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Cisco Nexus 3000 Series Hardware Installation Guide
OL-25338-04
Chapter 1 Overview of the Cisco Nexus 3000 Series Switches
Cisco Nexus 3548 Switch
Cisco Nexus 3548 Switch
The Cisco Nexus 3548 is a 1 rack unit (RU) switch that supports 48 fixed 1- and 10-Gigabit Ethernet
Small Form-Factor Pluggable (SFP+) ports, dual redundant, hot-swappable power supplies, four
individual, redundant, hot-swappable fans, one 1-PPS timing port, two 10/100/1000 management ports,
one console port, an d one USB port. The power supply units an d fan trays provide fo rward or reverse
airflow for cooling. The Cisco Nexus 3548 provides line-rate, Layer 2 and 3 switching at ultra low
latency and consumes low power.
This section includes the following topics:
• Chassis for the Cisco Nexus 3548 Switch, page 1-16
• Ports for the Cisco Nexus 3548 Switch, page 1-18
• Power Supply for the Cisco Nexus 3548 Switch, page 1-19
• Fan Tray for the Cisco N exus 3548 Switch, pa ge 1-19
• Port Connections for the Cisco Nexus 3548 Switch, page 1-20

Chassis for the Cisco Nexus 3548 Switch

The 1-RU Cisco Nexus 3548 chassis (part number N3K-C3548P-10G) is 1.72 inches (4.37 cm) high,
17.3 inches (43.9 cm) wide, and 18.38 inches (46.7 cm) deep. This switch is designed for 19-inch (48.3
cm) racks. Its switch ports are at the rear of the chassis in close proximity to server ports, and the power
supplies and fan tray modules are accessible from the front for ea sy replacement. You can order this
Tab l e 1-11 SFP+ Transceivers and Cables for the Cisco Nexus 3064 Switch
Part Number Transceivers and Cables
SFP-10G-SR 10-Gigabit Ethernet—short range SFP+ module
SFP-10G-LR 10-Gigabit Ethernet—long range SFP+ module
SFP-H10GB-CU1M 10-Gigabit Ethernet transceiver connected to a 1-meter copper cable
SFP-H10GB-CU3M 10-Gigabit Ethernet transceiver connected to a 3-meter copper cable
SFP-H10GB-CU5M 10-Gigabit Ethernet transceiver connected to a 5-meter copper cable
SFP-H10GB-ACU7M 10-Gigabit Ethernet transceiver connected t o an active 7-meter copper cable
SFP-H10GB-ACU10M 10-Gigabit Ethernet transceiver connected to an active 10- meter copper cable
Tab l e 1-12 SFP Transceivers and Cables for the Cisco Nexus 3064 Switch
Part Number Transceivers and Cables
GLC-T 1000BASE-T SFP transceiver
GLC-SX-MM Gigabit Ethernet multimode fiber (MMF) SFP transceiver with an LC connector of
type SX
GLC-LH-SM Gigabit Ethernet single-mode fiber (SMF) SFP transceiver with an LC connector of
type LX/LH