Cart0 item(s) - $0.00 0

  • Your shopping cart is empty!

0

Avaya Lucent TN748B Definity Tone Detector Card

Avaya Lucent TN748B Definity Tone Detector Card
Avaya Lucent TN748B Definity Tone Detector Card
OverviewThe Avaya Lucent TN748B Definity Tone Detector Card is a high-performance module designed for integration into Avaya Definity telephony platforms. Engineered to deliver reliable detection of DTMF and other in-band tones, this card enables pre... Read More
price
$70.95

Ships next business day.

  • In Stock: 3
  • Manufacturer: Avaya Lucent
  • Model or Part: TN748B
  • Condition: Refurbished
  • Weight: 8.00lb
  • Dimensions: 15.00in x 12.00in x 10.00in
Add to Cart
Buy Now Question?
Add to Wish List

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.

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.
1-Port 1000Base Module for Cajun P330 Switches - 1000Mbps Gigabit Ethernet
Quickview
1-Port 1000Base Module for Cajun P330 Switches - 1000Mbps Gigabit Ethernet
$105.95
Add to Cart Add to Wish List
1000Base SFP LX Transceiver - 1310nm Single-Mode Fiber Optic Module
Quickview
1000Base SFP LX Transceiver - 1310nm Single-Mode Fiber Optic Module
$13.95
Add to Cart Add to Wish List
1000Base-LX GBIC Transceiver 1550nm - 1 Gbps Fiber Module
Quickview
1000Base-LX GBIC Transceiver 1550nm - 1 Gbps Fiber Module
$0.00
Add to Cart Add to Wish List
1000Base-SX SFP Optical Transceiver - 850nm Multimode, 550m Reach, LC Duplex
Quickview
1000Base-SX SFP Optical Transceiver - 850nm Multimode, 550m Reach, LC Duplex
$25.95
Add to Cart Add to Wish List
1152A1 Power Distribution, 24-Port Power over Ethernet PoE Mid Span
Quickview
1152A1 Power Distribution, 24-Port Power over Ethernet PoE Mid Span
$127.95
Add to Cart Add to Wish List
12-Port Gigabit Ethernet Copper Switch
Quickview
12-Port Gigabit Ethernet Copper Switch
$150.95
Add to Cart Add to Wish List
12-Port Gigabit Ethernet Fiber Switch
Quickview
12-Port Gigabit Ethernet Fiber Switch
$559.95
Add to Cart Add to Wish List
16-Port Digital Circuit pack
Quickview
16-Port Digital Circuit pack
$79.95
Add to Cart Add to Wish List

Overview
The Avaya Lucent TN748B Definity Tone Detector Card is a high-performance module designed for integration into Avaya Definity telephony platforms. Engineered to deliver reliable detection of DTMF and other in-band tones, this card enables precise call routing, feature activation, and signaling in both enterprise and carrier environments. Its compact, hot-swappable design minimizes downtime while providing seamless scalability for growing communication networks.

Key Features

  • Accurate detection of dual-tone multi-frequency (DTMF) signals across a wide frequency range
  • Supports up to 24 simultaneous tone detection channels per card
  • Hot-swap capability for uninterrupted service during maintenance or upgrades
  • Low power consumption and high reliability for 24/7 operation
  • Compatible with all Avaya Definity system versions and firmware releases
  • Simple configuration through standard Definity management tools

Technical Specifications

  • Model/Part Number: TN748B
  • Form Factor: 3U PCI card
  • Interface: PCI bus, 32-bit, 33 MHz
  • Channel Capacity: 24 tone detection channels
  • Supported Tone Types: DTMF (A-D), custom in-band tones, fax tones
  • Detection Accuracy: +/- 1.5 percent frequency tolerance
  • Operating Temperature: 0 to 40 deg C (32 to 104 deg F)
  • Power Requirement: 5 V DC, 2 A maximum
  • Dimensions: 4.2 in (height) x 9.6 in (length) x 1.0 in (depth)

Applications

  • Automated call centers that require fast and reliable DTMF detection for menu navigation
  • Interactive voice response (IVR) systems where precise tone recognition triggers service actions
  • Enterprise PBX environments needing robust tone detection for conference bridges and feature codes
  • Carrier grade gateways that route calls based on in-band signaling
  • Security and monitoring solutions that use tone patterns for alarm activation

By incorporating the Avaya Lucent TN748B Definity Tone Detector Card, organizations can enhance call handling efficiency, reduce latency in tone-based operations, and ensure a stable foundation for advanced telephony services.