Name: Definity 16-Port Analog Guest Line (SLT) Circuit Card
Brand: Avaya
Price: 63.95 USD
Availability: InStock

Avaya TN791 Definity 16-Port Analog Guest Line (SLT) Circuit Card

price

$63.95

In Stock: 3
Manufacturer: Avaya
Model or Part: TN791
Condition: Refurbished
Weight: 12.00lb

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 Avaya TN791 Definity 16-Port Analog Guest Line (SLT) Circuit Card delivers reliable analog voice connectivity for Avaya Definity communication platforms. Designed for high-density installations, this SLT card provides sixteen simultaneous analog guest lines, enabling seamless integration of legacy analog devices such as fax machines, modems, and standard telephones into modern IP-based networks. Its compact form factor and plug-in design simplify upgrades and expansions without disrupting existing services.

Key Features

Sixteen analog guest line ports on a single SLT card
Supports both tip and ring polarity reversal for flexible device compatibility
Hot-swap capable for zero-downtime installation and maintenance
Integrated line current monitoring and alarm detection
Low power consumption and high reliability for continuous operation
Compatible with all Avaya Definity platforms that support SLT modules

Technical Specifications

Model/Part Number: TN791
Port Type: Analog Guest Line (RJ11)
Number of Ports: 16
Impedance: 600 ohms typical
Voltage Range: 0 to 48 VDC
Current: 20 mA per line (max)
Operating Temperature: 0 to 55 deg C
Storage Temperature: -20 to 70 deg C
Dimensions: Standard SLT card size (approx 10.5 in x 8.5 in)
Power Supply: Draws power from the host Definity chassis

Applications

The TN791 card is ideal for businesses and organizations that need to maintain analog connectivity while transitioning to digital communications. Typical use cases include:

Connecting legacy fax machines and modems in corporate environments
Providing analog phone service for guest users in hotels, conference centers, and retail locations
Integrating legacy alarm and paging systems with modern VoIP infrastructure
Supporting call centers that require a mix of analog and digital endpoints
Facilitating phased migration projects where analog devices are gradually replaced

By delivering dependable analog line support in a compact, easy-to-install package, the Avaya TN791 helps organizations protect existing investments while embracing the flexibility of modern communication solutions.