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Cables

Cables form the backbone of surveillance, access control, and intercom systems. Selecting the correct cable type and rating ensures reliable data transmission, proper power delivery, and long-term system stability in commercial deployments.

Plan Your Deployment

Ethernet, fiber, or specialty cable requirements
Distance limitations and signal integrity planning
Indoor, outdoor, or plenum-rated environments
Shielded vs unshielded cable considerations
Future expansion and structured cabling design

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Coaxial Cables

8 items

Ethernet & Cat6 Cables

124 items

Fiber Optic Cables

3 items

Power Cables

48 items

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Digi International

Digi International 76002103 LTE Dipole SMA Antenna 1-3 dBi

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Digi International 76002104 18VDC 1A Wall Mount Power Supply

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Digi International 76002105 WiFi Antenna for 6350-SR

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Digi International 76002106 Ethernet Cable Unshielded Twisted

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Digi International 76002107 Power Supply 18VDC 1A

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Digi International 76002108 M12 T-Code Female Connector 5M

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Digi International 76002109 WR44RR TX64 Rail Ethernet Adaptor

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Digi International 76002112 18V Power Supply Unit

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Digi International 76002113 IX30 Accessory Kit

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Digi International 76002114 3G/4G/5G Multiband Cellular Module

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Digi International 76002117 18VDC 1A Wall Mount Power Supply

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Digi International 76002118 4G Dipole Magnetic Antenna

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Digi International 76002121 TX54 Power Supply Extended Temp

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Digi International 76002127 Wall Power Supply US

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Digi International 76002131 3G/4G/5G Multiband Cellular Antenna

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Digi International 76002136 TX40 5G Accessory Kit

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Browse by Product Family

Click through to shop the families that fit your cables deployment.

Ethernet Cables (Cat5e, Cat6, Cat6A)

Twisted-pair copper cabling for PoE camera runs, NVR backbone, and access control data transmission. Cat6 rated to 250 MHz; Cat6A supports 10 Gbps for network-core deployments.

Coaxial & RG Cables

SDI, HD-SDI, and analog video coax for traditional CCTV systems and hybrid analog/IP migrations. Shielded construction minimizes EMI in dense rack environments.

Power & DC Cables

12V DC, 24V AC/DC, and UPS umbilical cables for camera/dome power, PoE injectors, and outdoor weatherproof runs. Gauge rated for voltage drop over distance.

Specialty & Intercom Cables

RS-485, RS-232, and multi-conductor twisted-pair for PTZ control, access-control keypads, intercoms, and alarm/door-release wiring.

Bulk Spools & Reels

1000 ft and 5000 ft cable reels for large-scale deployments, campus environments, and system integrators. Cost-per-foot advantage over pre-terminated runs.

Pre-Terminated Patch & Assemblies

Factory-terminated Cat5e/6/6A and coax pigtails with boot/strain relief. RoHS-compliant connectors; tested at 100% continuity.

What to Look For When Buying

The decisions that matter most before you spec.

PoE Budget & Voltage Drop Planning

Undersized cable gauge causes voltage sag on long runs; cameras may brown out or reset mid-incident. Calculate copper loss at wire gauge + distance before ordering bulk spools. See PoE Budget Planning for IP Camera Deployments for real-world run lengths.

Network Backbone Integrity

Cat6A and fiber handoff cables prevent bottleneck collapse at the core switch when multiple 4K streams converge. Why Surveillance Networks Collapse at the Core details why discount patch cables fail under load.

Outdoor & Industrial Shielding

UV-rated jacket and foil/braid shielding reduce EMI from HVAC, lighting, and radio systems in warehouses, campuses, and factories. Plenum-rated cable required in air-return spaces per fire code.

System Redundancy & Failover

Dual cable runs (separate conduit) and managed switch uplinks prevent single-point-of-failure scenarios during incidents when video matters most. Why Surveillance Systems Fail During Incidents covers cabling as a root cause.

