Tubes 13 to 24 include a co-extruded stripe that is white for the black tube and black for all other tube colors.
Tubes 25 to 36 include a co-extruded stripe that is white for the red tube and red for all other tube colors.
Product Specification 312EW4-T4101N20_NAFTA_AEN
Page 2 | Revision date 2015-01-22
ALTOS
®
RD Loose Tube, Gel-Filled Cable
312 F, Single-mode (OS2)
Cable Design
Number of Ripcords
Outer Jacket Material
Outer Jacket Color
Maximum Fibers per Tube
Notes:
Notes:
1
Polyethylene (PE)
Black
12
Tubes 13 to 24 include a co-extruded stripe that is white for the black tube and black for all other tube colors.
Tubes 25 to 36 include a co-extruded stripe that is white for the red tube and red for all other tube colors.
Mechanical Characteristics Cable
Max. Tensile Strength, Short-Term
Max. Tensile Strength, Long-Term
Weight
Nominal Outer Diameter
Min. Bend Radius Installation
Min. Bend Radius Operation
2700 N (600 lbf)
890 N (200 lbf)
233 kg/km (156 lb/1000 ft)
21.4 mm (0.84 in)
321 mm (12.6 in)
214 mm (8.4 in)
Chemical Characteristics
RoHS
Free of hazardous substances according to RoHS 2002/95/
EG
Fiber Specifications
Optical Characteristics (cabled)
Fiber Name
Fiber Category
Fiber Code
Performance Option Code
Wavelengths
Maximum Attenuation
Typical attenuation
SMF-28e+
®
fiber
G.652.D
E
01
1310 nm / 1383 nm / 1550 nm
0.4 dB/km / 0.4 dB/km / 0.3 dB/km
0.33 dB/km / 0.33 dB/km / 0.19 dB/km
*
Typical attenuation values match the attenuation values listed in the optical fiber specifications. See
www.corning.com/opticalfiber
for Corning optical fiber
specifications. Better attenuation performance options are available for some fiber and cable types. Contact Customer Care for additional fiber options.
*
* SMF-28
®
Ultra and ClearCurve
®
XB fiber deliver up to 10x better macrobend loss performance compared to the G.652.D standard and up to 33 percent better
macrobend loss performance than the G.657.A1 standard for 10mm radii bends.
Product Specification 312EW4-T4101N20_NAFTA_AEN
Page 3 | Revision date 2015-01-22
ALTOS
®
RD Loose Tube, Gel-Filled Cable
312 F, Single-mode (OS2)
Ordering Information
Part Number
Product Description
312EW4-T4101N20
ALTOS
®
RD Loose Tube, Gel-Filled Cable, 312 F, Single-
mode (OS2)
Corning Optical Communications LLC • PO Box 489 • Hickory, NC 28603-0489 USA
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