Share Various Fiber Optic Telecom Network Topics, Information, News, Questions, Sources and Network Solutions.
Tuesday, December 30, 2014
Choose and Get SFP+ Module and Cables Effectively
Monday, December 29, 2014
What Is The Difference Between Singlemode SFP and Multimode SFP
Singlemode fiber (SMF) has much tighter tolerances for optics used. The core is smaller and the laser wavelength is narrower. This means that SMF has the capability for higher bandwidth and much longer distances in transmission. Singlemode SFPs (SMF SFPs) work mainly in 1310nm and 1550nm wavelength and is mostly used in long distances transmission environment reaching 2km, 10km, 40km, 60km, 80km and 120km. The color coded bale clasp and color arrow on label are generally blue, yellow or purple. And the color of compatible fiber optic patch cord is yellow.
- Blue is the 1310nm module
- Yellow is the 1550nm module
- Purple is the 1490nm module
Multi-mode fiber (MMF) uses a much bigger core and usually uses a longer wavelength of light. Because of this, the optics used in MMF have a higher capability to gather light from the laser. In practical terms, this means the optics are cheaper. The common multimode SFPs (MMF SFPs) work in 850nm wavelength and is only used for short distance transmission reaching 100m and 500m. Though it’s not able to transport for long distance, it can transport many kind of optical signals. Their color coded bale clasp and color arrow on label are black and the used fiber optic patch cord is usually orange.
- Ensure that the SFPs in both ends of the fiber patch cord are of the same wavelength. A simple method is that the color of the modules must be consistent.
- In general, to ensure the data accuracy, short-wave SFP modules use with multimode fibers (ie. orange fiber patch cord), while long-wave SFP modules use with single-mode fiber (ie. yellow fiber patch cord).
- Do not over bend or winding fiber optic cables when using them. This will increase the attenuation of light in transit.
- If you don’t use the SFP, you must use the dust plug to protect the optical bore.
As we know, single mode and multimode are not interchangable. The main reason is the wave length of the laser and core size of the fiber. However, take Cisco SFP for example, there is a type of the GBIC SFP module (part number “SFP-GE-L” or “GLC-LH-SM“) which can support both single mode and multimode fiber. SFP-GE-L and GLC-LH-SM are 1000BASE-LX/LH SFP transceivers. But a mode-conditioning patch cord is required when using the SFP-GE-L or GLC-LH-SM with 62.5-micron diameyer MMF. You must install a mode-conditioning patch cord between the GBIC module or SFP module and the MMF cable on both the transmit and the receive ends of the link when link distances are greater than 984 ft (300 m). In this case, Cisco do not recommend using the SFP-GE-L or GLC-LH-SM and MMF with no patch cord for very short link distance (tens of meters). The result could be an elevated bit error rate (BER). Actually, other brand, like Brocade, also can offer the similar SFP module.
Monday, December 22, 2014
Difference between Cisco SFP Module GLC-SX-MM and GLC-SX-MMD
- Optical Tx power
- Optical Rx power
- Laser bias current
- Temperature
- Transceiver supply voltage
- Data-rate of 1.25Gbps/1.063Gbps operation
- 850nm VCSEL laser and PIN photodetector for 550m transmission
- Hot-pluggable SFP footprint duplex LC connector Interface
- Class 1 FDA and IEC60825-1 Laser Safety Compliant
- Compatible with SFP MSA
- Compatible with SFF-8472
- +3.3V single power supply and TTL Logic Interface
- Average Output Power:-9.5~ -3dBm
- Receiver Sensitivity:-17dBm
- Extended temperature range (EXT):-5 to 85°C
- Built-in Digital Diagnostic Function
- Fiber Channel Links
- Gigabit Ethernet Links
- Fast Ethernet Links
- Other Optical Links
Cisco SFP transceivers offered by Fiberstore are the most cost-effective standards-based SFP modules fully compatible with Cisco Switches & Routers. Fiberstore provides a series of Cisco comaptible SFP modules which can be equivalent to Cisco GLC SX 1000BASE SX SFP (GLC-SX-MM), Cisco SFP 1000BASE LX LH SM fiber transceiver (GLC-LH-SM), Cisco GLC-SX-MMD, Cisco GLC-LH-SMD, Cisco GLC-T 1000BASE-T SFP (GLC-T), Cisco GLC-ZX-SMD, and Cisco CWDM SFP, Cisco DWDM SFP, etc.
