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Cisco GBIC Product Line Application

The word GBIC is an IT industry term which stands for Gigabit Interface Converter. A GBIC is a variety of Optical Transceiver, which is designed to convert serial electric signals into serial optical signals. GBIC modules are typically inserted into a network switch in order to connect a Fiber Optic system with an Ethernet system. The most common applications where GBIC modules are used include Fibre Channel and Gigabit Ethernet.The GBIC is fully hot swappable, which adds to its flexibility and ease of installation. It has become a standard form factor for optical transceivers, and can support a variety of physical media, from legacy copper to long wave single mode fiber up to lengths of hundreds of kilometers. Cisco GBIC modules and 3rd party equivalent, MSA (Multi Source Agreement) compliant modules can be interchanged on a wide variety of Cisco products and can be intermixed in combinations of 1000BASE-T, 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-ZX, 1000BASE-CWDM, or 1000BASE-DWDM..

Fiber Optic Solutions for Cisco C3KX-NM-10G Module

SFP stands for “Small Form-factor Pluggable”. SFP transceiver is used for Fast Ethernet applications. Switch with a Cisco C3KX-NM-1G module can support SFP. But with the increasing needs for higher data rates, 1 Gbps speed is not enough. Thus, SFP+ (Small Form-factor Pluggable Plus) is created as an expansion of SFP to support data rates up to 10 Gbps or even higher over fiber. Accordingly, switch with a Cisco C3KX-NM-10G module (shown as the following picture) is produced to support both SFP and SFP+ transceivers.C3KX-NM-10G OverviewC3KX-NM-10G module fits most Cisco Catalyst 3650-X and 3750-X switches. So you can just upgrade modules instead of replacing them when you need higher transmission speeds. Besides, it’s easy to be configured so that network designers can mix and match the type of transceivers with their own port module preferences. C3KX-NM-10G module has two installation screws on each side, which make it easy to switch things out and make new connection without a fuss.C3K..

What is LX and EX in Transceiver?

Definition:The small form-factor pluggable (SFP) is a compact, hot-pluggable transceiver used for both telecommunication and data communications applications. The form factor and electrical interface are specified by a multi-source agreement (MSA) under the auspices of the SFF Committee. It interfaces a network device motherboard (for a switch, router, media converter or similar device) to a fiber optic or copper networking cable. It is a popular industry format jointly developed and supported by many network component vendors. SFP transceivers are designed to support SONET, gigabit Ethernet, Fibre Channel, and other communications standards. Due to its smaller size, SFP obsolesces the formerly ubiquitous gigabit interface converter (GBIC); the SFP is sometimes referred to as a Mini-GBIC. In fact, no device with this name has ever been defined in the MSAs. SFP transceivers are available with a variety of transmitter and receiver types, allowing users to select the appropriate tran..

What is 1000BASE-X?

Definition:1000BASE-X is a group of standards for Ethernet physical layer standards, specified within the IEEE 802.3.z standard.It is used for gigabit Ethernet connections that transmit data mainly over fiber optic cable, and sometimes over copper-shielded cable.1000BASE-X consists of various standards. These include:1000BASE-CX (Copper) 1000BASE-KX 1000BASE-SX 1000BASE-LX (both for single- and multi-mode fiber) 1000BASE-LX10 1000BASE-EX 1000BASE-ZX The range of 1000BASE-X starts at 25 meters for copper and can be extended to 70 km with a single-mode fiber channel. All of these standards use an 8b/10b encoding scheme, in which 8 bits are used for data transmission and 2 for error correction.The first letter tells us which kind of wire we are talking about: “T” means twisted-pair cable (e.g. the common Cat5 in use today)“K” means a copper backplane“C” means balanced copper cable“F” means optical cable“B” uses two wavelengths over a single optical ..
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