OEM Compatibility & Connector Standards

Confirm RJ45 boot style, connector gender, and strain-relief footprint against camera termination boxes and Axis, Honeywell, and Pelco dock specifications before bulk purchase to avoid rework.

Storage & Memory Infrastructure

NVR and server-side cabling (to SSD/HDD arrays) must meet throughput spec to avoid Storage Throughput Reality bottlenecks. Cat6A backbone recommended for multi-bitrate retention math calculations.

Technology Stack

The specs and acronyms that actually affect cables performance.

Cat5e / Cat6 / Cat6A Bandwidth & Distance

Cat5e supports 1 Gbps to 100 m; Cat6 rated 250 MHz, 1–10 Gbps (distance-dependent); Cat6A handles 10 Gbps to 100 m. Use Cat6A for future-proofed PoE+ and 802.3bt 90W+ camera/sensor deployments.

Gauge (AWG) & Voltage Drop

22 AWG loses ~10% voltage over 300 ft at 12V DC; 18 AWG better for 500+ ft outdoor runs. Use online voltage-drop calculator: VD = 2 × length (ft) × current (A) ÷ (gauge CM × conductivity).

Shielding (Foil vs. Braid) & EMI

Foil + braid shielding blocks RF noise from wireless, fluorescent ballasts, and radio towers. Shielded twisted-pair (STP) required in high-EMI industrial / manufacturing zones; UTP acceptable in office closets.

PoE Injector / Midspan Compliance

End-span (switch port) and mid-span injectors differ in polarity and power delivery pathways. Verify cable pinout (568A vs. 568B standard) matches injector expectations; mixed wiring causes device brownout.

Jacket Material & UV / Flame Rating

CMR/CMG jacket rated for plenum air return per NEC 800.53; outdoor UV-stabilized jackets resist sun degradation over 5–10 years. Flame rating (UL 1581 VW-1) required in commercial building codes.

Connector Types & Contact Resistance

RJ45 8P8C connectors with gold-plated contacts (8 µm min) reduce corrosion; pre-molded vs. field-crimp consistency affects long-term reliability in humid outdoor terminations.

Typical Deployment Scenarios

Mid-Size School District (50–80 Cameras, 3 Buildings)

Each building: 1× Cat6 backbone spool (1000 ft) + 20× pre-terminated 50 ft camera drops + 4× 24V DC power reels. Central NVR connected via dual Cat6A patch runs; access control keypads on 18 AWG twisted-pair. Budget ~$3–5K cable plant; Why Surveillance Standards Collapse After the Third Location warns against undersizing during expansion.

Warehouse / Manufacturing Floor (120+ IP Cameras, 4–5 Zones)

Overhead raceway with Cat6A backbone to each zone switch; camera runs on 18–20 AWG for PoE stability over 400+ ft concrete floor-to-riser distances. Coax RG-6 legacy analog feeds phased out or run parallel during transition. Shielded twisted-pair for dock door sensors and intercom paging.

High-Density Server/Data Center Retrofit (30+ Rack Sensors + Perimeter Cameras)

Single-mode fiber uplinks (LC connectors) from camera closet to main backbone; patch cables Cat6A only. 12V DC power loops (separate conduit) for UPS-backed sensors; RS-485 twisted-pair for temperature/humidity monitor integration.

Access Control & Intercom Integration (Distributed Multi-Location)

22 AWG twisted-pair with foil shielding for keypad / magnetic lock wiring at 12 doors per building; 24V AC transformer backfed through separate conduit. Intercom backbone on Cat6 to future IP-PBX handoff; 2N door station requires specific RJ-45 pinout validation.

Top Brands for Cables

Click through to each brand for engineering profile and NDAA compliance status.

Honeywell

Authorized dealer · browse the full Honeywell catalog for this category

Axis

Authorized dealer · browse the full Axis catalog for this category

Pelco

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Vivotek

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Hanwha

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Authorized dealer · browse the full 2N catalog for this category

Frequently Asked Questions

What cable gauge do I need for 500 ft camera runs?

