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How to choose a suitable fiber optic splitter?

2025-07-31

Choosing the right fiber optic splitter requires comprehensive consideration of the following key factors:

1. Splitting Ratio and Port Configuration

Select a splitting ratio (such as 1:4, 1:8, or 1:16) based on the number of terminals. 1:8 or 1:16 are commonly used in residential areas, while 1:4 is recommended for bandwidth stability in commercial buildings. Data centers may require an active splitter with a higher splitting ratio.

Port types include 1*N (single input, multiple output) or 2*N (dual input, multiple output) for redundancy. For metropolitan area network expansion, a high splitting ratio model is recommended.

2. Operating Wavelength and Transmission Mode

Single-mode splitters support 1310nm/1550nm wavelengths (commonly used in PON systems), while multimode splitters are suitable for short-distance transmission at 850nm/1310nm.

Dual-window splitters are compatible with a wider wavelength range (1260-1650nm), making them suitable for future network upgrades.

3. Manufacturing Process Selection

PLC Type: Uniform optical splitting (within ±0.8dB) and high-temperature resistance (-40°C to 85°C) are suitable for high-density optical splitting scenarios such as FTTH, but are more expensive.

FBT Type: Supports uneven optical splitting (e.g., 70:30), is low-cost, but is more temperature-sensitive (-5°C to 75°C), and is suitable for specific scenarios such as surveillance networks.

4. Package Type and Environmental Compatibility

Bare Fiber Type: Requires fusion splicing and is suitable for permanent installations (e.g., fiber distribution panels).

Cassette/Rackmount: Easily maintainable. ABS cassettes are recommended for commercial buildings, while 19-inch rack-mount packaging is required for data centers.

A waterproof enclosure is required for outdoor installations, and the fiber bend radius must be greater than 5cm.

5. Performance Parameter Verification

Insertion loss (typical value of approximately 10.7dB for a 1:8 splitting), uniformity (PLC type is preferred), and return loss (>50dB is preferred) must meet industry standards. Use an optical power meter to test the deviation between the actual output and the theoretical value (should be <1dB). If necessary, use an OTDR to check link quality.

Common selection mistakes:
  • Ignoring wavelength compatibility leads to abnormal signal attenuation.
  • Not considering temperature stability, especially in extreme environments.
  • Excessively pursuing a high splitting ratio at the expense of single-user bandwidth.
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أخبار الشركة حول-How to choose a suitable fiber optic splitter?

How to choose a suitable fiber optic splitter?

2025-07-31

Choosing the right fiber optic splitter requires comprehensive consideration of the following key factors:

1. Splitting Ratio and Port Configuration

Select a splitting ratio (such as 1:4, 1:8, or 1:16) based on the number of terminals. 1:8 or 1:16 are commonly used in residential areas, while 1:4 is recommended for bandwidth stability in commercial buildings. Data centers may require an active splitter with a higher splitting ratio.

Port types include 1*N (single input, multiple output) or 2*N (dual input, multiple output) for redundancy. For metropolitan area network expansion, a high splitting ratio model is recommended.

2. Operating Wavelength and Transmission Mode

Single-mode splitters support 1310nm/1550nm wavelengths (commonly used in PON systems), while multimode splitters are suitable for short-distance transmission at 850nm/1310nm.

Dual-window splitters are compatible with a wider wavelength range (1260-1650nm), making them suitable for future network upgrades.

3. Manufacturing Process Selection

PLC Type: Uniform optical splitting (within ±0.8dB) and high-temperature resistance (-40°C to 85°C) are suitable for high-density optical splitting scenarios such as FTTH, but are more expensive.

FBT Type: Supports uneven optical splitting (e.g., 70:30), is low-cost, but is more temperature-sensitive (-5°C to 75°C), and is suitable for specific scenarios such as surveillance networks.

4. Package Type and Environmental Compatibility

Bare Fiber Type: Requires fusion splicing and is suitable for permanent installations (e.g., fiber distribution panels).

Cassette/Rackmount: Easily maintainable. ABS cassettes are recommended for commercial buildings, while 19-inch rack-mount packaging is required for data centers.

A waterproof enclosure is required for outdoor installations, and the fiber bend radius must be greater than 5cm.

5. Performance Parameter Verification

Insertion loss (typical value of approximately 10.7dB for a 1:8 splitting), uniformity (PLC type is preferred), and return loss (>50dB is preferred) must meet industry standards. Use an optical power meter to test the deviation between the actual output and the theoretical value (should be <1dB). If necessary, use an OTDR to check link quality.

Common selection mistakes:
  • Ignoring wavelength compatibility leads to abnormal signal attenuation.
  • Not considering temperature stability, especially in extreme environments.
  • Excessively pursuing a high splitting ratio at the expense of single-user bandwidth.