Used Cisco Switching Module
Part # WS-X4148-RJ21
Product
Description: Cisco Catalyst 4000 Series - Cisco Switching
Module, Expansion module - 10/100,
48 Ports Telco (3 x RJ-21); Plug-in module; Ports Qty: 48 x Ethernet
10Base-T, Ethernet 100Base-TX; Data Transfer Rate: 100 Mbps;
Ethernet, Fast Ethernet; Full duplex capability with Compliant
Standards: IEEE 802.3, IEEE 802.3U. Enterprise and
Commercial: High-port-density solution with improved cable
management connectors for desktop connectivity.

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