


DLR-CAT5E & DLR-CAT6-12C24 Reinforced Underwater Cat5e / Cat6 Ethernet & Power Composite Cable
Vectran-braid-reinforced (500 kg breaking strength / 125 kg safe working load) negatively buoyant underwater industrial Ethernet and composite power cables: DLR-CAT5E (4 × 2 × 24/7 AWG Cat5e F/UTP in a 10.2 mm orange PUR jacket, 90 V) and DLR-CAT6-12C24 (4 × 2 × 24/7 AWG Cat6 F/UTP plus 12 × 24 AWG power conductors—20 cores total—in a 12.6 mm yellow PUR jacket, 300 V) for subsea IP cameras, multibeam sonars and towed Ethernet instrumentation.
Modern high-definition subsea IP cameras, multibeam echo sounders, acoustic Doppler current profilers (ADCPs) and remotely operated inspection frames require 100BASE-TX or 1000BASE-T Gigabit Ethernet links capable of withstanding dynamic winch tension and marine abrasion. The DLR-CAT5E and DLR-CAT6-12C24 series combines 100 ± 15 Ω (1–100 MHz) foamed/solid polyolefin F/UTP data pairs with a 500 kg breaking-strength Vectran fiber braid and a 1.4 mm hydrolysis-resistant polyurethane (PUR) outer sheath.
DLR-CAT5E is a dedicated 8-core (4 × 2 × 0.20 mm² / 24/7 AWG) Cat5e F/UTP underwater Ethernet cable finished in a high-visibility orange PUR jacket with a 10.2 mm outside diameter. Rated at 90 V working voltage and < 190 Ω/km conductor resistance, it weighs 107 kg/km in air, 25 kg/km in fresh water and 23 kg/km in seawater, with a 75 mm static and 150 mm dynamic minimum bending radius across -20 °C to +60 °C.
For subsea IP payloads requiring separate auxiliary power and control conductors alongside Gigabit Ethernet, DLR-CAT6-12C24 integrates a 4 × 2 × 0.20 mm² (24/7 AWG) Cat6 F/UTP core (mutual capacitance 48 pF/m) with 12 × 0.20 mm² (24 AWG, < 88.67 Ω/km, 300 V) power conductors (20 cores total) inside a 12.6 mm yellow PUR jacket (-40 °C to +80 °C, 63 mm static / 126 mm dynamic bend radius).
Specify DLR-CAT5E or DLR-CAT6-12C24, continuous length (up to 500 m) and subsea RJ45 or circular wet-mate connector requirements with your enquiry. TEBAOFLEX supplies custom lengths from a 50 m minimum order quantity with a standard lead time of 7–45 working days.
Explore the marine, offshore and underwater cable range for related configurations.
For related high-speed subsea data tethers and Vectran-reinforced ROV umbilicals, compare: DLR Series Vectran-Reinforced Underwater Video, Data & Power Umbilical Cable (4 to 10 Cores — DLR-1P20-2C50 to DLR-4P25-2C100) (4-to-10-core Vectran-braided power and serial telemetry umbilicals for inspection ROVs); DLRB-3TP6C & GAX Series Neutrally Buoyant Multi-Pair & Power ROV Tether Cable (250 V) (neutrally buoyant multi-pair and 250 V power tethers for free-swimming underwater vehicles). Verify Cat5e or Cat6 channel bandwidth, conductor gauge, and safe working load before deployment.
Construction
The representative construction illustrates DLR-CAT6-12C24 20-Core Reinforced Underwater Cat6 Ethernet + Power Composite Cable: a central 4 × 2 × 0.20 mm² (24/7 AWG) Cat6 F/UTP data core (100 ± 15 Ω, 48 pF/m, overall foil screen and drain wire) surrounded by 12 × 0.20 mm² (24 AWG) tinned-copper power/control conductors, mechanically reinforced by a 500 kg Vectran fiber braid and protected by a 1.4 mm yellow polyurethane outer sheath (Ø 12.6 mm).

