CORNING | 072E88-T3131-A3
MIC Unitized Tight-Buffered, Interlocking Armored Cable, Plenum, 72 fiber, Single-mode (OS2)

MFR PART #  072E88-T3131-A3
PART #  370-COROS2-TBA-72
Minimum 1 Feet
In Stock


Corning MIC unitized interlocking armored plenum cables are standard MIC unitized cables designed for use in plenum, riser and general purpose environments for intrabuilding backbone and horizontal installations. These multifiber cables use individuall y jacketed 900 Um buffered fibers enabling easy, consistent stripping and facilitating termination. The fibers are grouped into 6-, 12-, or 24-fiber jacketed subunits for quick and easy identification. These subunits surround a dielectric central membe r and are protected by a flexible, spirally wrapped, aluminum interlocking armor that offers easy, one-step installation and up to seven times the crush protection of unarmored cables.

With a flame-retardant outer jacket, this cable is particularly useful for heavy traffic or more challenging mechanical exposure conditions and applications requiring extra rugged cables for routing inside buildings, through riser shafts, to telecommunication rooms and to workstations.


General Purpose Horizontal, Vertical Riser, Plenum


  • 12-fiber jacketed subunits
  • Quick and easy identification Flexible, interlocking armor design
  • Seven times crush protection compared to non-armored cables TBII buffered fibers
  • Easy, consistent stripping Flame-retardant jacket
  • Rugged and durable

Specification Description

Cable Type: Tight-Buffered
Environment: Indoor
Fiber Category: Single-mode (OS2)
Flame Rating: Plenum (OFCP)
Product Type: Interlocking armor
Central Element: Jacketed GRP
Fiber Count (cable): 72
Fibers per Subunit: 12
Inner Jacket Material: Flame-retardant
Number of Ripcords: 8
Number of Subunits: 6
Outer Jacket Color: Yellow
Outer Jacket Material: Flame-retardant
Subunit Central Element: Dielectric
Subunit Color: Yellow
Tensile Strength Elements and/or Armoring - Layer 1: Dielectric strength members
Tensile Strength Elements and/or Armoring - Layer 2: Dielectric strength members
Tensile Strength Elements and/or Armoring - Layer 3: Interlocking armor
Tight Buffer Color Subunit, Layer 2: Brown, Slate, White, Red, Black, Yellow, Violet, Rose, Aqua
Tight buffer color subunit: Blue, Orange, Green
Max. Tensile Strengths, Long-Term (Metric): 200 N
Max. Tensile Strengths, Long-Term (US): 45 lbf
Max. Tensile Strengths, Short-Term (Metric): 660 N
Max. Tensile Strengths, Short-Term (US): 150 lbf
Min. Bend Radius Installation (Metric): 411 mm
Min. Bend Radius Installation (US): 16.2 in
Min. Bend Radius Operation (Metric): 274 mm
Min. Bend Radius Operation (US): 10.8 in
Nominal Inner Cable Diameter (Metric): 18.6 mm
Nominal Inner Cable Diameter (US): 0.72 in
Nominal Outer Diameter (Metric-mm): 27.4 mm
Nominal Outer Diameter (US): 1.08 in
Weight (cable) (Metric): 639 kg/km
Weight (cable) (US): 429 lb/1000 ft
Temperature - Installation (Metric): 0 C to 60 C
Temperature - Installation (US): 32 F to 140 F
Temperature - Operation (Metric): 0 C to 70 C
Temperature - Operation (US): 32 F to 158 F
Temperature - Storage (Metric): -40 C to 70 C
Temperature - Storage (US): -40 F to 158 F

Tech Info

Approval and Listings: National Electrical Code (NEC) OFCP, CSA FT-6, ICEA S-83-596; Flame Resistance: UL-1666 (for riser and general building applications); Free of hazardous substances according to RoHS 2002/95/EG


Armored YES
Fiber Count 72
Fire Rating PLENUM
UNSPSC Code 26121607

Spec Sheet

Spec Sheet

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