c s @ c i s c o . c o m
B-8
Cisco Nexus 5000 Series Hardware Installation Guide
OL-15902-01
Appendix B Technical Specifications
GR-1089 Installation and Caution Instructions
GR-1089 Installation and Caution Instructions
The following are NEBS GR-1089 installation and caution instructions:
• Shielded cable, grounded at both ends, is specified for copper telecom ports.
Caution The intra-building port(s) of the equipment or subassembly is suitable for connection to
intra-building or unexposed wiring or cabling only. The intra-building port(s) of the
equipment or subassembly must not be metallically connected to interfaces that connect to the
OSP or its wiring. These interfaces are designed for use as intra-building interfaces only (Type
2 or Type 4 ports as described in GR-1089-CORE, Issue 4) 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.
• The Cisco Nexus 5500 Platform switches and the Cisco Nexus 5000 Series switches have AC power
ports that are intended for deployments where an external Surge Protective Device (SPD) is utilized
at the AC power service equipment (see definition in National Electric Code).
• The Cisco Nexus 5500 Platform switches and the Cisco Nexus 5000 Series switches are designed
for a Common Bonding Network (CBN) installation.
• The Cisco Nexus 5500 Platform switches and the Cisco Nexus 5000 Series switches can be installed
in
network telecommunication facilities or locations where the National Electric Code applies.
• An electrical conducting path shall exist between the product chassis and the metal surface of the
enclosure or rack in which it is mounted or to a grounding conductor. Electrical continuity shall be
provided by using thread-forming type mounting screws that remove any paint or nonconductive
coatings and establish a metal-to-metal contact. Any paint or other nonconductive coatings shall be
removed on the surfaces between the mounting hardware and the enclosure or rack. The surfaces
shall be cleaned and an antioxidant applied before installation.
• The DC return connection to this system should remain isolated from the system frame and chassis
(DC-I).
• The nominal DC operating voltage –48 VDC.
ATT NEBS Requirements ATT TP76200 level 3 TCG Checklist
ETSI ETS 300 019-2-1, Class 1.2 Storage
ETS 300 019-2-2, Class 2.3 Transportation
ETS 300 019-2-3, Class 3.2 Stationary Use
Table 16 NEBS Compliance and ETSI 300-019 Environmental Requirements
Specification Description