AC operation only - If you are wiring more than one camera to the same transformer, connect one side of the transformer to the same terminal on all cameras, and connect the other side of the transformer to the re- maining terminal on all cameras. Failure to connect all of the cameras the same way will cause the cameras to be out of phase with each other and may produce a vertical roll when switching between cameras.

Table A. Recommended Wire Gauge and Wiring Distances

The following are the recommended maximum distances for 24 VAC applications and are calculated with a 10- percent voltage drop. (Ten percent is generally the maximum allowable voltage drop for AC-powered devices.)

 

 

 

 

 

 

Wire Gauge

 

 

 

 

 

Total

 

20

 

18

 

16

 

14

 

12

 

10

 

 

 

 

 

 

vA

 

(0.5 mm2)

 

(1.0 mm2)

 

(1.5 mm2)

 

(2.5 mm2)

 

(4.0 mm2)

 

(6.0 mm2)

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

283

 

451

 

716

 

1142

 

1811

 

2880

 

 

(86)

 

(137)

 

(218)

 

(348)

 

(551)

 

(877)

 

 

 

 

 

 

 

 

 

 

 

 

 

Example: A camera that requires 10 vA and is installed 283 feet (86 m) from the transformer would require a minimum wire gauge of 20 AWG.

NOTE: Wire gauges are standard AWG or metric sizes. Distances are calculated in feet; values in parentheses are meters.

Table B. Video Coaxial Cable Requirements

Cable Type*

Maximum Distance

 

 

RG59/U

750 ft (229 m)

RG6/U

1,000 ft (305 m)

RG11/U

1,500 ft (457 m)

 

 

*Minimum cable requirements: 75 ohms impedance All-copper center conductor

All-copper braided shield with 95% braid coverage

[ 6 ] Pelco Manual C1937M-C (4/03)

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Pelco CC3701H-2X, C1937M-C (4/03) manual Wire Gauge

CC3701H-2X, C1937M-C (4/03) specifications

The Pelco C1937M-C (4/03) is a robust and versatile video surveillance camera that has become popular in various security applications. Known for its high-quality imaging and reliable performance, the CC3701H-2X model comes equipped with several advanced features and technologies that enhance its usability and effectiveness in diverse environments.

One of the standout features of the Pelco C1937M-C is its high-resolution imaging capabilities. It provides clear and detailed video output, ensuring that critical details are visible even in challenging lighting conditions. This capability is essential for applications where facial recognition or license plate identification is required, making it an ideal choice for security professionals.

The CC3701H-2X incorporates advanced image processing technology that enables it to perform well in both low-light and high-contrast situations. With a wide dynamic range (WDR), this camera can capture clear images in scenes that have both bright and dark areas, significantly reducing issues related to glare and shadows. The addition of infrared (IR) capabilities allows for night vision, ensuring that surveillance can continue around the clock.

Durability is another characteristic that sets the Pelco C1937M-C apart. This camera is designed to withstand harsh environmental conditions, making it suitable for outdoor installations. With an IP-rated housing, it offers protection against dust and moisture, ensuring long-term functionality without the need for frequent maintenance or replacement.

Moreover, the CC3701H-2X leverages Power over Ethernet (PoE) technology, which simplifies installation by allowing the camera to receive both power and data through a single cable. This not only reduces the complexity of the installation process but also enhances flexibility in camera placement, as it can be installed in locations where power outlets may not be readily available.

Integration with existing security systems is made easy with the Pelco C1937M-C camera, as it supports various communication protocols. This ensures compatibility with a wide range of video management systems (VMS), facilitating seamless operation in multi-camera setups.

In conclusion, the Pelco C1937M-C (4/03) and CC3701H-2X model stand out as a reliable choice for security applications, offering high-resolution imaging, advanced low-light performance, rugged durability, and easy installation through PoE technology. Its versatility and integration capabilities make it an essential asset for both commercial and residential security solutions.