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- In Stock: 10
- Manufacturer: Nortel
- Model or Part: NT4K55AA
- Condition: Refurbished
- Weight: 17.00lb
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Item Condition
New - Sealed or Open Box ConditionExcellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item
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Overview
The Nortel NT4K55AA Access Interface is a versatile connectivity solution designed to bridge legacy telephony equipment with modern IP networks. Engineered for reliability and ease of integration, this interface provides seamless conversion of analog and digital signals, enabling businesses to extend the life of existing infrastructure while preparing for future upgrades.
Key Features
- High density port configuration supports multiple channel types
- Plug and play installation reduces deployment time
- Robust hardware design with redundant power options
- Comprehensive management via web based GUI and SNMP
- Supports both TDM and VoIP protocols for flexible deployment
Technical Specifications
- Model number: NT4K55AA
- Manufacturer: Nortel
- Port capacity: 48 analog ports, 4 digital T1/E1 ports
- Signal conversion: Analog to digital and digital to IP
- Network interfaces: 2 x 10/100/1000 Ethernet ports
- Power supply: Dual redundant 100-240 V AC, optional PoE
- Operating temperature: 0 to 40 degrees Celsius
- Dimensions: 440 mm x 200 mm x 44 mm (W x D x H)
- Weight: 5.5 kg
Applications
- Enterprise PBX extensions where legacy phones are retained
- Call center environments requiring mixed analog and digital line support
- Carrier grade gateways for small to medium service providers
- Unified communications deployments that need seamless integration of older hardware
- Remote office connectivity where bandwidth efficiency and reliability are critical
This Access Interface delivers the performance and flexibility needed to protect existing investments while enabling a smooth transition to next generation communication platforms.