Cisco

Cisco WS-X4920-GB-RJ45 | 20x 1G RJ45 (half-card) | PoE: None | Uplinks: 0 | License: N/A

Cisco WS-X4920-GB-RJ45 | 20x 1G RJ45 (half-card) | PoE: None | Uplinks: 0 | License: N/A

SKU:WS-X4920-GB-RJ45

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Description

Half-slot 20-port 10/100/1000BASE-T RJ‑45 module for the Catalyst 4900M platform. Adds dense copper Gigabit access while preserving modular flexibility—two half cards can share a single slot. Non‑PoE design for data-only endpoints.

Features

- 20-port copper Gigabit expansion for Catalyst 4900M
- Half-card design for flexible slot utilization
- Auto MDI/MDI-X and auto-negotiation on all ports
- Non-PoE for data-only access scenarios
- Simple copper cabling with RJ-45 interfaces

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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FAQs

Technical Specifications

FAQs

Q: Is this card compatible with the Catalyst 4900M chassis?
A: Yes. It is designed specifically for the Catalyst 4900M.

Q: Can I install two of these in one slot?
A: Yes. Two half-cards can populate a single 4900M slot.

Q: Does this module support PoE?
A: No. It is a non‑PoE copper module.

Q: Are SFP transceivers required?
A: No. Ports are RJ‑45 copper and do not use SFPs.

Q: Are there any license requirements for use?
A: No per‑module license is required; capabilities depend on the chassis software.

Technical Specifications

- Ports: 20x 10/100/1000BASE-T (RJ-45)
- Form factor: Half-slot card for Catalyst 4900M
- PoE: Not supported
- Uplinks: None on module (use chassis/supervisor uplinks)
- Pairing: Two half-cards can be installed in one 4900M slot
- Per-port features: Auto-negotiation, Auto MDI/MDI-X
- Use case: High-density copper GE access for server or user edge

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