Cisco GLC-SX-MMD SFP Module

Description

Cisco GLC-SX-MMD SFP Module is  1000BASE-SX SFP transceiver module, MMF, 850nm, DOM -option  This part is also known as CSC-GLCSXMMD.

Cisco GLC-SX-MMD SFP Module Product Overview

this SFP s designed for use with Cisco networking equipment and is functionally equivalent to Cisco part number GLC-SX-MMD=. This transceiver is manufactured to meet or exceed the specifications of the original Cisco unit and to comply with the Multi-Source Agreement (MSA) standards. Tripp Lite guarantees 100% compatibility with Cisco networking hardware and will initialize and perform identically to an OEM transceiver.

The information about the optical modules contained in the labels of the Cisco optical modules can help us distinguish optical modules. For example, SX and SR in optical module models represent short distances. Transmission, ZX, EXZ stands for long-distance transmission, etc. However, due to the variety and type of Cisco optical modules, we still easily confuse different types of optical modules. In this article, we will focus on the differences between Cisco GLC-LH-SMD, GLC-SX-MMD, and GLC-ZX-SM optical modules. Divided into several types of optical modules.

Cisco GLC-SX-MMD SFP Module Product Picture

Cisco GLC-SX-MMD SFP ModuleCisco GLC-SX-MMD SFP Module

Cisco GLC-SX-MMD SFP Module Specifications

Optical module modelGLC-LH-SMDGLC-SX-MMDGLC-ZX-SM
Optical module nameCisco GLC-LH-SMD SFP Gigabit optical moduleCisco GLC-SX-MMD SFP Gigabit optical moduleCisco GLC-ZX-SM SFP Gigabit optical module
Package TypeSFPSFPSFP
Rate1000Mbps1000Mbps1000Mbps
Center wavelength1310nm850nm1550nm
InterfaceDuplex LCDuplex LCDuplex LC
Fiber TypeMMF/SMFMMFSMF
Transmission distance10km550m70km
Transmit optical power-9~-3dBm-9.5~-3dBm0~5dBm
Receiving sensitivity<-21dBm<-17dBm<-24dBm
DOM FunctionSupportSupportSupport
Laser typeFP 1310nmVCSEL 850nmDFB 1550nm
Commercial temperature0~70°C0~70°C0~70°C
Application of optical modulesGigabit EthernetGigabit EthernetGigabit Ethernet
1000BASE-LXFiber ChannelFiber Channel
1000BASE-LH1000BASE-SX1000BASE-ZX
Compatible switchesCisco ME 3600Cisco Catalyst 3560Cisco Catalyst 2960
Cisco ME 3800Cisco Catalyst 3750Cisco Catalyst 3560
Cisco ME 3900Cisco Catalyst Express 500Cisco Catalyst Compact 2960

See the package type, speed, interface, and commercial temperature of the three optical modules are the same, but the other aspects are different. For example, we can see from the model. In addition to the “D” in the model of the GLC-ZX-SM optical module, the other two optical modules are available, and the “D” at the end of the model represents DOM work.From GLC-LH-SMD, GLC-SX-MMD, and GLC-ZX-SM optical modules. We can

Yes, this means that the GLC-ZX-SM optical module does not support DOM functionality, while the other two optical modules support it.

GLC-LH-SMD、GLC-SX-MMD、GLC-ZX-SM Comparison

These three optical modules are not absolutely good or bad, you need to choose the right optical module according to your network application. From a functional point of view. See, Cisco GLC-LH-SMD, GLC-SX-MMD optical modules have more DOM functions than GLC-ZX-SM optical modules, if you need to have DOM function For optical modules, it is not recommended to choose the GLC-ZX-SM optical module. If you need a long-distance optical module, it is recommended that you choose a GLC-ZX-SM optical module with a transmission distance of 70km; if it is a short-distance transmission, you can

Select the GLC-SX-MMD optical module with a transmission distance of 550m; if you need 10km data transmission, it is recommended that you select the GLC-LH-SMD optical module.

Cisco GLC-SX-MMD SFP Module Features

1,Cisco switch compatible…Comparable to GLC-SX-MMD=

2,Compliant with SFP Multi-Source Agreement (MSA) standards

3,1000Base-SX transceiver supports data transfer rates up to 1.25Gbps

4,300 meter transmission distance using 62.5/125 Multimode cabling

5,500 meter transmission distance using 50/125 Multimode cabling

6,850nm wavelength VCSEL Laser

7,Duplex LC Connector

8,Electrical interface compliant with SFF-8431

9,Supports Digital Diagnostic Monitoring (DDM)

10,Hot-pluggable





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