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Current TAG : SFP Transceiver

The Difference Between X2 and SFP

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.The 10-Gigabit Ethernet X2 transceiver module is a hot-swappable I/O device that plugs into 10-Gigabit Ethernet ports. Figure 1 show..

What is the difference between SFP and XFP?

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. The XFP (10 Gigabit Small Form Factor Pluggable) is a standard for transceivers for high-speed computer network and telecommunication links that use optical fiber. It was defined by an industry group in 2002, along with its interface to other electrical components, which is called XFI. XFP modules are hot-swappable and protocol-independent. They typically operate at near-infrared wavelengths (colors) of 850 nm, 1310 nm or 1550 nm. Principal applications inc..

Cisco Optical Module Decryption Method

Cisco devices can only support Cisco brand optical module. While other brands optical modules absolutely can’t be supported. If you obstinately plug in the other optical modules into the Cisco port, information like “Unsupport” or “Unknown” will be displayed. The log shows one or several of the following circumstances:PM_SCP-SP-3-TRANSCEIVER_UNSUPPORTED: Unsupported transceiver in LAN portPHY-4-CHECK_SUM_FAILED: SFP EEPROM data check sum failed for SFP interface Gi1/0/25GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port Gi1/0/25 has bad crcPM-4-ERR_DISABLE: GBIC-invalid error detected on Gi1/0/25, putting Gi1/0/25 in err-disable stateWhy does this happen?Cisco SFP security key mechanism prevents the use of non-Cisco SFP to ensure quality and compatibility. Each SFP is encoded using extraordinary software key. If a SFP module does not contain a valid key, then the port will be closed when the SFP inserted into Cisco switch. And  the port will not send or receive any data packet...

The difference between XENPAK and SFP

Definition:XENPAK is a multisource agreement (MSA), instigated by Agilent Technologies and Agere Systems, that defines a fiber-optic or wired transceiver module which conforms to the 10 Gigabit Ethernet (10GbE) standard of the Institute of Electrical and Electronics Engineers (IEEE) 802.3 working group. The MSA group received input from both transceiver and equipment manufacturers during the definition process. XENPAK has been replaced by more compact devices providing the same functionality.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..
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