| Component | Material and construction |
|---|---|
| Cat5e / Cat6 Ethernet data pairs | 4 × 2 × 0.20 mm² (24/7 AWG) stranded tinned copper twisted pairs in TIA/EIA 568 colour code (white-blue/blue, white-orange/orange, white-green/green, white-brown/brown), 100 ± 15 Ω impedance (1–100 MHz). |
| F/UTP data screen | Overall aluminium/polyester foil tape screen with continuous tinned-copper drain wire enclosing the 4-pair Cat5e (DLR-CAT5E) or Cat6 (DLR-CAT6-12C24, 48 pF/m mutual capacitance) core. |
| Auxiliary power & control cores (DLR-CAT6-12C24) | 12 × 0.20 mm² (24 AWG) stranded tinned copper conductors (< 88.67 Ω/km at 20 °C, 300 V working voltage) cabled concentrically around the screened Cat6 core for parallel DC power or discrete telemetry. |
| Vectran tensile braid | High-tenacity Vectran liquid-crystal polymer (LCP) braided strength member providing 500 kg (4.9 kN) breaking strength and 125 kg (1.23 kN) maximum continuous working load. |
| Outer polyurethane jacket | 1.4 mm nominal wall hydrolysis- and UV-resistant polyurethane (PUR) outer sheath: orange on DLR-CAT5E (Ø 10.2 mm) and yellow on DLR-CAT6-12C24 (Ø 12.6 mm). |
Applications
Choose DLR-CAT5E for standalone PoE/PoE+ underwater IP cameras and Ethernet sensors, or DLR-CAT6-12C24 when high-wattage subsea LED lamps, pan-tilt motors or multi-rail DC supplies require 12 dedicated power cores alongside Gigabit Ethernet.

- Subsea HD/4K IP video cameras, photogrammetry rigs and laser-scaling arrays on commercial diving bells, observation ROVs and drop frames.
- Towed multibeam echo sounders (MBES), side-scan sonars, sub-bottom profilers and ADCPs requiring a 500 kg breaking-load negatively buoyant tether.
- Cabled coastal observatories, port security sonar nodes, lock-gate monitoring cameras and offshore wind turbine foundation inspection winches.
- Continuous slip-ring winch deployments up to 500 m (with PoE extenders or DSL/Ethernet repeaters for spans beyond 100 m standard IEEE 802.3 segment limits).
For subsea Ethernet system integration and lightweight buoyant tether options, consult: Custom Subsea & Marine Cable Manufacturer (custom marine cable manufacturing for ROV, sonar, and offshore deck equipment); Neutrally Buoyant ROV Tether Cable - Cat5e FTP (foamed-jacket neutrally buoyant Cat5e FTP tether for compact observation-class ROVs). Confirm maximum Ethernet segment length, PoE current capacity, and subsea connector pinout.
Specifications
| Parameter | Value |
|---|---|
| Model designations | DLR-CAT5E (8-core Cat5e F/UTP) and DLR-CAT6-12C24 (20-core Cat6 F/UTP + 12×24 AWG Power) |
| Characteristic impedance (1–100 MHz) | 100 ± 15 Ω (Cat6 mutual capacitance 48 pF/m on DLR-CAT6-12C24) |
| Conductor DC resistance at 20 °C | < 190 Ω/km (DLR-CAT5E 24/7 AWG); < 88.67 Ω/km (DLR-CAT6-12C24 24 AWG data & power) |
| Rated working voltage | 90 V (DLR-CAT5E); 300 V (DLR-CAT6-12C24) |
| Outside diameter & jacket color | Ø 10.2 mm in 1.4 mm orange PUR (DLR-CAT5E); Ø 12.6 mm in 1.4 mm yellow PUR (DLR-CAT6-12C24) |
| Breaking strength & working load | 500 kg breaking strength / 125 kg maximum working load (Vectran fiber braid on both models) |
| Weight in air / fresh water / seawater | DLR-CAT5E: 107 / 25 / 23 kg/km; DLR-CAT6-12C24: 153 / 28 / 25 kg/km |
| Bending radius & operating temperature | DLR-CAT5E: 75 / 150 mm (-20 to +60 °C); DLR-CAT6-12C24: 63 / 126 mm (-40 to +80 °C) |
| Commercial supply terms | Minimum order quantity 50 m (continuous lengths up to 500 m); lead time 7–45 working days |
| Parameter | DLR-CAT5E (8-Core Cat5e F/UTP) | DLR-CAT6-12C24 (20-Core Cat6 F/UTP + Power) |
|---|---|---|
