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The classified introduction of 10G optical module

The classified introduction of 10G optical module. For the integrated level of optical fiber module is higher and higher, the function of 10G Ethernet optical interface can be realized by an optical module completely.

 

The 10G optical module mainly includes the light/electricity conversion, clock extraction and synchronization, multiplexing / de-multiplexing, 64B/66B coder and decoder ,WIS, 8B/10B coder and decoder and so on.

 

The currently use of 10G optical module includes 10G XENPAK, 10G XPAK, 10G X2, 10G XFP and 10G SFP+. XPAK and X2 are the directly improved version of XENPAK, and the size is reduced by about 40%.

 

XFP module has a compact appearance which is similar to the Gigabit Ethernet pluggable optical module (SFP).And it is cheap. The widely used of optical module is 10G SFP+.

10G 850nm 300m SFP+ Optical Transceiver Module

10G SFP+ SR 850nm 300M. Optical interface compliant to IEEE 802.3ae 10GBASE-SR, Electrical interface compliant to SFF-8431, Hot Pluggable, 850nm VCSEL transmitter, PIN photo-detector, Maximum link length of 300m on 2000MHz/km MMF, Operating case temperature: 0 to 70℃, Low power consumption

Related Tutorials

Reason and Maintenance methods:

A1.1 Emission component TOSA is bad. Maintenance method is to replace the TOSA.A1.2 The TOSA PINs PD+ is welded badly so that the power is so large. But when debug the software, the power won’t be changed. Maintenance method is to weld the pin better.A1.3 Power and resistance don't match with the BIAS optical bias current. Maintenance method is to improve the power and resistance. A2.1 Emission component TOSA is bad. The maintenance method is to replace the TOSA.A2.2 Paste is bad or poor performance of driver chip. The repair method is to re-paste driver chip or to replace the chip.A2.3 Power and resistance don't match with the BIAS optical bias current. Maintenance method is to reduce

Reason and Maintenance methods of common problem of optical module externally

1. Power light does not light.Reason: Power supply fault. Maintenance method: Replace the power supply. 2. Link lights are not lit.Failure may be as follows:(A) Check whether the fiber lines circuit breakers(B) Check whether the fiber line loss is too great, over equipment reception range(C) Check whether the optical interfaces are connected properly, local TX and RX connections from afar, TX and RX connections of the local in the distance.(D) Check whether the optical fiber connector intact, insert a device interface, jumper type matches the device interfaces, device type matches the fiber, equipment transfer length matches the distance. 3. The circuit Link light does not light.Failure

Important reason for the optical module functional failure

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
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