Name: DS3x3 Interface Module
Brand: Nortel
Price: 209.95 USD
Availability: InStock

Nortel NTN437AA DS3x3 Interface Module

The Nortel NTN437AA DS3x3 Interface Module is a high-performance, carrier-grade solution designed to provide reliable DS3 (Digital Signal 3) connectivity for demanding telecommunications environments. This compact module delivers three independent DS... Read More

price

$209.95

In Stock: 2
Manufacturer: Nortel
Model or Part: NTN437AA
Condition: Refurbished
Weight: 4.00lb

Qty

Add to Cart

Buy Now

Add to Wish List

Shipping Information

United States Shipping

Orders over $200 qualify for Free Super-Saver Shipping! We ship at our discretion via the most cost-effective method using FedEx, UPS, or USPS.

To ensure your order is processed efficiently, all shipping charges must be pre-paid at checkout. We are unable to bill directly to third-party shipper accounts or use customer-provided labels for domestic shipments.

International Shipping

International orders begin processing as soon as payment is confirmed.

Pre-paid Shipping: For your convenience, you can select and pay for international shipping directly at checkout.
Carrier Accounts: Alternatively, we can bill transport costs directly to your FedEx account number. (Note: We cannot bill to DHL, TNT, or UPS accounts).
Customer Labels: We are also happy to ship internationally using pre-paid labels provided by you for any carrier.

Expedited and Rush Shipping

Need it faster? HardwareJet.com offers 1 or 2-day expedited shipping options during checkout for eligible items.

To get your order to the front of the line, expedited orders include a small rush fee in addition to the carrier's shipping charges. If an item is not available for expedited shipping, these options will not appear in your cart.

Product Information

Item Condition

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

To bring you an even wider selection, some of our items are shipped directly from our trusted partners. Delivery times may vary for these items.

Description

Overview
The Nortel NTN437AA DS3x3 Interface Module is a high-performance, carrier-grade solution designed to provide reliable DS3 (Digital Signal 3) connectivity for demanding telecommunications environments. This compact module delivers three independent DS3 ports in a single chassis slot, enabling efficient use of space while supporting high-speed data transport across legacy and modern networks. Engineered for robust operation, the NTN437AA ensures low latency, error-free transmission and seamless integration with Nortel and third-party equipment.

Key Features

Three full-rate DS3 ports with independent transmit and receive paths
Plug-in design for easy installation and maintenance
Built-in diagnostics and LED status indicators for rapid fault identification
Supports both SONET and SDH framing formats
Low power consumption and heat dissipation for cost-effective operation
Backwards compatible with legacy Nortel systems and interoperable with industry standard equipment

Technical Specifications

Interface type: DS3 (44.736 Mbps) per port
Connector: BNC (coaxial) with optional fiber optic conversion kits
Operating temperature: 0 to 55 deg C
Power supply: 48 VDC, 1.5 A max per module
Dimensions: 1U rack height, 19 inch width
Compliance: FCC Part 15, CE Mark
MTBF: greater than 100,000 hours

Applications
The NTN437AA DS3x3 Interface Module is ideal for a wide range of telecom and data networking scenarios, including:

Carrier backbone and metro aggregation points
Enterprise wide area network (WAN) interconnects
Voice over IP (VoIP) gateways requiring DS3 transport
Video conferencing and broadcast distribution networks
Disaster recovery sites that need reliable high-speed links
Network service providers upgrading from T1 to DS3 capacity

By delivering three DS3 channels in a single, reliable module, the Nortel NTN437AA helps operators reduce equipment footprints, simplify cabling, and maintain high levels of service availability across mission critical infrastructures.