Avaya 848235875 Definity / Communication Manager PBX Expansion Card

Avaya 848235875 Definity / Communication Manager PBX Expansion Card Image 1

Avaya 848235875 TN2793B 24-port analog line card for Definity and Communication Manager systems.

The Avaya TN2793B (part number 848235875) is a 24-port analog line card designed to provide connections for analogue telephone devices within Avaya’s enterprise communication systems. This circuit pack enables the integration of traditional analogue endpoints such as fax machines, modems, and standard analogue telephones into digital PBX environments.

The TN2793B is designed for use with Avaya Definity and Avaya Communication Manager platforms, serving as a key interface between legacy analogue devices and the broader IP or digital telephony infrastructure. Each port supports a single analogue station, making it suitable for organisations that need to maintain analogue connectivity alongside modern unified communications.

This card is part of Avaya’s legacy TN-series circuit pack range, which has been widely deployed in enterprise telephony installations. While these systems are now considered legacy infrastructure, many organisations continue to operate and maintain them, creating ongoing demand for replacement and spare components.

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 Avaya 848235875 refurbished or new?
Tech-Star supplies both new and refurbished Avaya 848235875. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Avaya 848235875?
Refurbished Avaya 848235875 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 Avaya 848235875?
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 Avaya 848235875 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 Avaya 848235875 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 Features24 analogue line ports; TN-series circuit pack format; Supports analogue station devices; Hot-swappable design
ApplicationsEnterprise PBX analogue connectivity; Fax and modem integration; Legacy telephone support; Mixed digital-analogue environments
CompatibilityAvaya Definity systems; Avaya Communication Manager; Avaya G650 and G700 media gateways
Specifications24 analogue ports; TN2793B circuit pack designation; Single-slot TN carrier installation
PlatformAvaya Definity / Communication Manager
ManufacturerAvaya

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