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WS-X4548-GB-RJ45

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WS-X4548-GB-RJ45
Manufacturer: Cisco
Product ID: WS-X4548-GB-RJ45
Product Description: Catalyst 4500 Enhanced 48-Port 10/100/1000 Base-T (RJ-45)
Shipping: Typically ships within 2-3 days
Warranty: Lifetime Warranty
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Pre-Owned, Used And Refurbished Cisco WS-X4548-GB-RJ45

The Cisco Catalyst 4500 Enhanced 48Port 10/100/1000 Base-T RJ-45 is a forty-eight 10/100/100Base-T LAN port switching module designed for Gigabit Ethernet. With Category 5 UTP 10/100/1000Base-T connectivity, the WS-X4548-GB-RJ45 boasts auto-negotiating technology, multi-seed autosensing, and is a cost-efficient wiring-closet investment due to its ability to allow Fast Ethernet desktops to upgrade to Gigabit Ethernet without the need to replace the switch line cards.

In addition, the WS-X4548-GB-RJ45 offers the propensity to, due to its 48 ports being grouped into six groups of eight ports per group, utilize common circuitry within each group effectively multiplexing the group into a unified, non-blocking, full-duplex Gigabit Ethernet connection, so that it connects to the internal switch fabric. Frames received within each group of ports are buffered and then sent to the shared Gigabit Ethernet link to the internal switch fabric. The flow is controlled by sending pause frames to the remote port which temporarily stops traffic, preventing frame loss, if the amount of data ever exceeds buffer capacity.

Here at MLCP, we're proud of our reputation of providing discounted refurbished equipment to our customers affordably and quickly. But what we're most proud of is that the hardware we sell is of the highest possible quality. We ensure this by testing all used and pre-owned equipment twice - once upon receipt and again before shipping it to our customers - making certain that it meets factory specifications. Your Cisco WS-X4548-GB-RJ45 purchase, regardless of whether it is new or refurbished, comes with our standard lifetime warranty.

Are you ready to upgrade or downsize? MULTI-LINK offers generous trade-in credit for Cisco WS-X4548-GB-RJ45 and other networking equipment. With several methods to help capitalize your surplus equipment and maximize your ROI, we invite you to visit our Investment Recapture Page or contact us at 1-800-TO MULTI (866-8584) to discuss how we can help extend your networking budget. We're happy to help you sell us your surplus hardware.

You might also be interested in WS-C4503-E-S2+48V.

General Information
Manufacturer: Cisco
Product ID: WS-X4548-GB-RJ45
Product Description: Catalyst 4500 Enhanced 48-Port 10/100/1000 Base-T (RJ-45)
Product Type: Switching Module
Marketing Information
48-port 10/100/1000-Mbps Gigabit Ethernet (RJ-45) WS-X4548-GB-RJ45 (power-efficient). This module, with multispeed autosensing, autonegotiating technology, provides wiring-closet investment protection by allowing Fast Ethernet desktops to migrate to Gigabit Ethernet in the future, without replacing the switch line cards
Technical Information
Application/Usage: Switching Network
Interfaces/Ports
Total Number of Ports: 48
Connector Type: RJ-45
Interfaces/Ports Details: 48 x RJ-45 10/100/1000Base-T Auto-sensing/Auto-negotiating LAN
Media & Performance
Media Type Supported: Twisted Pair
Twisted Pair Cable Standard: Category 5
Ethernet Technology: Gigabit Ethernet
Network Technology: 10/100/1000Base-T
Maximum Data Transfer Rate: 100
Miscellaneous
Additional Information:
  • The 48 ports can burst to Gigabit Ethernet line rate and can share 12 Gbps of full-duplex bandwidth into the switching fabric
  • amount of oversubscription can be controlled simply by varying the number of ports used at 1000 Mbps
  • All ports use the standard IEEE 802.3x flow-control (pause frame) mechanism to control Gigabit Ethernet host traffic.
  • The WS-X4548-GB-RJ45 switching module have 48 oversubscribed ports in six groups of eight ports each:
  • Ports 1, 2, 3, 4, 5 ,6, 7, 8
  • Ports 9, 10, 11, 12, 13, 14, 15, 16
  • Ports 17, 18, 19, 20, 21, 22, 23, 24
  • Ports 25, 26, 27, 28, 29, 30, 31, 32
  • Ports 33, 34, 35, 36, 37, 38, 39, 40
  • Ports 41, 42, 43, 44, 45, 46, 47, 48
  • The eight ports within each group use common circuitry that effectively multiplexes the group into a single, nonblocking, full-duplex Gigabit Ethernet connection to the internal switch fabric. For each group of eight ports, frames received are buffered and sent to the common Gigabit Ethernet link to the internal switch fabric. If the amount of data received for a port begins to exceed buffer capacity, flow control sends pause frames to the remote port to temporarily stop traffic and prevent frame loss.
Compatibility:
  • Cisco Catalyst 4000 Series

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