For 500 ft PoE runs to a 12W camera, use 18 AWG minimum to stay under 3% voltage drop (~0.36V @ 12V). Cat6 or Cat6A twisted-pair is acceptable; calculate exact drop using: VD = 2 × 500 × 0.35A ÷ (1624 CM × 58.0) ≈ 1.9%. Verify with PoE Budget Planning guide.

Can I run Cat5e instead of Cat6 to save money?

Cat5e works for 1 Gbps single-camera runs, but does not support 10 Gbps backbone or high-bitrate NVR throughput under load. Cat6 is marginally more expensive per foot; use it for any future expansion or multi-stream aggregation.

What is the difference between shielded and unshielded cable?

Unshielded twisted-pair (UTP) is adequate in low-EMI office/mall environments; shielded twisted-pair (STP) or foil-shielded Cat6 is mandatory in factories, broadcast studios, and sites with strong RF or power-line interference. Shielding adds ~15–20% cost but prevents re-runs.

Do pre-terminated cables carry warranty?

Most factory-terminated assemblies are tested at 100% continuity and carry 1–3 year warranty against manufacturing defect (open/short). Field crimps are not warranted; use a certified crimper tool and punch-down blocks if extending.

What is plenum-rated cable and when is it required?

Plenum-rated (CMP) cable passes UL 910 low-smoke, halogen-free burn tests and is required by fire code in air-return ceiling spaces and HVAC ducts. Non-plenum (CMR/CMG) cable is acceptable in conduit runs and wall chases. Plenum is 2–3× cost; confirm AHJ code requirement before bulk order.

How do I troubleshoot cable intermittency in an existing install?

Use a Cat6 continuity tester (RJ45 loopback) to check open/short; measure DC resistance (should be <20 Ω per 100 ft run). If resistance is high or unstable, jacket may be pinched in conduit. Test voltage under load at camera end (should match budget calc). See Ask an Expert for onsite diagnostic support.

Related Categories

Adjacent equipment that typically ships alongside these products.

Storage & Memory Cards

Engineering Reading

Deep-dives from our engineering team on deployment planning.

Why Surveillance Systems Fail During Incidents Why Your NVR Can't Handle Its Rated Camera Count Why Surveillance Networks Collapse at the Core Why Large Surveillance Systems Fail: Storage Throughput Reality Why Surveillance Standards Collapse After the Third Location Why 4K Cameras Fail at Night Why Your PoE Switch Fails After 18 Cameras Frame Rate vs. Reality: When 30 FPS Makes Your System Worse

Cables

Plan Your Deployment

Sub categories

Showing Results for Cables

Digi International 76002103 LTE Dipole SMA Antenna 1-3 dBi

Digi International 76002104 18VDC 1A Wall Mount Power Supply

Digi International 76002105 WiFi Antenna for 6350-SR

Digi International 76002106 Ethernet Cable Unshielded Twisted

Digi International 76002107 Power Supply 18VDC 1A

Digi International 76002108 M12 T-Code Female Connector 5M

Digi International 76002109 WR44RR TX64 Rail Ethernet Adaptor

Digi International 76002112 18V Power Supply Unit

Digi International 76002113 IX30 Accessory Kit

Digi International 76002114 3G/4G/5G Multiband Cellular Module

Digi International 76002117 18VDC 1A Wall Mount Power Supply

Digi International 76002118 4G Dipole Magnetic Antenna

Digi International 76002121 TX54 Power Supply Extended Temp

Digi International 76002127 Wall Power Supply US

Digi International 76002131 3G/4G/5G Multiband Cellular Antenna

Digi International 76002136 TX40 5G Accessory Kit

Browse by Product Family

What to Look For When Buying

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Typical Deployment Scenarios

Top Brands for Cables

Frequently Asked Questions

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