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SFP+/QSFP

SFP vs QSFP
SFP QSFP
SFP (Small Form-factor Pluggable) transceiver utilizes a single channel to transmit and receive data A QSFP (Quad Small Form-factor Pluggable) combines four channels into one module to achieve four times the bandwidth.
SFP (1 Lane): Features a small footprint with a single lane for transmitting (Tx) and receiving (Rx). It traditionally uses LC duplex or SC simplex connectors. QSFP (4 Lanes): Features a wider footprint. It houses four independent transmit and four independent receive channels. It typically uses high-density MPO/MTP connectors (for parallel optics) or an internal multiplexer over LC duplex (for Wavelength Division Multiplexing).
Form Factor Primary Data Rates Common Standard / Types Typical Use Cases
SFP 1 Gbps 1G SFP Legacy enterprise links
SFP+ 10 Gbps 10G SFP+ Modern enterprise cores
SFP28 25 Gbps 25G SFP28 5G FTTA / Data centers
SFP56 50 Gbps 50G SFP56 Mid-haul wireless, specialized compute
QSFP+ 40 Gbps (4 x 10G) 40G Base-SR4 / LR4 Enterprise distribution layers
QSFP28 100 Gbps (4 x 25G) 100G Base-SR4 / LR4 Data center leaf-spine fabrics
QSFP56 200 Gbps (4 x 50G) 200G FR4 / DR4 AI clusters and cloud infrastructure
KCO-QDD-400G-DR4 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DOM MPO-12/APC SMF Optical Transceiver Module, Breakout to 4 x 100G-DR

KCO-QDD-400G-DR4 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DOM MPO-12/APC SMF Optical Transceiver Module, Breakout to 4 x 100G-DR

- Compliant with QSFP-DD MSA

- Four Parallel 1310nm Optical Lanes

- IEEE 802.3bs 400GBASE-DR4 Specification Compliant

- Compliant with RoHS Requirement

- Up to 500m Transmission on SMF with FEC

- 8×53. 125Gb/s Electrical Interface (400GAUI-8)

- Data Rate 4* 106.25Gbps (PAM4) Optical Interface

- Case Temperature Range: 0 to 70C

- Maximum Power Consumption 10W

- MPO-12 Connector

- Built-in Digital Diagnostic Functions

KCO-QDD-400G-LR4-S 400GBASE-LR4 QSFP-DD PAM4 1310nm 10km DOM  Duplex LC/UPC SMF Optical Transceiver Module

KCO-QDD-400G-LR4-S 400GBASE-LR4 QSFP-DD PAM4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module

- Compliant to QSFP-DD MSA

- 4 CWDM lanes MUX/DEMUX design

- Duplex LC connector

- Up to 10km transmission on single mode fiber (SMF) with FEC

- 8×53.125Gb/s electrical interface (400GAUI- 8)

- Data Rate 106.25Gbps (PAM4) per channel

- Case temperature range: 0 ~ +70

- Maximum power consumption 9W

- RoHS complaint

400GBASE-SR4.2 QSFP-DD PAM4 850nm 100m DOM MPO-12/UPC MMF Optical Transceiver Module, Breakout to 4 x 100G-SR1.2

400GBASE-SR4.2 QSFP-DD PAM4 850nm 100m DOM MPO-12/UPC MMF Optical Transceiver Module, Breakout to 4 x 100G-SR1.2

- QSFP-DD MSA

- 8x 53.125Gb/s Electrical Interface(400GAUI-8) Compliant

- Up to 150m OM5 MMF transmission

- MPO-12 Optical Connector

- RoHS Compliant

- Single 3.3 V Power Supply

- Maximum Power Consumption 12W

- Operating Case Temperature: 0°C to 70°C

800GBASE 2xSR4/SR8 OSFP Finned Top PAM4 850nm 50m DOM Dual MPO-12/APC MMF Optical Transceiver Module

800GBASE 2xSR4/SR8 OSFP Finned Top PAM4 850nm 50m DOM Dual MPO-12/APC MMF Optical Transceiver Module

- Cisco OSFP-800G-VR8 Compatible

- NVIDIA/Mellanox MMA4Z00-NS Compatible

- Arista Networks OSFP-800G-2VSR4 Compatible

- Juniper Networks OSFP-2X400G-VR4-P Compatible

- H3C OSFP-800G-VR8-MM850-DMPO Compatible

- Others

800GBASE 2xDR4/DR8 OSFP Finned Top PAM4 1310nm 500m DOM Dual MPO-12/APC SMF Fiber Optical Transceiver Module

800GBASE 2xDR4/DR8 OSFP Finned Top PAM4 1310nm 500m DOM Dual MPO-12/APC SMF Fiber Optical Transceiver Module

NVIDIA/Mellanox MMS4X00-NM Compatible

The Cisco OSFP-800G-DR8 Compatible

Juniper Networks OSFP-2X400G-DR4-P Compatible

H3C OSFP800-800G-DR8-SM1310-DMPO Compatible

FTTH fiber optic network router Huawei HG8546M GPON ONU 4LAN 1 Voice WIFI 2 Antenna GPON ONU

FTTH fiber optic network router Huawei HG8546M GPON ONU 4LAN 1 Voice WIFI 2 Antenna GPON ONU

The EchoLife HG8546M, an optical network unit (ONU), is a high-end home gateway in Huawei FTTH solution. By using the GPON technology, ultra-broadband access is provided for home and SOHO users. The H8546M provides 1* POTS ports, 1*GE+3* FE auto-adapting Ethernet ports, and 2* Wi-Fi port. The H8546M features high-performance forwarding capabilities to ensure excellent experience with VoIP, Internet and HD video services. The H8546M provides a perfect terminal solution and future oriented service supporting capabilities for FTTH deployment.

