WS-X4148-RJ21 (USADO)

The Cisco WS-X4148-RJ21 (USED) is a Catalyst 4500 10/100 Module with 48-Ports Telco (4xRJ21) Linecard. Ideal for network engineers and IT infrastructure managers, this reliable and cost-effective module enhances network performance and scalability within enterprise environments.

WS-X4148-RJ21 Product Highlights

• ● 48-Port Telco linecard
• ● Supports 10/100 Mbps speeds
• ● Designed for Catalyst 4500
• ● High-density connectivity
• ● Easy to integrate

Product Features Comparison

Model	Port Speed	Number of Ports	Form Factor	Compatibility	Advanced Features
WS-X4148-RJ21	10/100 Mbps	48	Telco (4xRJ21)	Catalyst 4500	High-density connectivity
WS-X4148-RJ45V	10/100 Mbps	48	RJ-45	Catalyst 4500	Voice over IP (VoIP)
WS-X4248-RJ45	10/100 Mbps	48	RJ-45	Catalyst 4000, 4500	Layer 3 Switching
WS-X4013+	10/100/1000 Mbps	16	GBIC	Catalyst 4500	Supervisor Engine III
WS-X4148-RJ45	10/100 Mbps	48	RJ-45	Catalyst 4500, 4506	Advanced QoS
WS-X4418-GB	1000 Mbps	18	GBIC	Catalyst 4500	Gigabit Ethernet
WS-X4516	40 Gbps	N/A	Supervisor Engine	Catalyst 4500	Redundancy Capabilities

WS-X4148-RJ21 Product Application Scenarios

• ● Enterprise-level network expansion
• ● Corporate data center integration
• ● High-density connectivity for offices

Optional Add-ons

Model	Description
CAB-RJ21-25TEL	25-ft RJ21 Telco Cable
CAB-RJ21-50TEL	50-ft RJ21 Telco Cable
PWR-C45-2800ACV	Catalyst 4500 AC Power Supply

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