Read More Related Article About SFP Modules:
Fiberstore Direct Attach Cables
- Supports 10 Gb/s data rates with backwards compatibility to 1 Gb/s
- Supports 8x/4x/2x/1x Fibre Channel data rates for SANs and NAS
- Compliant with the latest SFF-8431 specifications
- Passive assemblies available in 1-foot increments from 1.6 to 32.8 ft (0.5 to 10 m)
- Active assemblies available in 2-foot increments from 3.3 to 39.4 ft (1 to 12 m)
- Connector cage designed for high-speed differential signaling
- Easy pull-to-release latching mechanism
- Extremely short lead times on all passive assemblies
- Backed by superior support and a 10-year product warranty
SFP+ Passive Cable Assembly, Cisco Compatible, 10G:
- Cisco SFP-H10GB-CU1M, 1 meter, 30AWG, $18.00
- Cisco SFP-H10GB-CU2M, 2 meter, 30AWG, $22.00
- Cisco SFP-H10GB-CU3M, 3 meter, 30AWG, $27.00
- Cisco SFP-H10GB-CU5M, 5 meter, 24AWG, $38.00
- Cisco SFP-H10GB-CU7M, 7 meter, 24AWG, $75.00
- Cisco SFP-H10GB-CU10M, 10 meter, 28AWG, $88.00
- Cisco SFP-10G-AOC1M, 1 meter, $70.00
- Cisco SFP-10G-AOC2M, 2 meter, $71.00
- Cisco SFP-10G-AOC3M, 3 meter, $72.00
- Cisco SFP-10G-AOC5M, 5 meter, $74.00
- Cisco SFP-10G-AOC7M, 7 meter, $76.00
- Cisco SFP-10G-AOC10M, 10 meter, $79.00
- Cisco QSFP-4X10G-AOC1M, 1 meter, $281.00
- Cisco QSFP-4X10G-AOC2M, 2 meter, $287.00
- Cisco QSFP-4X10G-AOC3M, 3 meter, $292.00
- Cisco QSFP-4X10G-AOC5M, 5 meter, $302.00
- Cisco QSFP-4X10G-AOC7M, 7 meter, $313.00
- Cisco QSFP-4X10G-AOC10M, 10 meter, $333.00
Thursday, December 18, 2014
How Much do You Know About 10/100/1000BASE-T SFP Transceivers?
Tuesday, December 16, 2014
The General Concerns of Using Cisco Compatible SFP
Monday, December 15, 2014
Supply 3rd-Part Finisar Optical Transceiver
- Manufacturer: Fiberstore
- Product Type: 1000BASE-T SFP Transceiver
- Data Rate: 1000Mbps
- Application: Gigabit Ethernet over Cat 5 Cable
- Wavelength: N/A
- Transfer Distance: 100m
- Connector Type: RJ45
- Cable Type: Copper
- Manufacturer: Fiberstore
- Product Type: SFP transceiver module
- Data Rate: 1.25Gbps/1.063Gbps
- Application: SONET/OC48
- Wavelength: 850nm
- Transfer Distance: 550m
- Connector Type: LC Duplex
- Cable Type: Multi-Mode Fiber (SMF)
- Manufacturer: Fiberstore
- Product Type: SFP transceiver module
- Data Rate: 2Gbps
- Application: Gigabit Ethernet Switches and Routers
- Wavelength: 1310nm
- Transfer Distance: 10km
- Connector Type: LC Duplex
- Cable Type: Single-Mode Fiber (SMF)
- Manufacturer: Fiberstore
- Product Type: SFP+ transceiver module
- Data Rate: 1.25 Gb/s or 9.95 to 10.3 Gb/s bit rates
- Application: 1000BASE-SX 1G Ethernet / 10GBASE-SR/SW 10G Ethernet
- Wavelength: 850nm
- Transfer Distance: 300m
- Connector Type: LC Duplex
- Cable Type: Multi-Mode Fiber (MMF)
Thursday, December 11, 2014
SFP+ Cables And QSFP+ Cables Manufacturers
Active cables and passive cables. Active cables are copper cables for data transmission. They use silicon (semiconductor) to boost the performance of the cable. On the contrary, a cable without a chip is considered as a “passive cable”.
