• Cisco N9K-X9788TC-FX switch with silver rectangular design, black ports and buttons
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Cisco

Cisco N9K-X9788TC-FX | Switch: 48x1/10GBase-T + 4x100G QSFP28 | ACI/NX-OS

N9K-X9788TC-FX

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Description

Access/aggregation line card combining 48 copper 1/10GBase‑T server/edge ports with 4 high-speed 100G QSFP28 uplinks for fast core connectivity. Suits mixed copper access with 100G fabric uplinks in either standalone NX-OS or Cisco ACI deployments.

Features

- 48-port 1/10GBase‑T access with flexible copper cabling
- 4x100G QSFP28 high-speed uplinks for fabric/core connectivity
- Operates in NX-OS standalone or Cisco ACI environments
- Hot-swappable module simplifies maintenance and upgrades
- Ideal for mixed copper access and high-speed aggregation

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: Modular switch line card (access/aggregation)
- Downlink ports: 48 x 1/10GBase‑T (RJ-45, auto-negotiation)
- Uplink ports: 4 x 100G QSFP28
- Operational modes: NX-OS standalone and Cisco ACI fabrics
- Transceiver support (uplinks): QSFP28 SR4/LR4/PSM4/CWDM4 per platform matrix
- Downlink cabling: Cat6a (recommended for 10GBase‑T)
- Hot-swappable: Yes
- Compatible chassis: Cisco Nexus 9500 Series (e.g., 9504/9508/9516) with compatible supervisors/fabric modules
- Use cases: Copper server access with 100G fabric uplinks, mixed media aggregation

FAQs

Q: Do the 10GBase‑T ports support 1G and 10G?
A: Yes. The RJ‑45 ports typically support 1G/10G auto-negotiation; use Cat6a or better for stable 10G links.

Q: Which optics are supported on the 100G uplinks?
A: QSFP28 SR4 for MMF short reach and LR4/CWDM4 for SMF long reach are commonly supported. Verify exact optic compatibility for your supervisor/line card combination.

Q: Can this line card run in both NX-OS and ACI modes?
A: Yes. It supports both modes with appropriate chassis supervisors and software versions.

Q: Is PoE provided on the copper ports?
A: No. These 1/10GBase‑T ports are data-only and do not provide PoE.

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