NEC CD-4COTB Trunk Loop Start Dual Port Interface Module

( Brand: Nec ), ( Manufacturer Part Number: CD-4COTB ), ( Part Type: Interface Module )

Review NEC Co Trunk Loop Ground Start Dual Port Interface Module

The NEC CD-4COTB Trunk Loop Start Dual Port Interface Module is a versatile telecommunications device designed for use in digital trunking systems. This module features two independent ports, each capable of supporting loop start signaling for T1 or E1 circuits.

The module is compact in size, with dimensions of approximately 1.7 inches by 4.9 inches by 1.1 inches (4.3 cm x 12.4 cm x 2.8 cm), making it an ideal choice for space-constrained telecommunications environments. It is also designed for easy installation, with a standard mounting bracket and simple wiring requirements.

The CD-4COTB module is built with high-quality components for reliable performance. It supports a wide range of data rates, including DS0, DS1, and E1, and can be used with both analog and digital circuits. The module also includes advanced features such as automatic detection of loop start signaling, which eliminates the need for manual configuration.

One of the key benefits of the CD-4COTB module is its ability to support dual trunking ports. This means that the module can be used to connect two separate trunking systems, allowing for increased capacity and redundancy. The module also includes built-in test features, such as loopback testing, which can help ensure that the connection between the two systems is working correctly.

The CD-4COTB module is designed to be compatible with a wide range of telecommunications systems, including those from NEC, Avaya, and Mitel. It is also RoHS compliant, which means that it is free from certain hazardous materials.

Overall, the NEC CD-4COTB Trunk Loop Start Dual Port Interface Module is a high-performance and versatile telecommunications device that is perfect for use in digital trunking systems. Its compact size, advanced features, and easy installation make it a popular choice among telecommunications professionals.

The NEC CD-4COTB Trunk Loop Start Dual Port Interface Module is a telecommunications device designed to provide loop start functionality for two trunk lines. Here are some pros and cons that may help you make an informed decision about purchasing this module:

1. Loop Start Functionality: This module provides loop start functionality for two trunk lines, which is essential for certain VoIP and traditional PBX systems.

2. Reliability: NEC is a reputable brand known for producing high-quality telecommunications equipment.

3. Redundancy: With two ports, this module offers redundancy, ensuring business continuity in case one port fails.

4. Easy Installation: The CD-4COTB is designed for easy installation, saving time and resources.

5. Compatibility: It is compatible with various NEC systems, making it a versatile option.

1. Cost: The CD-4COTB is a premium product, and its cost may be a barrier for some businesses.

2. Requires Power Source: This module requires a power source, which may add to the installation complexity and cost.

3. Limited Features: Compared to more advanced modules, the CD-4COTB has limited features.

4. May Require Additional Adapters: Depending on the specific system configuration, additional adapters may be required, adding to the overall cost.

The NEC CD-4COTB Trunk Loop Start Dual Port Interface Module offers reliability, redundancy, and ease of installation. However, its cost and limited features may be drawbacks for some businesses. If you require loop start functionality for your telecommunications system and value NEC's reputation for quality, this module could be a worthwhile investment. If you need more advanced features or are budget-conscious, you may want to explore alternative options.

Details:

Cosmetic Condition A Excellent, Functional Key Functions Working, Data Status ND Non-Data, R2 Applicability C Controlled.

part #: cd4cotb prices

• $59.97-$221.00

specifications switchchunk:

• brand: Nec
• mpn: Cd-4cotb
• part type: Interface Module

returns switchchunk:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer
• method: Money back

seller switchchunk:

• city: Billerica, Massachusetts
• # reviews: 1058
• rating: 100.0%

offer switchchunk:

• availability: In Stock
• sold: 0
• started: June 14, 2025
• options: Ship-to-home
• quantity: 1

payments switchchunk:

• credit card: Visa
• other
• wallet: Google-pay

shipping switchchunk:

• transit: 5-11 Days
• carrier: USPS
• type: Fixed
• cost: $0.00
• service: USPS Priority Mail
• class: Expedited

general switchchunk:

• Enterprise Networking, Servers > Switches Hubs > Switch Modules
• condition: Used

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