Thiết bị mạng Cisco Nexus N3K-C3048TP-1GE đã qua sử dụng

Phân phối Cisco Nexus N3K-C3048TP-1GE đã qua sử dung, bảo hành 12 tháng.
Phân phối Thiết bị mạng Switch Cisco Nexus N3K-C3048TP-1GE (N3K C3048TP 1GE) 48 10/100/1000 Mbps and 4 10Gbps ports part chính hãng giá tốt

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N3K-C3048TP-1GE Specification
Physical	· 1RU fixed form-factor switch· 48 10/100/1000-Mbps RJ-45 ports · 4 1/10 Gbps SFP+ uplink ports · 2 redundant power supplies · 1 fan tray with redundant fans · 1 I/O module with management, console, and USB flash memory ports
Performance	· 176-Gbps switching capacity· Forwarding rate of 132 mpps · Line-rate traffic throughput (both Layer 2 and 3) on all ports · Configurable maximum transmission units (MTUs) of up to 9216 bytes (jumbo frames)
Hardware tables and scalability
MAC addresses	128,000
Number of VLANS	4096
Spanning-tree instances	· RSTP: 512· MSTP: 64
ACL entries	2000 ingress1000 egress
Routing table	16,000 prefixes and 16,000 host entries8000 multicast routes
Number of EtherChannels	52 (with vPC)
Number of ports per EtherChannel	16
Buffers	9 MB shared
Boot flash memory	2 GB
Power
Number of power supplies	2 (redundant)
Typical operating power	120 watts (W) (48p of 1G and 4p of 10G/SR at 100% load, with 2 power supply units [PSUs])
Maximum power	124W
AC PSUsInput voltage Frequency Efficiency	100 to 240 VAC50 to 60 Hz 89 to 91% at 220V
DC PSUsInput voltage Maximum current Efficiency	-40 to -72 VDC33A 85 to 88%
Typical heat dissipation	409 BTU/hr (48p of 1G and 4p of 10G/SR at 100% load, with 2 PSUs)
Maximum heat dissipation	423 BTU/hr
Cooling	Forward and reversed airflow schemesForward airflow: Port-side exhaust (air enters through fan-tray and power supplies and exits through ports) Reversed airflow: Port-side intake (air enters through ports and exits through fan tray and power supplies) Single fan tray with redundant fans Hot swappable (must swap within 1 minute)
Sound
Measured sound power (maximum)Fan speed: 40% duty cycle Fan speed: 60% duty cycle Fan speed: 100% duty cycle	63.9 dBA64.7 dBA 66.4 dBA
Environment
Dimensions (height x width x depth)	1.72 x 17.3 x 19.7 in. (4.4 x 43.9 x 50.5 cm)
Weight	20.5 lb (9.3 kg)
Operating temperature	32 to 104°F (0 to 40°C)
Storage temperature	-40 to 158°F (-40 to 70°C)
Operating relative humidity	10 to 85% noncondensingUp to 5 days at maximum (85%) humidity Recommend ASHRAE data center environment
Storage relative humidity	5 to 95% noncondensing
Altitude	0 to 10,000 ft (0 to 3000m)