Arista DCS-7289-CH | 7280R3A Modular Chassis, 1 Supervisor, 9 Module Slots

Q: What components are required to make this chassis operational?
A: The DCS-7289-CH is an empty chassis. You'll need to purchase separately: a supervisor module, a 7289R3A switch card, I/O line cards for the 9 module slots, and power supplies (up to 4 for redundancy).

Q: What line cards are compatible with the DCS-7289-CH?
A: This chassis supports various 7280R3A I/O modules including 16-port 25G SFP, 16-port 100G QSFP, 4-port 400G QSFP-DD, and 4-port 400G OSFP line cards. All modules connect directly to the switch card without oversubscription.

Q: Can this chassis support both 100G and 400G interfaces simultaneously?
A: Yes, the 9 module slots allow for mixed configurations of different interface types including 25G, 100G, and 400G modules, providing up to 144 ports of 100G or 36 ports of 400G when fully populated.

Q: Is this chassis suitable for data center spine applications?
A: Absolutely. The 7280R3A modular platform is designed for high-performance spine and leaf deployments with deep packet buffers, lossless forwarding, large routing tables, and the capacity to handle demanding data center workloads.

Q: What power supply options are available?
A: The chassis supports up to 4 hot-swappable AC or DC power supplies (sold separately) providing redundancy and sufficient capacity for all line cards and modules. Common PSU models include PWR-2021-AC and PWR-2021-DC.