Cisco 32-Port Catalyst 4500 Module WS-X4232-GB-RJ= 데이터 시트
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WS-X4232-GB-RJ=
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DATA SHEET
CISCO CATALYST 4500 SERIES LINE CARDS
PRODUCT OVERVIEW
Fast Ethernet and Gigabit Line Cards
The Cisco
®
Catalyst
®
4500 Series scalable, modular, high-density switches deliver high performance, and integrated Layer 2, 3, and 4 switching
with intelligent services for network control and resiliency. These switches offer a variety of Fast Ethernet and Gigabit Ethernet line cards that
include fiber and copper interfaces optimized for desktops, branch office backbones and servers for enterprise and commercial switching solutions,
and service provider metropolitan Ethernet networks. Gigabit Ethernet line cards include cost-effective, high-performance 1000BASE-X gigabit
interface converter (GBIC) and Small Form Factor Pluggable (SFP)-based Gigabit Ethernet line cards and the high density 10/100/1000BASE-T
triple-speed autosensing, autonegotiating Gigabit Ethernet line cards. Fast Ethernet line cards include various densities of wire-speed 10/100,
100-FX, 100BASE-LX10, and 100BASE-BX-D options.
Power over Ethernet Line Cards
The Cisco Catalyst 4500 Series offers line cards, power supplies, and accessories required to deploy and operate a standards-based Power over
Ethernet (PoE) internetwork. PoE provides—48 VDC power over standard Category 5 unshielded twisted-pair (UTP) cable up to 100 meters when
an IEEE 802.3af-compliant or Cisco prestandard powered device is attached to the PoE line card port. Instead of requiring wall power, attached
devices such as IP phones, wireless base stations, video cameras, and other IEEE-compliant appliances can use power provided from the Cisco
Catalyst 4500 Series PoE line cards. This capability gives network administrators centralized control over power and eliminates the need to install
outlets in ceilings and other out-of-the-way places where a powered device may be installed.
Although all references to “PoE,” “inline-power,” and “voice” power supplies and line cards are synonymous, there are only two versions: Cisco
prestandard and IEEE 802.3af compliant. Every Cisco Catalyst 4500 Series chassis and PoE power supply supports the IEEE 802.3af standard, and
the Cisco prestandard power implementation ensuring backward compatibility with existing Cisco powered devices. All IEEE 802.3af compliant line
cards can distinguish an IEEE or Cisco prestandard powered device from an unpowered network interface card (NIC); ensuring power is applied only
when an appropriate device is connected.
Ethernet in the First Mile
Cisco Catalyst 4500 Series line cards for delivering Ethernet in the First Mile (EFM) fulfill the high-density, high-bandwidth, and long-reach
requirements of network operators to build the next-generation metropolitan-area networks. Cisco Catalyst 4500 Series EFM line cards let service
providers deliver any combination of data, voice, and video services over a single optical connection to homes, business parks, and multitenant units.
EFM line cards also are appropriate for manufacturing facilities, transportation monitoring, and fiber-to-the-desktop applications. Ethernet over fiber
enables operation in noisy electromagnetic environments, providing physical security and longer reaches with the same well-understood Ethernet
transport. EFM line cards include 1000-BASE-X, 100-FX, 100BASE-LX10, and 100BASE-BX-D for fiber-based options and 10/100 or
10/100/1000BASE-T line cards for copper-based options when media converters are used.