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What does the GE SFP LC connector SX transceiver on the Cisco switch mean

From the model point of view on the label, the “GE” refers to the Gigabit Ethernet; “SFP LC connector” means that this Cisco switch supports the SFP transceiver with LC interface; and “SX” says that this SFP transceiver should be the short transmission distance multi-mode fiber optic transceiver.


In conclusion, the “GE SFP LC connector SX transceiver” means that this Cisco switch supports the Gigabit Ethernet multi-mode SFP transceiver with LC interface and short transmission distance.


Gigabit SFP Transceiver


If you would like to buy the related fiber optic transceiver for your switches, it will convenient for you to choose the suitable module according to this knowledge.


SOPTO supplies fiber optic transceivers like “GE SFP LC connector SX transceiver”, which are compatible with Cisco and other brands. Any demand, please feel free to contact.

1.25Gbps SFP 40km Reach 1550nm

1.25Gbps 40km 1550nm SFP Optical Transceiver.Data-rate of 1.25Gbps operation 1550nm DFB laser and PIN photo detector for 40km transmission. Compliant with SFP MSA and SFF-8472 with duplex LC receptacle. Digital Diagnostic Monitoring: Internal Calibration or External Calibration. Compatible with SONET OC-24-LR-1. Compatible with RoHS

1.25Gbps SFP 40km Reach 1310nm
1.25Gbps 40km 1310nm SFP Optical Transceiver. +3.3V single power supply. Operating case temperature: Standard: 0 to +70°C. Industrial: -20 to +85°C
1.25Gbps SFP 2km Reach 1310nm
1.25Gbps 2km 1310nm SFP Optical Transceiver. Applications: Gigabit Ethernet, Fiber Channel, Switch to Switch interface, Switched backplane applications, Router/Server interface, Other optical transmission systems

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1. Optical Interface is polluted and damaged.The pollution and damage of the optical interface causes the optical link loss become large, resulting in the optical link fails. Reason as follows:A. The interface is explored in the environment so that the dust pollutes the interface.B. The fiber connector which is used has been polluted so that it causes the secondary pollution.C. Improper use of the interface of the optical connector with pigtail. D. The use of poor quality fiber optic connectors. 2. ESDM damageESD is the abbreviation of Electro Static Discharge.  ESD can produce tens of kv/m of electromagnetic pulse and even more.Static electricity will absorb dust, changing impedance

Compatibility verification

Compatibility verification is the analysis of the modules' work environment to meet the data sheet or compatibility and related standards. The performance of the module only in this compatibility work environment can be guaranteed. In some cases, due to environmental parameters beyond the data sheet or standard, it will cause the module performance degradation, thereby transmission error. Work environment and the module are compatible: 1) Voltage outside the specified range;2) Received optical power overload or lower than the receiver sensitivity;3) The temperature is outside the operating temperature range. SOPTO’s high quality fiber optic transceiver modules are 100% compatible with

Development Trends of Fiber optic transceiver

The fiber optic transceivers in continuous development and improvement of the equipment also raised many new requirements. First, the fiber optic transceiver product is not enough intelligence. For example, when the optical fiber transceiver broken, the mouth the other side of the power of most products will still remain open, the top equipment such as routers, switches, etc. are still will continue to the electrical port contract, the data is not up . I hope the majority of equipment providers can automatically switch on the fiber optic transceivers, up alarm automatically when out of optical path DOWN, electrical interface, and to prevent the upper equipment to continue to the port to
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