• Silver-colored arista dcs-7804-fcm rack-mounted network switches with ports and ventilation slots on the back side
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Arista

Arista DCS-7804-FCM | 7800 Fabric Cooling Module for 7804, Slot 6, 44W

DCS-7804-FCM

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Description

The Arista 7800 Fabric Cooling Module is a hot-swappable cooling unit for the 7804 four-slot modular chassis in the Arista 7800 Series. It installs in fabric slot 6 and provides front-to-rear airflow for the fabric modules, suiting hot-aisle and cold-aisle data centre layouts. It is used in 7804 chassis deployed as AI/ML spine, data centre spine, data centre interconnect and service provider core switches.

This module is specific to the 7804 chassis, which occupies 10RU. It draws 44 W typically and 137 W at maximum from the chassis power supplies and needs no separate power connection. Fans are individually serviceable, and the design provides N+1 fan redundancy with dynamic temperature control. Spare fan modules use part number FAN-7800-HS.

It works alongside DCS-7804R3-FM or DCS-7804R4-FM fabric modules in slots 1-5 and is compatible with 7800R3 and 7800R4 systems. No licence is required. Cooling modules for other chassis in the range are DCS-7808-FCM, DCS-7812-FCM and DCS-7816L-FCM.

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

Features

- Occupies fabric slot 6 of the 7804 chassis alongside five fabric modules in slots 1-5
- Hot-swappable without taking the system out of service
- Front-to-rear airflow suited to hot-aisle and cold-aisle data centres
- Individually serviceable fans
- N+1 fan redundancy with dynamic temperature control
- Compatible with 7800R3 and 7800R4 systems

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

- Part number: DCS-7804-FCM
- Product type: Fabric cooling module
- Chassis support: DCS-7804 (4 line card slots, 10RU)
- Slot: Fabric slot 6 (fabric modules use slots 1-5)
- Power draw (typical): 44 W
- Power draw (maximum): 137 W
- Airflow: Front-to-rear (port side to fan side)
- Serviceability: Hot-swap FRU with individually serviceable fans
- Redundancy: N+1 fan redundancy with dynamic temperature control
- Spare fan module: FAN-7800-HS
- System compatibility: 7800R3 and 7800R4

FAQs

Q: Which chassis does this cooling module fit?
A: It is designed for the Arista DCS-7804 four-slot chassis and installs in fabric slot 6. Cooling modules for other chassis in the range are DCS-7808-FCM, DCS-7812-FCM and DCS-7816L-FCM.

Q: Does it need a licence?
A: No. It is a passive hardware module and requires no licence.

Q: How much power does it draw?
A: It draws 44 W typical and 137 W maximum from the chassis power supplies. It needs no separate power connection.

Q: Which fabric modules does it work with?
A: It is used with DCS-7804R3-FM or DCS-7804R4-FM fabric modules in slots 1-5 of the 7804 chassis.

Q: Which spare fan module does it use?
A: Spare fan modules use part number FAN-7800-HS. Individual fans can be serviced without replacing the whole module.

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