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The DCS-7280CR-48-DC-F is a 2RU deep-buffer switch router from the Arista 7280R series, with 48 100GbE QSFP100 ports and 8 40GbE QSFP+ ports. With breakout cables the switch supports up to 192 25GbE or 224 10GbE interfaces.
Switching capacity is 10.24 Tbps with forwarding up to 5.76 Bpps, and Arista lists latency from 3.8 microseconds. A 32 GB packet buffer absorbs traffic bursts, and FlexRoute scales to over 1M IPv4 LPM routes, 928K IPv6 LPM routes and 768K MAC addresses.
This unit ships with two hot-swap 1900 W DC power supplies in a 1+1 arrangement; Arista sells the AC model as the DCS-7280CR-48-F. Four hot-swap FAN-7002H-F fans provide N+1 cooling. Airflow is front-to-back (port-side intake) only, as no back-to-front version exists. Typical and maximum draw are 1363 W and 1710 W. The NEBS-compliant chassis weighs 46.7 lb and measures 19 x 22.2 x 3.5 inches.
Management uses a 100/1000 RJ-45 port, an RS-232 RJ-45 console and a USB port. Advanced Layer 3 features such as BGP and OSPF need an Arista Enhanced L3 license, which is not included and is available from Arista partners.
Matching spares include the PWR-1900AC-F power supply and the FAN-7002H-F fan module.
This seller refurbished DCS-7280CR-48-DC-F is tested, working, and covered by the NetworkTigers one-year warranty.
- Network Ports : 48x 100GbE QSFP100 (max 192x 25GbE / 224x 10GbE via breakout)
- Uplink Ports : 8x 40GbE QSFP+
- Management Ports : 1x 100/1000 RJ-45 mgmt, 1x RS-232 RJ-45 console, 1x USB
- AirFlow Direction : Front-to-back (port-side intake)
- Fan Module Options : FAN-7002H-F
- Power Supplies Included : 2x DC 1900 W (hot-swap, 1+1)
- Power Supply Options : PWR-1900AC-F (1900 W AC), PWR-1900-DC-F (1900 W DC); front-to-rear system
- PoE Budget : None
- Switching Capacity : 10.24 Tbps
- Forwarding Rate : 5.76 Bpps
- MAC Address Table Size : 768,000
- Latency : from 3.8 microseconds
- DRAM and Flash : 16 GB DRAM, 4 GB flash, SSD optional (multi-core x86 CPU)
- Model Number : DCS-7280CR-48-DC-F
- Part Number : DCS-7280CR-48-DC-F, JH803A
- Condition : Seller refurbished
- One (1) Seller Refurbished Arista DCS-7280CR-48-DC-F 7280R Series 48x 100G QSFP100 8x 40G QSFP+ Front to Rear Airflow (DC) Switch as described above
- One (1) Power Cord Included
- Two (2) DC Power Supply Included
- Four (4) Fan Module Included
- One (1) Set of Rack Mount Brackets Included
- Manuals or product brochures are not included. Software or Firmware DVDs or CDs are not included
Product information and installation instructions may be found on the manufacturer's website or the web. Software or firmware updates may be available through the manufacturer's website - Transceiver Modules Not Included
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