| Product code | DLR-CAT5E | DLR-CAT6-12C24 |
| Data pair configuration | 4 × 2 × 0.20 mm² (4 × 2 × 24/7 AWG) Cat5e F/UTP | 4 × 2 × 0.20 mm² (4 × 2 × 24/7 AWG) Cat6 F/UTP |
| Dedicated power conductors | None (supports PoE / PoE+ over data pairs) | 12 × 0.20 mm² (12 × 24 AWG) tinned copper power cores |
| Total conductor count | 8 conductors (4 twisted pairs) | 20 conductors (4 twisted pairs + 12 power cores) |
| Characteristic impedance (1–100 MHz) | 100 ± 15 Ω | 100 ± 15 Ω (Cat6 mutual capacitance: 48 pF/m) |
| Max. conductor DC resistance at 20 °C | < 190 Ω/km (24/7 AWG) | < 88.67 Ω/km (24 AWG data & power cores) |
| Rated working voltage | 90 V | 300 V |
| Tensile strength member | Vectran LCP fiber braid | Vectran LCP fiber braid |
| Breaking strength / max. working load | 500 kg / 125 kg | 500 kg / 125 kg |
| Outer jacket material, color & thickness | Orange hydrolysis/UV-resistant PUR (1.4 mm) | Yellow hydrolysis/UV-resistant PUR (1.4 mm) |
| Nominal outside diameter | Ø 10.2 mm | Ø 12.6 mm |
| Weight in air / fresh water / seawater | 107 kg/km / 25 kg/km / 23 kg/km | 153 kg/km / 28 kg/km / 25 kg/km |
| Min. bending radius (static / dynamic) | 75 mm / 150 mm | 63 mm / 126 mm |
| Operating temperature & max. length | -20 °C to +60 °C (up to 500 m) | -40 °C to +80 °C (up to 500 m) |
| Model & circuit group | Core / pair designation | Electrical metric | Standard protocol / power mode | Typical subsea payload |
|---|---|---|---|---|
| DLR-CAT5E — Pair 1 & 2 | 2 × 2 × 24/7 AWG (Orange & Green pairs) | 100 ± 15 Ω, < 190 Ω/km | 100BASE-TX Fast Ethernet + IEEE 802.3af/at PoE | Subsea IP camera or network sonar |
| DLR-CAT5E — Pair 3 & 4 | 2 × 2 × 24/7 AWG (Blue & Brown pairs) | 100 ± 15 Ω, < 190 Ω/km | 1000BASE-T Gigabit (all 4 pairs) or spare PoE | Gigabit multibeam sonar head |
| DLR-CAT6-12C24 — Cat6 Core | 4 × 2 × 24/7 AWG Cat6 F/UTP | 100 ± 15 Ω, 48 pF/m, < 88.67 Ω/km | 1000BASE-T Gigabit Ethernet (4-pair full duplex) | 4K IP subsea camera / MBES / ADCP |
| DLR-CAT6-12C24 — Power Group A | 6 × 0.20 mm² (24 AWG) bussed V+ | ~14.78 Ω/km combined (1.20 mm² eq.) | 300 V DC positive bus (24 V / 48 V / 110 V DC) | High-intensity subsea LED floodlights |
| DLR-CAT6-12C24 — Power Group B | 6 × 0.20 mm² (24 AWG) bussed GND | ~14.78 Ω/km combined (1.20 mm² eq.) | 300 V DC return bus | Common DC power return or pan-tilt drive |
Unlike unreinforced 30 V foamed neutrally buoyant tethers, DLR-CAT5E and DLR-CAT6-12C24 are negatively buoyant (23–25 kg/km in seawater) and reinforced with a 500 kg Vectran braid for towed and suspended winch service.
For 100BASE-TX / 1000BASE-T links, standard IEEE 802.3 channel reach is up to 90–100 m; lengths up to 500 m are supported when used with long-reach Ethernet/VDSL2 modems or subsea PoE repeaters.
The 12 × 24 AWG power conductors in DLR-CAT6-12C24 can be paired in parallel groups (e.g., 6 × V+ and 6 × GND, equivalent to 1.2 mm² per polarity) to minimize voltage drop over long cable runs.
Standards
| Standard or specification | Application |
|---|---|
| ISO/IEC 11801 & IEC 61156-6 | Category 5e and Category 6 balanced 100 Ω patch/work-area stranded cable transmission parameters. |
| IEEE 802.3ab / 802.3at / 802.3bt | 1000BASE-T Gigabit Ethernet and Power over Ethernet (PoE / PoE+ / PoE++) compatibility. |
| IEC 60228 | Stranded 24/7 AWG tinned copper conductors for dynamic flexing subsea umbilicals. |
| EN 50363-10-2 & ISO 4892 | Hydrolysis- and UV-resistant polyurethane (PUR) outer sheath compound verification. |
IEC 61156 Balanced Communication Cable Standards at IEC Webstore
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