Description

CISCO GLC-LH-SMD SFP Module is one of the most popular optical modules at the present times.

Modules Interface Wavelength Tx power Receiver Sensitivity DOM Support Temperature Range
Cisco GLC-LH-SM LC duplex 1310nm -9.5 ~ -3dBm < -23dBm No 32℉to 158℉ (0℃to 70℃)

This model is an MSA protocol compliant connectivity solution that connects a Gigabit Ethernet port or slot to an optical fiber network. It is also known as 1000BASE-LX / LH SFP transceiver.

CISCO GLC-LH-SMD SFP Module Product Picture

CISCO GLC-LH-SMD SFP ModuleCISCO GLC-LH-SMD SFP Module

CISCO GLC-LH-SMD SFP Module Specification

Optical module model GLC-LH-SMD Package type SFP
Center wavelength 1310nm Rate 1000Mbps
Interface Duplex LC The maximum transmission distance 10km
Laser type FP 1310nm Fiber type MMF/SMF
DOM function Support Transmit optical power -9~-3dBm
Receiving sensitivity <-21dBm Commercial temperature 0~70℃

CISCO GLC-LH-SMD SFP Module and Related Models

Optical module model GLC-LH-SMD GLC-SX-MMD GLC-ZX-SM
Optical module name Cisco GLC-LH-SMD SFP Gigabit optical module Cisco GLC-SX-MMD SFP Gigabit optical module Cisco GLC-ZX-SM SFP Gigabit optical module
Package Type SFP SFP SFP
Rate 1000Mbps 1000Mbps 1000Mbps
Center wavelength 1310nm 850nm 1550nm
Interface Duplex LC Duplex LC Duplex LC
Fiber Type MMF/SMF MMF SMF
Transmission distance 10km 550m 70km
Transmit optical power -9~-3dBm -9.5~-3dBm 0~5dBm
Receiving sensitivity <-21dBm <-17dBm <-24dBm
DOM Function Support Support Support
Laser type FP 1310nm VCSEL 850nm DFB 1550nm
Commercial temperature 0~70°C 0~70°C 0~70°C
Application of optical modules Gigabit Ethernet Gigabit Ethernet Gigabit Ethernet
1000BASE-LX Fiber Channel Fiber Channel
1000BASE-LH 1000BASE-SX 1000BASE-ZX
Compatible switches Cisco ME 3600 Cisco Catalyst 3560 Cisco Catalyst 2960
Cisco ME 3800 Cisco Catalyst 3750 Cisco Catalyst 3560
Cisco ME 3900 Cisco Catalyst Express 500 Cisco Catalyst Compact 2960

GLC-LH-SMDGLC-SX-MMDGLC-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-LH-SMD SFP Module Features

1st, Hot swappable to maximize uptime and simplify serviceability

2nd, Flexibility of media and interface choice on a port-by-port basis, so you can “pay as you populate”

3rd, Robust design for enhanced reliability

4th, Supports digital optical monitoring (DOM) capability





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