Cisco GLC-LH-SM compatible 1000Base 1310nm 20km SFP Module transceivers |
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Cisco GLC-LH-SM compatible 1.25Gb/s SFP 1310nm 20km DOM Module

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Cisco Compatible 1.25Gb/s 1310nm 20km DOM Module 



Item Specifications


Original Part Number


Vender Name Rollball 
Form type SFP Max Data Rate 1.25Gb/s
Max Cable Distance:

20KM Over OM2

Wavelength   1310nm
Cable Type  SMF Fiber connector LC Duplex 
Optical Components  FP 1310nm Operate Temperature  0 to 70°C (32 to 158°F) 
TX Power -19~-10dBm Receiver Sensitivity <-32dBm
Certificates CE, ROHS,FCC, SGS DOM Support Yes 
Is_customized  Yes  Warranty  3 years 




• Gigabit Ethernet

• Fiber Channel

• Switch to Switch interface

• Switched backplane applications

• Router/Server interface

• Other optical transmission systems





• The SFP transceivers are high performance, cost effective modules supporting dual data-rate of 1.25Gbps/1.0625Gbps and 20km transmission distance with SMF.

 The transceiver consists of three sections: a FP laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.

 The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.








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