What is the difference between GLC SX MMD and GLC-SX-MM?

GLC-SX-MM vs GLC-SX-MMD GLC-SX-MM is a legacy model, it doesn’t feature DOM function and is EOL, it comes with the lowest price compared with the others. GLC-SX-MMD is the replacement of GLC-SX-MM which features an enhanced DOM interface, but with a more expensive price.

What is GLC SFP?

Cisco GLC-T SFP is a 1000BASE-T Small Form-Factor Pluggable RJ45 interface converter. It can be inserted into Gigabit Ethernet ports to connect ports to the network. GLC-T SFP transceiver provides 1Gbps data transmission. Besides, it supports the full-duplex Gigabit Ethernet connection for the high-end workstation.

Is SX single mode or multimode?

The SX systems operate full-duplex with multimode fiber only, using the cheaper 850nm wavelength laser diodes. The maximum distance supported varies between 220 and 550 meters depending on the bandwidth and attenuation of the fiber optic cable used.

Is GLC-LH-SMD single mode or multimode?

Cisco GLC-LH-SMD 1000BASE-LX/LH SFP is made for Both Multimode and Single-Mode Fibers. The 1000BASE-LX/LH SFP, compatible with the IEEE 802.3z 1000BASE-LX standard, operates on standard single-mode fiber-optic link spans of up to 10 km and up to 550 m on any multimode fibers.

Can I use a multimode SFP on single mode fiber?

So technically speaking – it is possible to connect multimode SFP with Single mode fiber – but connection will be unreliable, unpredictable and very short.

What does GLC stand for Cisco?

Cisco SFP Gigabit Ethernet Transceiver Module
The Cisco SFP Gigabit Ethernet Transceiver Module (GLC-LH-SMD) is a Cisco 1000BASE-LX/LH small form-factor pluggable (SFP) Gigabit Ethernet transceiver.

How do I know if SFP is multimode?

Multi-mode SFP Color Coding As with Singlemode SFPs, Multi-Mode SFPs are identified by the color of the Bale Clasp: Black color coded bale clasp designates a Multi-mode SFP. The color of the compatible fiber optic patch cord or pigtail is orange.

What does SFP stand for?

small form-factor pluggable
SFP stands for “small form-factor pluggable.” SFP transceivers are compact and hot-pluggable devices that act as an interface between networking equipment (switch, router, network card) and interconnecting cabling (copper or fiber).

Why is single mode better than multimode?

The single mode gives a higher transmission and up to 50 times more distance than the multimode. The core from a single mode cable is smaller than one from a multimode. It designed to transmit data over long distances, thus making it perfect for cable television networks or college campuses.

Is 1000 base LX Multimode?

1000BASE-LX can run over both single mode fiber and multimode fiber with a distance of up to 5 km and 550 m, respectively. For link distances greater than 300 m, the use of a special launch conditioning patch cord may be required.

How do I know if my SFP is single mode or multimode?

As with Singlemode SFPs, Multi-Mode SFPs are identified by the color of the Bale Clasp:

1. Black color coded bale clasp designates a Multi-mode SFP.
2. The color of the compatible fiber optic patch cord or pigtail is orange.

Will single mode work over multimode?

A: Generally speaking, the answer is “no”. Large optical loss will occur if a multimode transceiver is connected with single mode fiber. However, the opposite will work. For example, 1000BASE-LX single mode SFP can work on multimode fiber cable by using mode conditioning fiber cable.

How does the Cisco GLC-SX-MMD SFP transceiver module work?

Connect your switch or router to the network with this Cisco® GLC-SX-MMD SFP Transceiver Module. It has a hot-swappable design, which simplifies servicing and maximizes uptime. An Ethernet connector on this module provides compatibility with a wide variety of network devices. It has a self-locking mechanism that ensures proper installation.

Is the GLC-SX-MMD Class 1 laser transceiver?

We guarantee the GLC-SX-MMD transceiver module to work in your system and all of our GLC-SX-MMD transceiver modules come with a lifetime warranty. The GLC-SX-MMD is a Class 1 laser product. It fully complies with the multi-sourcing agreement (MSA) which enables it to work in all MSA compliant platforms.

Is the Cisco GLC-SX-MMD supported by warranty?

Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected. Cisco GLC-SX-MMD is supported on a wide range of Cisco equipment.

What are the benefits of Cisco SFP GLC module?

Figure 1. CISCO SFP GLC MODULE KEY FEATURES AND BENEFITS ● Hot swappable to maximize uptime and simplify serviceability ● Flexibility of media and interface choice on a port-by-port basis, so you can “pay as you populate” ● Robust design for enhanced reliability ● Supports digital optical monitoring (DOM) capability Router-switch.com 3