• Gray metal Arista DCS-7504R-FM fabric module back with multiple ports and ventilation slots for 7504 chassis
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Arista

Arista DCS-7504R-FM | 7500R Fabric Module for 7504 4-Slot Chassis, 121W

DCS-7504R-FM

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Description

The DCS-7504R-FM is a fabric module with an integrated fan for the Arista 7504 and 7504N 4-slot (7RU) chassis in the 7500R Series of data centre switch routers. It suits large data centre spine, core and routing deployments that need deep-buffer, high-density 10/25/40/50/100GbE modular switching in a compact chassis.

Fabric modules provide the non-blocking, N+1 redundant, self-healing switching fabric of the chassis and are required in all six fabric slots (1-6), with 5+1 redundancy. Each module draws 121 W typically (163 W maximum) from the chassis midplane, so no separate power supply is needed. It measures 6.4 x 21.6 x 26 cm and weighs 3.4 kg, is hot-swappable and is inserted from the rear of the chassis. The integrated fan module handles front-to-rear airflow cooling.

The module works with 7500R, 7500R2 and 7500R2AK line cards, and with 7500E line cards in the 4-slot chassis. It is specific to the DCS-7504 and DCS-7504N chassis and is not for the 7508, 7512 or 7516 chassis. The fabric module itself needs no licence, while routing features such as OSPF, BGP, ISIS and PIM on the chassis need the separate LIC-MOD-1-E Enhanced Software License.

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

Features

- Integrated fan module for front-to-rear airflow cooling
- Part of the 7500R fabric: non-blocking, N+1 redundant and self-healing
- Virtual Output Queueing with distributed scheduler
- Hot-swappable, inserted from the rear of the chassis
- Supports 7500R series fabric of up to 25 Tbps per fabric module (series-level figure, largest chassis)
- Supports 7500R and 7500E line cards in the 4-slot chassis

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

- Model: DCS-7504R-FM
- Product type: 7500R Series fabric module with integrated fan
- Chassis support: DCS-7504, DCS-7504N (4-slot, 7RU)
- Fabric slots: required in all six fabric slots (1-6)
- Redundancy: 5+1
- Integrated fan module: Yes
- Typical power (max): 121 W (163 W), measured at 25C ambient, 50% load on all ports
- Dimensions (H x W x D): 6.4 x 21.6 x 26 cm (2.5 x 8.5 x 10.25 in)
- Weight: 3.4 kg (7.5 lbs)
- 7504N chassis maximum throughput: 38 Tbps / 17.3 Bpps
- 7504N chassis dimensions (H x W x D): 31.2 x 48.3 x 79.5 cm (12.25 x 19 x 31.3 in), 7RU

FAQs

Q: Does this fabric module need a licence?
A: No, the fabric module itself needs no licence. Routing features such as OSPF, BGP, ISIS and PIM on the chassis need the separate LIC-MOD-1-E Enhanced Software License for 4-slot modular switches.

Q: Does it need its own power supply?
A: No. It is powered from the chassis midplane and draws 121 W typically, with a 163 W maximum. The 7504N chassis provides up to 4 power supply slots (3 kW AC or DC).

Q: Which chassis and line cards does it work with?
A: It fits the Arista DCS-7504 and DCS-7504N 4-slot chassis, with all six fabric slots (1-6) populated. It works with 7500R, 7500R2 and 7500R2AK line cards and with 7500E line cards in the 4-slot chassis.

Q: Can I use it in a 7508, 7512 or 7516 chassis?
A: No. Those chassis use their own -FM fabric modules. The 7500R3 chassis uses the DCS-7504R3-FM instead.

Q: How many fabric modules does the chassis need?
A: The chassis uses six fabric slots (1-6), and this module is required in every one of them for 5+1 redundancy.

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