10Gb/s Passive Copper Cable used for very short link and lowest cost
- Compliant to SFF-8431
- SFP+ Multi‐Source Agreement and SFF-8461
- SFP+ Copper Cable Multi‐Source Agreement
- Up to 10m length (AWG24)
The SFP+ cables support 10G Ethernet, 8G Fibre Channel, 10G FCoE, 10G InfiniBand and various unified architecture link applications. SFP + cable is widely used in the top of the Rock switches and high-performance server for interconnection. Top of the Rock switch power consumption is less than 10GBASE-T ports switch. In the market waiting for more energy efficient 10GBASE-T switch, SFP + cables are more popular for at the Top of the Rock switch. 28 AWG and 24 AWG cables are available for DAC cables. The standard lengths for the sfp+ direct attach cable are 1m, 2m, 3m, 5m, 7m and 10m. Custom lengths are available upon request.
Fiberstore Provides Cisco Compatible SFP+ 10gbase twinax Copper Modules:
- 10GBASE-CU SFP+ Cable 1 Meter, passive SFP-H10GB-CU1M
- 10GBASE-CU SFP+ Cable 1.5 Meter, passive SFP-H10GB-CU1.5M
- 10GBASE-CU SFP+ Cable 2 Meter, Passive SFP-H10GB-CU2M
- 10GBASE-CU SFP+ Cable 2.5 Meter, Passive SFP-H10GB-CU2.5M
- 10GBASE-CU SFP+ Cable 3 Meter, passive SFP-H10GB-CU3M
- 10GBASE-CU SFP+ Cable 5 Meter, passive SFP-H10GB-CU5M
- 10GBASE-CU SFP+ Cable 7 Meter, passive SFP-H10GB-CU5M
- 10GBASE-CU SFP+ Cable 10 Meter, passive SFP-H10GB-CU5M
- 10GBASE-CU SFP+ Cable 7 Meter, active SFP-H10GB-ACU7M
- 10GBASE-CU SFP+ Cable 10 Meter, active SFP-H10GB-ACU10M
Fiberstore SFP+ Cables
SFP+ fiber cable solution is suitable for longer distance communication, while 10G SFP+ cables solution is best when utilized in short lengths, typically 15m or less, which is sufficient to link server cards and switches. But at present, the fiber and copper cable transmission standard of 10G Ethernet have been launched. However, there is only the fiber standard without copper standard for the 40G Ethernet transmission now.
QSFP+ cables and SFP+ cables
From the perspective of the development of wiring, generally, the standard of copper cable is always behind the fiber standard and the application standard. Currently, the TIA and ISO have already established a working group to carry out the research work of the copper standard.
Actually, the QSFP+ cable is a choice for short transmission distance. Generally, QSFP+ cables are used to connect the ToR switches.
Fiberstore QSFP+ Cables
QSFP+ cable and sfp+ direct attach cable are both suitable for the short transmission distance. The fiber can be considered for the long transmission distance. The standard distance of OM3 multi-mode fiber is 100m and the OM4 is 50m. The single-mode fiber will not encounter the problem of transmission distance. Fiberstore provides qsfp 4x10g aoc7m.
Fiberstore qsfp 4x10g aoc7m cable
For the high-density, high-performance, longer distance and high-speed and other requirements, the MPO/MTP will be a more reasonable choice.
Fiberstore is a leading company in developing and manufacturing advanced optical network solutions to the fiber optic network, CWDM/DWDM system, and Data Center system. Fiberstore always aims accurate lead time and best service with high quality products to customers. Today, Fiberstore offer customers a broad range of data Center networking and communication solutions in following categories: GBIC, SFP, SFP+, XFP, XENPAK, X2, QSFP+ 40G AOC/ACC, 120G CXP AOC/ACC, Ethernet Converter and Fiber Optical Patchcord, Total fiber solution with CWDM, Mux/Demux, Repeater products.
Read More Related Article about DAC Cables:
Thursday, December 4, 2014
About Optical Transceivers
Tuesday, November 25, 2014
Optical Transceivers for FIs
- Network connectivity to both LAN and SAN
- UCS infrastructure management through the embedded management software, UCSM, for both hardware and software management
- Cisco SFP-10G-SR: This is a multimode optical fiber 10Gbps Ethernet SFP that can be used for distances up to 400 meters.
