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  5. Fiber Optic Splice Closures (FOSC)

No matter how complex your building entrance splice challenges might be, CommScope has an extensive portfolio of solutions that can address your specific needs. Designed to be equally effective in fit-and-forget as well as multiple re-entry situations, our fiber optic splicing closures employ a revolutionary sealing technology that keeps your splices safe and secure—in any environment.

• Available in a variety of sizes and styles
• Compatible with most cable types (loose buffer tube, central core tube, loose fiber, and ribbon)
• Supports all splicing applications (express, tap-off, branch and repair)

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9F1283-000 | FOSC450-6DBX1331NN2T-U23 9F1283-000 | FOSC450-6DBX1331NN2T-U23
Variant of FOSC-450
FOSC® 450 Fiber Optic Splice Closure, Gel Cable sealing, with integrated dense WDDM (2X), B sz, 8 chan. adptr + upgrade port
9F1283-000 | FOSC450-6DBX1331NN2T-U23
  • Regional Availability: Latin America | North America
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 6 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: None
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
SpecificationsSpecs
9F1283-000 | FOSC450-6DBX1331NN2T-U23
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 6 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: None
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Regional Availability: Latin America | North America
9X600Y-000 | FOSC450-C6-3-R3-2-C3V 9X600Y-000 | FOSC450-C6-3-R3-2-C3V
Variant of FOSC-450
FOSC® 450 C6 Fiber Optic Splice Closure, Gel Cable sealing, pre-installed C ribbon tray, 3 cable attach., three ground feedthrough lugs, with test valve
9X600Y-000 | FOSC450-C6-3-R3-2-C3V
  • Regional Availability: Latin America | North America
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 6 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 192
  • Splicing Capacity, Mass Fusion, ...: 864
SpecificationsSpecs
9X600Y-000 | FOSC450-C6-3-R3-2-C3V
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 6 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 192
  • Splicing Capacity, Mass Fusion, ...: 864
  • Regional Availability: Latin America | North America
A08143-000 | FOSC400-A8-12-1-AGV A08143-000 | FOSC400-A8-12-1-AGV
Variant of FOSC-400
FOSC® 400 A8 Fiber Optic Splice Closure, Heat Shrink Cable sealing, one pre-installed 12-splice tray, ground feedthrough lugs, with test valve
A08143-000 | FOSC400-A8-12-1-AGV
  • Regional Availability: Latin America | North America
  • Product Brand: FOSC®
  • Product Series: FOSC 400
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 1 oval port (2 cables) + 8 round ports
  • Cable Sealing Type: Heat shrink
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
SpecificationsSpecs
A08143-000 | FOSC400-A8-12-1-AGV
  • Product Brand: FOSC®
  • Product Series: FOSC 400
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 1 oval port (2 cables) + 8 round ports
  • Cable Sealing Type: Heat shrink
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
  • Regional Availability: Latin America | North America
A08617-000 | FOSC450-A4-4-NT-0-A1V A08617-000 | FOSC450-A4-4-NT-0-A1V
Variant of FOSC-450
FOSC® 450 A4 Fiber Optic Splice Closure, Gel Cable sealing, no pre-installed tray, 4 cable attach., one ground feedthrough lug, with test valve
A08617-000 | FOSC450-A4-4-NT-0-A1V
  • Regional Availability: Latin America | North America
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 4 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
SpecificationsSpecs
A08617-000 | FOSC450-A4-4-NT-0-A1V
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 4 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
  • Regional Availability: Latin America | North America
A08755-000 | FOSC450-D6-6-72-1-D6V A08755-000 | FOSC450-D6-6-72-1-D6V
Variant of FOSC-450
FOSC® 450 D6 Fiber Optic Splice Closure, Gel Cable sealing, one pre-installed 72-splice tray, 6 cable attach., six ground feedthrough lugs, with test valve
A08755-000 | FOSC450-D6-6-72-1-D6V
  • Regional Availability: Latin America | North America
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 6 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 576
  • Splicing Capacity, Mass Fusion, ...: 1152
SpecificationsSpecs
A08755-000 | FOSC450-D6-6-72-1-D6V
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 6 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 576
  • Splicing Capacity, Mass Fusion, ...: 1152
  • Regional Availability: Latin America | North America
A10164-000 | FOSC450-D6-6-72-1-N3V A10164-000 | FOSC450-D6-6-72-1-N3V
Variant of FOSC-450
FOSC® 450 D6 Fiber Optic Splice Closure, Gel Cable sealing, one pre-installed 72-splice tray, 6 cable attach., three ground feedthrough lugs, with test valve
A10164-000 | FOSC450-D6-6-72-1-N3V
  • Regional Availability: Latin America | North America
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 6 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 576
  • Splicing Capacity, Mass Fusion, ...: 1152
SpecificationsSpecs
A10164-000 | FOSC450-D6-6-72-1-N3V
