Nortel NTBK50AA Meridian 1 PBX Expansion Card

Nortel NTBK50AA Meridian 1 PBX Expansion Card Image 1

Nortel NTBK50AA 2MB PRI card for Meridian PBX systems.

The Nortel NTBK50AA is a 2MB Primary Rate Interface (PRI) card designed to provide ISDN connectivity for Nortel telecommunications systems. This card delivers a 2.048 Mbps E1 connection supporting up to 30 voice channels plus signalling, enabling digital trunk connectivity to PSTN or private network services.

The NTBK50AA is designed for use within Nortel Meridian PBX platforms, providing essential ISDN30 trunk capacity for enterprise telephony deployments. It allows organisations to establish high-capacity digital connections to telecommunications carriers for inbound and outbound voice traffic.

This is a legacy product from Nortel’s Meridian portfolio. Following Nortel’s dissolution, these systems remain in service across many established enterprise installations. Refurbished PRI cards such as the NTBK50AA are essential for maintaining and expanding existing Meridian infrastructure where migration to newer platforms is not yet planned.

Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

From the same manufacturer

Compatible with the same platform

Frequently asked questions

Is the Nortel NTBK50AA refurbished or new?
Tech-Star supplies both new and refurbished Nortel NTBK50AA. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Nortel NTBK50AA?
Refurbished Nortel NTBK50AA comes with a 90-day parts and labour warranty as standard. Extended warranty options are available on request.
How do I get a price for the Nortel NTBK50AA?
Pricing reflects current stock and lead time, so we quote per enquiry. Submit the part number through the contact form for a quote, typically within one business hour.
Can the Nortel NTBK50AA be returned?
Returns are accepted within 14 days of delivery in line with our return policy. A restocking fee may apply for opened items.
How quickly can the Nortel NTBK50AA be delivered?
Lead time depends on current stock. UK-based items typically ship the next business day; sourced items vary. We confirm lead time at quote.

Key Features2MB E1 PRI interface; ISDN30 trunk support; Up to 30 voice channels; Digital PSTN connectivity
ApplicationsEnterprise PBX trunk connectivity; ISDN30 carrier services; Legacy Meridian system expansion
CompatibilityNortel Meridian 1; Nortel Meridian Option series
Specifications2.048 Mbps E1 interface; Primary Rate ISDN; 30B+D channel configuration
PlatformMeridian 1
ManufacturerNortel

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