Avaya TN747B V29 Definity / G3 enterprise PBX PBX Card / Module

Avaya TN747B V29 Definity / G3 enterprise PBX PBX Card / Module Image 1

Avaya TN747B: CO Trunk circuit pack for Avaya Definity/G3 PBX.

The Avaya TN747B is a Central Office (CO) trunk circuit pack for the Avaya Definity/G3 PBX platform, terminating loop-start or ground-start analogue exchange lines and presenting them to the system as outside trunks. It is the analogue counterpart to the platform’s digital DS1/T1/E1 trunk cards, used where a site takes analogue rather than digital circuits from its carrier.

Definity was AT&T’s and then Lucent’s enterprise PBX, carried forward by Avaya as Communication Manager, and it is built from a cabinet of TN-prefixed circuit packs. Trunk cards for outside circuits sit alongside line cards for extensions, tone and announcement packs for the system’s own audio, and control packs for the processor complex. The platform ran for decades with the same physical card format, which is why individual packs are still traded and still fit.

Give us the system details or a picture of the part label and we will physically check the match before despatch. Tech-Star is UK-based and ships worldwide. Please contact our sales team for current availability and pricing on the Avaya TN747B V29.

Worldwide supply. We export new and refurbished telecoms and networking equipment internationally. International buyers welcome, request a delivered quote in your currency. Supply subject to export checks.

From the same manufacturer

Compatible with the same platform

Frequently asked questions

Is the Avaya TN747B V29 refurbished or new?
Tech-Star supplies both new and refurbished Avaya TN747B V29. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Avaya TN747B V29?
Refurbished Avaya TN747B V29 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 TN747B V29?
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 TN747B V29 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 TN747B V29 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 FeaturesGenuine Avaya component; CO Trunk circuit pack for Avaya Definity/G3 PBX; Definity/G3 platform compatible
ApplicationsAvaya PBX system maintenance; component redundancy and spares; system capacity expansion
CompatibilityAvaya Definity / G3 enterprise PBX
SpecificationsCO Trunk circuit pack for Avaya Definity/G3 PBX
PlatformAvaya Definity / G3 enterprise PBX
ManufacturerAvaya

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