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 6 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 576
  • Splicing Capacity, Mass Fusion, ...: 1152
  • Regional Availability: Latin America | North America
A13131-000 | FOSC-400A8-S24-1-NGV A13131-000 | FOSC-400A8-S24-1-NGV
Variant of FOSC-400
FOSC® 400 A8 Fiber Optic Splice Closure, Heat Shrink Cable sealing, one pre-installed 24-splice tray, with test valve
A13131-000 | FOSC-400A8-S24-1-NGV
  • Regional Availability: Asia | EMEA
  • Product Brand: FOSC®
  • Product Series: FOSC 400
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 1 oval port (2 cables) + 8 round ports
  • Cable Sealing Type: Heat shrink
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
SpecificationsSpecs
A13131-000 | FOSC-400A8-S24-1-NGV
  • Product Brand: FOSC®
  • Product Series: FOSC 400
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 1 oval port (2 cables) + 8 round ports
  • Cable Sealing Type: Heat shrink
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
  • Regional Availability: Asia | EMEA
A13495-000 | FOSC-400A8-S24-2-NGV A13495-000 | FOSC-400A8-S24-2-NGV
Variant of FOSC-400
FOSC® 400 A8 Fiber Optic Splice Closure, Heat Shrink Cable sealing, two pre-installed 24-splice trays, with test valve
A13495-000 | FOSC-400A8-S24-2-NGV
  • Regional Availability: Asia | EMEA
  • Product Brand: FOSC®
  • Product Series: FOSC 400
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 1 oval port (2 cables) + 8 round ports
  • Cable Sealing Type: Heat shrink
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
SpecificationsSpecs
A13495-000 | FOSC-400A8-S24-2-NGV
  • Product Brand: FOSC®
  • Product Series: FOSC 400
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 1 oval port (2 cables) + 8 round ports
  • Cable Sealing Type: Heat shrink
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
  • Regional Availability: Asia | EMEA
A14817-000 | FOSC450-A4-4-24-1-A0V A14817-000 | FOSC450-A4-4-24-1-A0V
Variant of FOSC-450
FOSC® 450 A4 Fiber Optic Splice Closure, Gel Cable sealing, 4 cable attachments, one pre-installed 24-splice tray, with test valve
A14817-000 | FOSC450-A4-4-24-1-A0V
  • Regional Availability: Latin America | North America
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 4 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
SpecificationsSpecs
A14817-000 | FOSC450-A4-4-24-1-A0V
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 4 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
  • Regional Availability: Latin America | North America
A15558-000 | FOSC450-A4-4-24-1-N0V A15558-000 | FOSC450-A4-4-24-1-N0V
Variant of FOSC-450
FOSC® 450 A4 Fiber Optic Splice Closure, Gel Cable sealing, one pre-installed 24-splice tray, 4 cable attachments, with test valve
A15558-000 | FOSC450-A4-4-24-1-N0V
  • Regional Availability: Latin America | North America
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 4 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
SpecificationsSpecs
A15558-000 | FOSC450-A4-4-24-1-N0V
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 4 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
  • Regional Availability: Latin America | North America
A1823C-000 | FOSC450-C6-PATCH-24-P A1823C-000 | FOSC450-C6-PATCH-24-P
Variant of FOSC-450
FOSC® 450 C6 Fiber Optic Splice Closure, Gel Cable sealing
A1823C-000 | FOSC450-C6-PATCH-24-P
  • Regional Availability: Latin America | North America
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 6 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: None
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 192
  • Splicing Capacity, Mass Fusion, ...: 864
SpecificationsSpecs
A1823C-000 | FOSC450-C6-PATCH-24-P
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 6 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: None
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 192
  • Splicing Capacity, Mass Fusion, ...: 864
  • Regional Availability: Latin America | North America
A18984-000 | FOSC450-A4-2-24-1-A0V A18984-000 | FOSC450-A4-2-24-1-A0V
Variant of FOSC-450
FOSC® 450 A4 Fiber Optic Splice Closure, Gel Cable sealing, one pre-installed 24-splice tray, 2 cable attachments, with test valve
A18984-000 | FOSC450-A4-2-24-1-A0V
  • Regional Availability: Latin America | North America
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 4 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
SpecificationsSpecs
A18984-000 | FOSC450-A4-2-24-1-A0V
  • Product Brand: FOSC®
  • Product Series: FOSC 450
  • Product Type: Single-ended | round fiber closure
  • Cable Ports Quantity, total: 4 round ports
  • Cable Sealing Type: Compressed gel
  • Closure Sealing Type: Dome-to-base clamp with O-ring
  • Closure Style: Single-ended
  • Flash Test Valve: Pre-installed
  • Splicing Type, Supported: Mass fusion | Single fusion
  • Main Cable Diameter, maximum: 25 mm | 0.984 in
  • Splicing Capacity, Single Fusion...: 96
  • Splicing Capacity, Mass Fusion, ...: 144
  • Regional Availability: Latin America | North America
Compare
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Video

Fiber optic splice closures (FOSC)

Watch
FOSC-400-data-sheet-322615ae-hero500
Data Sheet

FOSC 400: Fiber optic splice closure