Avaya TN771DP Definity/MultiVantage PBX Expansion Card

Avaya TN771DP Definity/MultiVantage PBX Expansion Card Image 1

Avaya TN771DP Maintenance/Test Board HV6 for Definity and MultiVantage PBX systems.

The Avaya TN771DP is a Maintenance/Test circuit pack designed for Avaya Definity and MultiVantage communication systems. This board provides essential diagnostic and testing capabilities for PBX maintenance operations, enabling technicians to perform line testing, fault isolation and system diagnostics.

The TN771DP is installed in Definity and MultiVantage cabinet slots and interfaces with the system’s maintenance architecture. It supports high-voltage testing functions (HV6 designation) for comprehensive line and trunk circuit verification, making it a critical component for ongoing system health monitoring and troubleshooting.

This is a legacy circuit pack from Avaya’s Definity/MultiVantage era. While these platforms have been superseded by Avaya Aura, many installations remain in active service and require maintenance spares. The TN771DP continues to be sought after for sustaining existing deployments.

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

From the same manufacturer

Frequently asked questions

Is the Avaya TN771DP refurbished or new?
Tech-Star supplies both new and refurbished Avaya TN771DP. Refurbished items are tested and graded against manufacturer specifications; the condition is confirmed at quote.
What warranty is included with the Avaya TN771DP?
Refurbished Avaya TN771DP 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 TN771DP?
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 TN771DP 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 TN771DP 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 FeaturesPBX maintenance and diagnostics; High-voltage line testing capability; Circuit pack form factor; Fault isolation support
ApplicationsPBX system maintenance; Line and trunk testing; Fault diagnosis in legacy Avaya systems
CompatibilityAvaya Definity G3 series; Avaya MultiVantage; Definity ECS cabinets
SpecificationsHV6 high-voltage test version; TN-series circuit pack format
PlatformAvaya Definity/MultiVantage
ManufacturerAvaya

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