The Lightera DryBlock® Armored Loose Tube Cable offers an exceptionally rugged and highly reliable cabling solution for a wide range of demanding outside plant (OSP) applications, including direct buried in harsh environments. A layer of corrugated steel armor teams with two robust polyethylene (PE) jackets to deliver the muscle and rodent resistance needed for the most rigorous OSP use, in a cable that remains lightweight and easy to install.
To construct the cable, one to 12 optical fibers are placed within color-coded, gel-filled buffer tubes to protect the fibers from external mechanical and environmental forces and simplify fiber management. The buffer tubes are then stranded around a dielectric central member using the reverse oscillating lay (ROL) stranding method. Unlike other methods, ROL stranding enables quick and easy mid-span entry. DryBlock water-blocking material and dielectric strength elements are then applied to the cable core. Finally, a single layer of electrolytically chrome-coated steel (ECCS) armor is encased between two layers of hardy PE sheathing to complete the cable construction.
The Lightera DryBlock® Armored Loose Tube Cable offers an exceptionally rugged and highly reliable cabling solution for a wide range of demanding outside plant (OSP) applications, including direct buried in harsh environments. A layer of corrugated steel armor teams with two robust polyethylene (PE) jackets to deliver the muscle and rodent resistance needed for the most rigorous OSP use, in a cable that remains lightweight and easy to install.
To construct the cable, one to 12 optical fibers are placed within color-coded, gel-filled buffer tubes to protect the fibers from external mechanical and environmental forces and simplify fiber management. The buffer tubes are then stranded around a dielectric central member using the reverse oscillating lay (ROL) stranding method. Unlike other methods, ROL stranding enables quick and easy mid-span entry. DryBlock water-blocking material and dielectric strength elements are then applied to the cable core. Finally, a single layer of electrolytically chrome-coated steel (ECCS) armor is encased between two layers of hardy PE sheathing to complete the cable construction.
Development of the new TrueXMF Optical Fiber was driven by increasing demand for high pulse energy requirements in industrial surface treatment applications. The TrueXMF Optical Fiber builds upon the Lightera TrueLase™ Optical Fiber familydesigned for kilowatt single-mode fiber lasers for industrial machining and welding.Lightera, a global market leader in the design and manufacture of rare-earth dopedfibers, possesses the expertise and experience in fiber fabrication necessary tomeet that demand. Lightera has been developing and manufacturing high-power components and modules for many years and understands the reliability standardsexpected in the diverse material processing applications.
The TrueXMF Optical Fiber is an ideal tool for integrated, high-power fiber lasers and amplifiers designed for a wide variety of low coherence and high peak power, high average power, high pulse energy applications. Our fibers are producedfrom precision preform manufacturing process for high purity and high reliability, and unprecedented manufacturing control ensuring easy integration across the entire laser architecture. TrueXMF Optical Fiber utilizes the latest TrueClad low-index polymer coating specially engineered to ensure superior reliability andperformance in the most demanding of environments.
Fiber amplifier modules using TrueXMF Yb 200/400 fiber are also available.
