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Cisco Nexus 6000 Series Hardware Installation Guide
OL-15902-01
Chapter 1 Overview
Cisco Nexus 6004 Switch
Note The platform supports a Twinax copper cabling solution that connects to standard QSFP connectors for
in-rack use, and optical cabling for longer cable runs:
For in-rack or adjacent-rack cabling, the Cisco Nexus 6001 supports QSFP+ direct-attach 40 Gigabit
Ethernet copper cables, an innovative solution that integrates transceivers with Twinax cables into an
energy-efficient, low-cost, and low-latency solution. QSFP+ direct-attach 40 Gigabit Twinax copper
cables use only 1.5 watt (W) of power per transceiver and introduce approximately 0.1 microsecond of
latency per link.
|For longer cable runs, the Cisco Nexus 6001 supports multimode, short-reach optical QSFP+
transceivers. These optical transceivers use approximately 1.5W per transceiver and have a latency of
approximately 0.1 microsecond.
Cisco Nexus 6004 Switch
This section describes the Cisco Nexus 6004 Switches (N6K-C6004-96Q and N6004-B-24Q) and their
components. This section includes the following topics:
• Features, page 1-6
• Chassis, page 1-7
• Ports, page 1-9
• Power Supply, page 1-10
• Fan Module, page 1-11
• Transceivers, page 1-13
Features
The Cisco Nexus 6004 offers the industry’s highest 10 and 40 Gigabit Ethernet and Fibre Channel over
Ethernet (FCoE) port density in a compact energy-efficient form factor, with integrated Layer 2 and
Layer 3 features at wire speed and low latency of approximately 1 microsecond for any packet size. With
a choice of front-to-back or back-to-front airflow options, the switch is designed for a broad range of
traditional data center and large-scale virtualized cloud deployments. The Cisco Nexus 6004 switches
are 4RU switches. The N6K-C6004-96Q is a 96-port,10/40-Gigabit Ethernet and Fibre Channel over
Ethernet (FCoE) switch and has the following features:
• 48 fixed ports on the back of the switch
• Four slots on the back of the switch for expansion modules.
• Six slots on the front of the switch for hot swap-capable power supplies, which provide front-to-back
and back-to-front airflow for cooling
• Four slots on the front of the switch for hot swap-capable fan modules.
• One console management port on the front of the switch.
• One USB port on the front of the switch.
The Cisco Nexus 6004 Extensible Fixed (EF) version (N6004-B-24Q) offers eight line-card expansion
module (LEM) slots to support a total of 96 ports of 40 Gbps throughput in a fully populated system. It
provides low-cost entry point for small-scale deployments. Each LEM supports 12 ports of 40 Gigabit
Ethernet in a QSFP form factor. Each 40 Gigabit Ethernet port can also be split into four line-rate 10
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