- Cisco SFP-10G-LR: This is a single-mode optical fiber 10Gbps Ethernet SFP that can be used for distances up to 10 Km.
- Cisco SFP-10G-TET: This is a low power consuming multimode fiber optic 10Gbps Ethernet SFP that can be used for distances up to 100 meters.
- Cisco SFP-H10GB-CuxM: These are the twinax cables providing low cost 10Gbps Ethernet connectivity and are available in 1, 3, 5, 7 and 10 meter configurations.
- Cisco SFP-H10GB-ACU10M: This is a 10-meter-long twinax cable providing 10Gbps Ethernet. At a length of 10 meters, this cable requires active transceivers at both ends.
- Cisco GLC-T: 1000BASE-T SFP or SFP-compatible ports only,these are based on the SFP Multi Source Agreement (MSA) and compact RJ-45 connector assembly. For SFP-compatible ports only.
- Cisco GLC-SX-MMD: These modules supporting dual data-rate of 1.25Gbps/1.0625Gbps and 550m transmission distance with MMF, for SFP-compatible ports only.
- Cisco GLC-LH-SMD: These modules supporting dual data-rate of 1.25Gbps/1.0625Gbps and 10km transmission distance with SMF, for SFP-compatible ports only.
- DS-SFP-FCxG-xW: These are multi-mode and single-mode fiber optic FC transceivers that are available at 2, 4, and 8Gbps transfer speeds.
Tuesday, November 11, 2014
Cisco GLC-LH-SMD Compatible SFP For Your Network
- Dropouts in your VoIP calls
- Sluggish data retrieval speeds
- Spotty WiFi coverage across a large areas
- Difficulty leveraging Cloud-based applications
- Or poor video streaming quality
Brand Compatible SFP For Optical Communications
Friday, November 7, 2014
Finisar Compatible 1000BASE SFP Transceivers
- Up to 4.25 Gb/s bi-directional data links
- Hot-pluggable SFP footprint
- Built-in digital diagnostic functions
- 850nm Oxide VCSEL laser transmitter
- Duplex LC connector
- RoHS Compliant and Lead Free
- Up to 500m on 50/125m MMF, 300m on 62.5/125m MMF
- Metal enclosure, for lower EMI
- Single 3.3V power supply
- Extended operating temperature range: -20°C to 85°C
- Tri-Rate 1.063/2.125/4.25 Gb/s Fibre Channel
- 1.25 Gb/s 1000Base Ethernet (Rate selectable version)
- Wireless C OBSAI, CPRI
Key Features
- Data-rate of 1.25Gbps/1.063Gbps operation
- 850nm VCSEL laser and PIN photo detector for 550m transmission Hot-pluggable SFP footprint
- duplex LC connector Interface
- Class 1 FDA and IEC60825-1 Laser Safety Compliant
- Compatible with SFP MSA
- Compatible with SFF-8472
- +3.3V single power supply
- Average Output Power:-9.5~ -3dBm
- Receiver Sensitivity:-17dBm
- Fiber Channel Links
- Gigabit Ethernet Links
- Fast Ethernet Links
- Other Optical Links
FTLF8524P2xNy | Finisar | Compatible SFP Form Fiberstore |
---|---|---|
ftlf8524p2bnl | $79.00 | $ 8.40 |
ftlf8524p2bnv | $59.42 | $ 8.40 |
Thursday, November 6, 2014
Brand Compatible SFP For Optical Communications
Monday, November 3, 2014
Products Used In the Physical Layer
- XFP 10GBASE-CX4: Uses a CX4 connector to provide a connection to up to 15 meters over CX4 grade copper cable.
- SFP 1000BASE-TX: Uses a RJ-45 connector to provide a connection to up to 100meters over Cat5e or higher copper cable.
- SFP: Small form-factor Pluggable. Supports 100Mbps and 1Gbps Ethernet.
- SFP+: Small Form-factor Pluggable Plus. Looks are physically identical to the SFP port but support higher speeds. Supports 10Gbps Ethernet. Might also support SFP transceivers.
- XFP: 10 Gigabit Small Form-factor Pluggable. Supports 10Gbps Ethernet.