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| Specifications | ||||||||
|---|---|---|---|---|---|---|---|---|
| Fiber Count | 2-60 |
61-72 |
73-96 |
97-120 |
121-144 |
145-216 |
217-240 |
241-288 |
| Outer Diameter – in. (mm) | 0.51 (13.0) | 0.55 (13.9) | 0.61 (15.6) | 0.68 (17.3) | 0.75 (19.1) | 0.75 (19.1) | 0.78 (19.9) | 0.86 (21.8) |
| Weight – lb/kft (kgm/km) | 104 (155) | 119 (177) | 149 (221) | 180 (268) | 215 (320) | 213 (317) | 234 (348) | 269 (401) |
| Performance Standard | |
|---|---|
| Performance Standard (all Cables) | Tested per Applicable Requirements of ANSI/ICEA S-87-640 and Telcordia GR-20 CORE Issue 4. |
| Handling | |
|---|---|
| Minimum Bend Radius, With Load | 15 X OD |
| Minimum Bend Radius, With No Load | 10 X OD |
| Minimum Bend Radius, Storage Coils | 10 X OD |
| Maximum Rated Cable Load (MRCL) | 600 lbf (2700 N) |
| Maximum Long Term Load | 180 lbf (800 N) |
| Note | OD = Outer Diameter of Cable, minimum of 6 in. (15 cm). See Lightera Installation Procedure 042 for sheath preparation and coiling instructions. |
| Temperature | |
|---|---|
| Installation | -22 °F to 140 °F (-30 °C to 60 °C) |
| Operation | -40 °F to 158 °F (-40 °C to 70 °C) |
| Storage | -40 °F to 167 °F (-40 °C to 75 °C) |
| Fiber Type² | |||||||
|---|---|---|---|---|---|---|---|
| Single-Mode Fiber | Fiber (S1) | Fiber (S2) | Fiber (SF) | Fiber Standards | Wavelengths (nm) | Typical* Attenuation (dB/km) | Maximum Cable on Reel Attenuation (dB/km) |
| AllWave® ZWP Fiber | 3 | B | E | G.652.D | 1310/1385/1550 | – | 0.35/0.31/0.25 |
| AllWave+ ZWP Fiber | 3 | C | E | G.652.D/G.657.A1 | 1310/1385/1550 | – | 0.35/0.31/0.25 |
| AllWave FLEX ZWP Fiber | 5 | B | E | G.652.D/G.657.A1 | 1310/1385/1550 | – | 0.35/0.31/0.25 |
| AllWave One Fiber | 3 | F | E | G.652.D/G.657.A1 | 1310/1385/1550 | 0.33/0.31/0.19 | 0.34/0.31/0.22 |
| AllWave ULL Fiber | 3 | H | E | G.652.D/G.657.B | 1310/1550 | 0.31/0.17 | 0.33/0.19 |
| TrueWave® RS LWP Fiber | 6 | 2 | 6 | G.655.C&D | 1550 | 0.21 | 0.25 |
| TeraWave® Fiber | 6 | 2 | R | G.654.B | 1550 | 0.19 | 0.25 |
| TeraWave ULL Fiber | 6 | 9 | R | G.654.E | 1550 | 0.18 | 0.22 |
| Multimode Fiber | Fiber (S1) | Fiber (S2) | Fiber (SF) | Fiber Standards | Wavelengths (nm) | Typical* Attenuation (dB/km) | Maximum Cable on Reel Attenuation (dB/km) |
| 62.5 µm Fiber | R | U | 9 | OM1 62.5 µm | 850/1300 | – | 3.4/1.0 |
| LaserWave FLEX 300 Fiber | L | F | 2 | OM3 50 µm | 850/1300 | – | 2.4/0.7 |
| LaserWave FLEX 550 Fiber | L | H | 2 | OM4 50 µm | 850/1300 | – | 2.4/0.7 |
| DryBlock Armored Loose Tube Cable Ordering Information | ||
|---|---|---|
| Example | AT-3BEN2TT-NNN¹ |
|
| Part Number | AT- S1 S2 SF S3 S4 S5 S6 – NNN |
|
| S1 | Fiber Selection. See S1 in Fiber Type table above. |
|
| S2 | Fiber Transmission Performance. See S2 in Fiber Type table above. |
|
| SF | Fiber Type². See SF in Fiber Type table above. |
|
| S3 | Sheath Construction. N = Double Jacket, Single Armor |
|
| S4 | Tensile Load. 2 = 600 lb. (2700 N) |
|
| S5 | Core Type. T = 2.5 mm Gel-Filled Buffer Tubes |
|
| S6 | Fibers per Tube. 2 = 2 fibers 4 = 4 fibers 6 = 6 fibers 8 = 8 fibers N = 10 fibers T = 12 fibers |
|
| NNN | Fiber Count = 002 – 288 | |
| Note | ¹ Part Number shown is for a DryBlock Armored Cable with standard AllWave ZWP attenuation and standard cable print. Maximum AllWave ZWP attenuation: 0.35/0.31/0.27/0.25/0.27 dB/km @ 1310/1385/1490/1550/1625 nm Standard Cable Print, example for DryBlock Armored Cable: LIGHTERA OPTICAL CABLE AT-3BEN2TT-NNN [MM-YY] [HANDSET SYMBOL] [NNN] F [SERIAL #] ² Contact Lightera Order Management for information on other cable variations, including additional fiber types, attenuation, and custom cable print. |
|
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