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Arista

Arista DCS-7808R3-FM2 | 7800R3 Fabric Module-2 for 7808 Chassis, 370W

SKU:DCS-7808R3-FM2

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Description

The Fabric Module-2 is the second-generation fabric module for the Arista 7808 chassis in the 7800R3 Series. It provides the cell-spraying fabric interconnect between line cards in large-scale data centre, cloud, service provider and internet peering deployments, including layer 2/3 cloud designs, overlay networks and carrier edge and core services.

Six modules are required per 7808 chassis, filling fabric slots 1 to 6. Each module draws a typical 370W, with a maximum of 518W measured at 25C ambient with 50% load on all ports. It weighs 32.2 lbs (14.6 kg) and measures 2.5" x 21" x 22.70" (6.4 x 53.3 x 57.6 cm). Compared with the first-generation DCS-7808R3-FM, this module has a lower typical power draw and weight. It also includes eight user-serviceable fan modules and supports graceful degradation redundancy.

The module is for the DCS-7808 chassis only and works with 7800R3 Series line cards and 7800 supervisor modules (Sup1A and Sup1S). Power is supplied from the chassis backplane.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Part of the 7800R3 cell-spraying fabric architecture for 100% efficiency
- Fabric module redundancy with graceful degradation
- User-serviceable fan modules, 8 per module
- Supports 7808 chassis fabric capacity of 230 Tbps (460 Tbps FDX)
- Supports up to 14.4 Tbps per line card slot
- Lower typical power (370W) and weight (32.2 lbs) than the first-generation DCS-7808R3-FM

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Product type: Fabric Module-2 (FM2)
- Chassis support: DCS-7808
- Modules required: 6 per chassis (fabric slots 1-6)
- Typical power: 370W
- Maximum power: 518W
- Power measurement: 25C ambient with 50% load on all ports
- Dimensions (H x W x D): 2.5" x 21" x 22.70" (6.4 x 53.3 x 57.6 cm)
- Weight: 32.2 lbs (14.6 kg)
- User-serviceable fans: Yes, 8 fan modules
- Redundancy: Graceful degradation supported
- 7808 chassis fabric module slots: 6
- 7808 chassis line card slots: 8
- 7808 chassis supervisor slots: 2
- 7808 chassis throughput: 230 Tbps, 48 Bpps

FAQs

Q: How many Fabric Module-2 units does a 7808 chassis need?
A: Six modules are required per DCS-7808 chassis, filling fabric slots 1 to 6.

Q: Which chassis does this fabric module fit?
A: It is for the Arista DCS-7808 chassis only. It works with 7800R3 Series line cards and 7800 supervisor modules (Sup1A and Sup1S).

Q: How does it differ from the DCS-7808R3-FM?
A: The DCS-7808R3-FM2 is the second-generation module. It has a typical power draw of 370W and weighs 32.2 lbs, compared with 510W and 35 lbs for the first-generation DCS-7808R3-FM.

Q: How much power does each fabric module draw?
A: Typical draw is 370W and the maximum is 518W per module, measured at 25C ambient with 50% load on all ports. Power comes from the chassis backplane.

Q: Does it support redundancy?
A: Yes. It supports graceful degradation redundancy, and the eight fan modules are user-serviceable.

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