1GE +1FE EPON XPON GPON GEPON HG8310 Fiber Optical Network Unit ONU ONT

1GE +1FE EPON XPON GPON GEPON HG8310 Fiber Optical Network Unit ONU ONT

- EPON ONTseries are designed as HGU (HomeGatewayUnit) interent FTTH solutions. – The carrier-class FTTH application provides data service access. – EPON ONT series is based on mature and stable, cost-effective XPON technology. – It can switch automatically with EPON and GPON when it access to the EPON OLT or GPON OLT. – EPONONT series adopts high reliability, easy management, configuration flexibility and good quality of service(QoS) guaranteest o meet the technical performance of the module of China Telecom EPON CTC3.0 and GPON Standard ofITU-TG.984.X

10/100M Fiber Optic Media Converter

10/100M Fiber Optic Media Converter

- The fiber optic media converter is a 10/100Mbps adaptive media converter.

- It can transfer 100Base-TX of electrical signals to 100Base-FX of optical signals.

- The electrical interface will Auto-Negotiate to a 10Mbps, or 100Mbps Ethernet rate without any adjustments.

- It can extend the transmission distance from 100m to 120km via copper cables.

- LED indicators are provided for rapidly ascertaining equipment operating status.

- There are also many other advantages such as isolation protection, good data security, working stability and easy maintenance.

- Use External power adapter.

- Chipset: IC+ IP102

8 16 port c++ gpon 5608T OLT

8 16 port c++ gpon 5608T OLT

The MA5608T Mini OLT is designed to address Fiber to the premise (FTTP) or deep fiber deployment scenarios where a large OLT chassis may not be the best fit for a variety of reasons. Huawei’s mini OLT MA5608T is designed to be the perfect complement to the other MA5600 series larger OLTs and offers the same carrier grade features and performance. MA5608T’s compact and front access design make it an ideal solution for deployments in locations such as space-constrained huts, outdoor cabinets or building basements. It has AC and DC powering options, extended temperature range, and offers easy installation.

SFP+ -10G-LR

SFP+ -10G-LR

• 10Gb/s SFP+ Transceiver

• Hot Pluggable, Duplex LC, +3.3V, 1310nm DFB/PIN, Single mode, 10km

The usage of SFP and QSFP on FTTH and FTTA Solution

 Design Metric  FTTH (Fiber-to-the-Home)  FTTA (Fiber-to-the-Antenna)
 Edge Module (SFP)  GPON / XGS-PON SFP (Simplex SC)  25G SFP28 eCPRI (Duplex or BiDi LC)
 Core Module (QSFP)  QSFP28 / QSFP-DD Network Uplinks  QSFP28 Port-to-SFP28 Radio Breakouts
 Primary Protocol  Ethernet / ATM Layering  CPRI (4G) / eCPRI (5G Packetized)
 Temp Requirement  Commercial (0°C to 70°C) inside CO  Industrial (-40°C to 85°C) up the mast
 Usage [ Central Office OLT ] ===( QSFP Uplink )===> [ Core Switch ]
|
( PON SFP )
|
[ Passive Splitter ] ——> [ Home ONT / ONU ]
 [ BBU Hub / DU ] ===( QSFP28 Breakout )===> [ 4x SFP28 Tower Ports ]
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( Vertical Trunk )
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[ 25G SFP28 RRU ]
 FTTH networks rely heavily on Passive Optical Network (PON) topologies to distribute internet from a Central Office (CO) to individual homes  The SFP28 (25G) Standard: Modern 5G Macro cells run on 25G SFP28 transceivers built specifically for eCPRI (Enhanced Common Public Radio Interface) protocols.
 OLT Side: Optical Line Terminal (OLT) chassis use specialized PON SFP modules (GPON, XGS-PON, or 25G-PON). These are unique because they are BiDi (Bidirectional) simplex SFPs—using a single SC connector to transmit on one wavelength (e.g., 1490nm) and receive on another (e.g., 1310nm) to serve up to 32 or 64 homes over one fiber strand.  Industrial Hardening: SFTs deployed up the tower must be Industrial Temperature rated (-40°C to 85°C) to survive extreme seasonal weather. They are integrated into ruggedized outdoor housings like FullAXS or ODVA before being plugged directly into the Remote Radio Unit (RRU)
 ONT/ONU Side: The client-side optical network terminal inside the home or business often utilizes standard 1G SFP or 10G SFP+ modules plugged into a residential gateway.  BiDi & CWDM: To save weight and fiber resources on the tower asset, technicians frequently use BiDi SFP28 or CWDM SFP28 modules, allowing multiple frequency bands to share fewer glass strands.
 QSFP Usage (The Central Office Core: Home users do not use QSFP modules. Instead, QSFP28 (100G) or QSFP-DD (400G/800G) transceivers are used inside the Central Office. They aggregate the massive combined traffic coming from dozens of PON SFP line cards and route it upstream out to the broader internet core.  Breakout Deployments: Instead of running 24 individual SFP cables, a high-density baseband router will utilize QSFP28 (100G) ports in breakout mode. A single QSFP28 port maps out to a 1-to-4 breakout MPO trunk cable, efficiently delivering four independent 25G eCPRI channels straight up to four separate tower radios.

Process
Process
Process