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Cisco GLC-LH-SM-20 Compatible 1000Base LH SFP 1310nm 20km LC SMF DDM Transceiver Module

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Cisco GLC-LH-SM-20 Compatible 1000Base LH SFP Transceiver Module (1310nm SMF 20km LC DDM)

The 1000Base LX SFP transceivers are high-performance, cost-effective modules supporting a data rate of 1.25Gbps and 20km transmission distance with SMF and support up to 10km link lengths over LC duplex SMF fiber. Each SFP transceiver module is individually tested to be used on a series of Cisco switches, routers, servers, network interface cards (NICs), etc.

Product Details

Cisco Compatible GLC-LH-SM-20Vendor Name FiberMall
Form Factor SFPMax Data Rate 1.25Gbps
Wavelength 1310nmMax Distance 20km 
Connector Duplex LCTransmitter Type 1310nm FP
Cable Type SMFReceiver Type PIN
TX Power -9.0~0dBmReceiver Sensitivity < -23.0dBm
Protocols SFF-8472 MSA Compliant, IEEE 802.3ah-2004Operation Temperature 0 to 70°C (32 to 158°F)


Quality Assurance

Excellent quality is the foundation of FiberMall' s survival and development. Our operation team are experts with many years' experiences in optical communication industry. Our manufacturers are first-class manufacturers in the industry. Many of them have the qualification of OEM for first-class system equipment manufacturers.

Quality Certification

We control the quality of our products, including our strict qualification of manufacturers, quality control process and production technology, and compliance with certification and safety standards. At present, our products meet the industry standards and mainstream quality certification, such as ISO 9001, CE, RoHS, FCC, etc.

Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall

our advantages

Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall

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Fast Delivery
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall

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Technical Support
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall

Worry-Free Guarantee

Shopping Satisfactorily
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall

Premium Quality

High stability

Rigorous Industrial ProductTesting

Optical communication products belong to industrial products,which require high stability and reliability.FIBERMALL adopts leading product design, first-class raw materials and production technology to ensure the first-class quality of our products, so that your project can be used, installed stably and reliably

Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall

Temperature Impact

High and low temperature cycle,aging test to ensure good temperature characteristics
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall

Mechanical Impact

Mechanicalvibration testing to ensure the stability of products
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall

EMI Testing

Excellent designand rigorous testing ensuregood EMI performance
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall

MTBF Testing

MTBF(Mean Time between Failures)testing ensure high stablility

100% 3rd Party Compatible

FiberMall Compatibility Testing Center has most of the mainstream brand switches and devices.Before shipment,We will code the optical modules or DAC/AOC cables,then test them on the corresponding switches to ensure that our products are 100% compatible with your system.

Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall
Coding(EEPROM Programming)
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall
Testing system

Partial test demonstartion

Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall
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ARISTA 7-50QX-32
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall
Juniper EX4300
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall
HW S5700-28X-L1-AC
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall
Brocade VDX 6720
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall
DELL S4048 ON
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall
DATACOM DM4100
Cisco GLC-LH-SM-20 Compatible 1000Baselx SFP 20km | FiberMall
H3C LS-5500-28C-S

Product Features

v Supports up to 10.7Gbps bit rates

v Single +3.3V power supply

v 1310nm FP laser and PIN photo detector, Up to 10km for SMF transmission

v Compliant with SFP MSA and SFF-8472 with duplex LC receptacle

v Compatible with RoHS

v Real-Time Digital Diagnostic Monitoring

v 1.25Gbps Optical systems

v 10GBASE-LW at 9.953Gbps

v 1.063Gbps Fiber Channel

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