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Nortel NT0H57AA OPERTA METRO 5000 Series: MP O

Nortel NT0H57AA OPERTA METRO 5000 Series: MP O
Nortel NT0H57AA OPERTA METRO 5000 Series: MP O
The Nortel OPERTA METRO 5000 Series MP O (part number NT0H57AA) is a high performance, modular telephone interface designed for modern office environments and large enterprise networks. Engineered by Nortel, this unit delivers crystal clear voice qua... Read More
price
$317.95
  • In Stock: 100
  • Manufacturer: Nortel
  • Model or Part: NT0H57AA
  • Condition: Refurbished
  • Weight: 3.00lb
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Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview
The Nortel OPERTA METRO 5000 Series MP O (part number NT0H57AA) is a high performance, modular telephone interface designed for modern office environments and large enterprise networks. Engineered by Nortel, this unit delivers crystal clear voice quality, robust signaling, and seamless integration with existing PBX or IP telephony systems. Its compact rackmount form factor and flexible configuration options make it an ideal choice for businesses seeking reliable, scalable communication solutions.

Key Features

  • Supports up to 48 simultaneous voice channels for high traffic volumes
  • Digital and analog line compatibility for mixed network environments
  • Built-in diagnostics and LED status indicators for quick troubleshooting
  • Plug-in modular cards allow easy expansion and customization
  • Low power consumption and fan-less design for quiet operation
  • Compliance with industry standards such as TIA/EIA and ETSI

Technical Specifications

  • Model: NT0H57AA
  • Manufacturer: Nortel
  • Form factor: 1U rackmount
  • Power: 48 VDC, 1.2 A max
  • Voice channel capacity: 48 ports
  • Supported protocols: ISDN PRI, analog POTS, SIP trunking (via optional module)
  • Operating temperature: 0 to 40 degrees C
  • Humidity: 10 to 90 percent non-condensing
  • Dimensions: 19 in wide x 1.75 in high x 12 in deep

Applications
The OPERTA METRO 5000 MP O is suited for a wide range of settings, including corporate headquarters, call centers, government agencies, and educational institutions. It excels in environments where high call volume, mixed line types, and reliable performance are critical. Use it to consolidate legacy analog lines with modern digital services, to provide redundancy for mission-critical communications, or to expand existing telephony infrastructure without costly system overhauls.