- XENPAK: XENPAK transceiver is a hot-swappable I/O devices that plug into 10-Gigabit Ethernet module ports. The XENPAK transceiver is available in either optical or copper interfaces. It is used in typical router line card applications, storage, IP network and LAN.
- X2: X2 transceiver is a standardized form factor for 10 Gb/s fiber optic transceivers that is used for data transfer rates from 10.3 Gb/s to 10.5 Gb/s. X2 transceiver is used in datacom optical links only (not telecom), and they are smaller than old generation XENPAK transceiver.
- GBIC) Transceiver: A gigabit interface converter (GBIC) transceiver can send and receive data, which is to digitally convert media between a gigabit Ethernet network and a separate fiber optic based network.
Thursday, October 30, 2014
Purchase Fiber Adapter Panels
Tuesday, October 28, 2014
The Importance of Fiber Patch Panels
Introduction of Fiber Adapter Panels
Monday, October 27, 2014
The Conventional Fiber Adapter Plates Need To Improve
Wednesday, October 22, 2014
Fiber Adapter Panels Privided By Fiberstore
When surmounting trouble rises, a fiber optic technician must choose the most suitable patch panel for a specific situation. He has to understand that when it comes to easy installation, proper termination and long-term maintenance, its not all patch panel is made equally.
Optical fiber is robust and thus deserves some kind of special treatment. For example, if your horizontal copper cable is broken, one user is about be affected. If your backbone fiber goes down, it will grab a lot of users down by using it. For this reason using fully enclosed connecting hardware for optical fiber is essential. This is where the technician must choose between using wall-mounted or rack-mounted hardware. The optical fiber density required will likely influence the technicians choice between the wall-mounted and rack-mounted connectivity. Many technicians will choose to use fiber patch cables. However, how to handle the fiber patch cables?
What is Fiber Adapter Panel?
Fiber Adapter Panel (FAP) is utilized for patching the fiber cable to the enclosures like fiber wall cabinets, rack mounts fiber cabinets or rack mount fiber shelf. It enables you to make fast and simple fiber patch panel connections as they can snap into the fiber optic enclosures easily.
Fiber Adapter Panel provided by Fiberstore:
- Loaded with LC, SC, ST, FC, MT-RJ, MPO and unloaded blanks
- Simplex and duplex (6-pack or 8-pack)
- Metal or Cerramic sleeves
- Ideal for 6-fibers, 8-fibers, 12-fibers or 24-fibers, 48-fiber, 72-fibers and 96-fibers applications
- Snap quickly into the front of our compatible fiber optic enclosures
Fiber adapter panels contain TIA/EIA-604 FOCIS compliant or compatible simplex or duplex fiber optic adapters and meet or exceed TIA/EIA-568-C.3 requirements. Fiber adapter panels include horizontal and vertical MPO adapters, LC, keyed LC, SC, ST, FC, MT-RJ or E-2000 fiber optic adapters. Fiber optic adapters include phosphor bronze or zirconia ceramic split sleeves to fit specific network requirements. LC and SC adapter housing colors follow the TIA/EIA-568-C.3 suggested color identification scheme.
Multimedia modular panels allow customization of installation for applications requiring integration of fiber optic and copper cables. Blank fiber adapter panels reserve fiber adapter panel space for future use. All fiber adapter panels snap quickly into the front of fiber optic patch panels and enclosures for easy network deployment or moves, adds, and changes.
Fiberstore's fiber adapter panel with metal or plastic is meant to be used for patching the fiber cable to the termination enclosure of your choice, such as fiber wall cabinets, rackmount fiber cabinets or rackmount fiber shelf (LC patch panel). The adapter panels are easily snapped into the enclosures with snap lock mounting fixtures. They have a various customizable options available to fit whatever application you require. With products compatible for trusted brands including Black Box, Wirewerks, Mr-technologies, Corning, Leviton, Panduit Opticom adapter panel and more.
Fiberstore fiber optic systems to meet today's requirements and provide a migration path for tomorrow's applications. These advanced fiber optic systems include fiber optic cable, connectors, adapter modules, adapter panels, cassettes, patch cords, cable assemblies, cable distribution products and accessories for both singlemode and multimode applications. Together, these components provide complete solutions for today's high data rate Fibre Channel and Ethernet applications, and support future readiness for 40 Gb/s and 100 Gb/s data rates, maximizing physical infrastructure performance, modularity, and scalability.