Avaya Definity TN744D Call Classifier Circuit Pack
The TN744 provides 8 ports for tone detection on the TDM (Time Division Multiplexing) bus that will function in the same ways like the TN2182.
Features
- 8 Ports for tone detection
- Does not support call progress, tone generation, or clocking.
- Supports digital signal processing of Pulse Code Modulation signals on each port
- Includes Atlas 1-Year Warranty with Extended Warranty options available!
Product Reviews from Verified Customers
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{"id":331073421342,"title":"Avaya Definity TN429D Direct In\/Outward Dialing Circuit Pack","handle":"avaya-tn429d-diod-tn429d","description":"\u003ch2\u003eTN429D DIOD\u003c\/h2\u003e\n\u003cp\u003eThe TN429D DOID (Direct inward\/outward dialing) provides up to 8 ports. Each port provides a 2-wire interface to the central office(CO) public exchange for incoming and outgoing calls. CO provides caller names and numbers to the TN429D. Caller numbers will be displayed on the Definity digital voice terminals (DCP and BRI) equipped with a 32 or 40 character alphanumeric display.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePorts for DOID: 8\u003c\/li\u003e\n\u003cli\u003e2-wire interface per port\u003c\/li\u003e\n\u003cli\u003eSupported terminals: System 25\/Merlin, 7315H, and 7317H\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN429D DIOD\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2017-11-15T09:08:13-05:00","created_at":"2017-11-15T09:08:13-05:00","vendor":"Avaya","type":"TN420C - TN744E","tags":[],"price":37998,"price_min":37998,"price_max":37998,"available":false,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":31324036235344,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN429D-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"Avaya Definity TN429D Direct In\/Outward Dialing Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":37998,"weight":907,"compare_at_price":null,"inventory_quantity":0,"inventory_management":"shopify","inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/1281544192030.jpg?v=1604692094"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281544192030.jpg?v=1604692094","options":["Condition"],"media":[{"alt":"Avaya TN429D DIOD (TN429D) Top View","id":1961067708496,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281544192030.jpg?v=1604692094"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281544192030.jpg?v=1604692094","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN429D DIOD\u003c\/h2\u003e\n\u003cp\u003eThe TN429D DOID (Direct inward\/outward dialing) provides up to 8 ports. Each port provides a 2-wire interface to the central office(CO) public exchange for incoming and outgoing calls. CO provides caller names and numbers to the TN429D. Caller numbers will be displayed on the Definity digital voice terminals (DCP and BRI) equipped with a 32 or 40 character alphanumeric display.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePorts for DOID: 8\u003c\/li\u003e\n\u003cli\u003e2-wire interface per port\u003c\/li\u003e\n\u003cli\u003eSupported terminals: System 25\/Merlin, 7315H, and 7317H\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN429D DIOD\u003c\/li\u003e\n\u003c\/ul\u003e"}
$79.00
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{"id":331073617950,"title":"Avaya Definity TN553 Packet Data Line Circuit Pack","handle":"tn553-packet-data-line","description":"\u003ch2\u003eTN553 Packet Data Line\u003c\/h2\u003e\n\u003cp\u003eProvides software-administrable connections between the Switch Processing Elements (SPE) and system access ports. Converts mode-2 protocol to mode-3 protocol connecting the TN726B to the TDM bus.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSoftware-administrable connections: SPE and system access ports\u003c\/li\u003e\n\u003cli\u003eConnects packet bus\u003c\/li\u003e\n\u003cli\u003eConverts mode 2 to mode 3\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN553 Packet Data Line\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2017-11-15T09:08:21-05:00","created_at":"2017-11-15T09:08:21-05:00","vendor":"Avaya","type":"TN420C - TN744E","tags":[],"price":7900,"price_min":7900,"price_max":7900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":31324036169808,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN553-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN553 Packet Data Line Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":7900,"weight":907,"compare_at_price":null,"inventory_quantity":-1,"inventory_management":null,"inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/2_fc00c257-035c-4f88-9c34-e3621e859a79.jpg?v=1647621309","\/\/www.atlasphones.com\/cdn\/shop\/products\/1_993594a2-4a47-4eae-b446-838a376d29c4.jpg?v=1647621309","\/\/www.atlasphones.com\/cdn\/shop\/products\/3_7eb7e414-7ce6-4489-a8ae-8ac2f6a5c455.jpg?v=1647621309","\/\/www.atlasphones.com\/cdn\/shop\/products\/4_502de99f-f7f1-4723-9acf-e67a10e25168.jpg?v=1647621309"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_fc00c257-035c-4f88-9c34-e3621e859a79.jpg?v=1647621309","options":["Condition"],"media":[{"alt":"Avaya Definity TN553 Packet Data Line Circuit Pack Front Angle","id":22039906451536,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_fc00c257-035c-4f88-9c34-e3621e859a79.jpg?v=1647621309"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_fc00c257-035c-4f88-9c34-e3621e859a79.jpg?v=1647621309","width":800},{"alt":"Avaya Definity TN553 Packet Data Line Circuit Pack Right Side Angle","id":22039906484304,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_993594a2-4a47-4eae-b446-838a376d29c4.jpg?v=1647621309"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_993594a2-4a47-4eae-b446-838a376d29c4.jpg?v=1647621309","width":800},{"alt":"Avaya Definity TN553 Packet Data Line Circuit Pack Back Angle","id":22039906418768,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_7eb7e414-7ce6-4489-a8ae-8ac2f6a5c455.jpg?v=1647621309"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_7eb7e414-7ce6-4489-a8ae-8ac2f6a5c455.jpg?v=1647621309","width":800},{"alt":"Avaya Definity TN553 Packet Data Line Circuit Pack Top View","id":22039906386000,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/4_502de99f-f7f1-4723-9acf-e67a10e25168.jpg?v=1647621309"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/4_502de99f-f7f1-4723-9acf-e67a10e25168.jpg?v=1647621309","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN553 Packet Data Line\u003c\/h2\u003e\n\u003cp\u003eProvides software-administrable connections between the Switch Processing Elements (SPE) and system access ports. Converts mode-2 protocol to mode-3 protocol connecting the TN726B to the TDM bus.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSoftware-administrable connections: SPE and system access ports\u003c\/li\u003e\n\u003cli\u003eConnects packet bus\u003c\/li\u003e\n\u003cli\u003eConverts mode 2 to mode 3\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN553 Packet Data Line\u003c\/li\u003e\n\u003c\/ul\u003e"}
$59.00
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{"id":331073945630,"title":"Avaya Definity TN556B ISDN BRI 4-Wire Interface Circuit Pack","handle":"tn556-isdn-bri-4-wire-interface-tn556b","description":"\u003ch2\u003eTN556B ISDN BRI 4-WIre Interface\u003c\/h2\u003e\n\u003cp\u003eProvides 12-ports connecting to ISDN-BRI terminals. Each port uses TXT, TXR, PXT, PXR signal leads and ranges up to 3300 feet maximum from the system to the voice terminal.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePorts connection to ISDN-BRI terminals: 12\u003c\/li\u003e\n\u003cli\u003eSignal leads: TXT, TXR, PXT, and PXR\u003c\/li\u003e\n\u003cli\u003eUp to 8 ports can be used for ASAI links\u003c\/li\u003e\n\u003cli\u003e2 B-channels\u003c\/li\u003e\n\u003cli\u003e1 D-channel\u003c\/li\u003e\n\u003cli\u003eRange up to 3300 ft.\u003c\/li\u003e\n\u003cli\u003eCompatible with Definity R7 or late\u003c\/li\u003e\n\u003cli\u003eRequires a packet control circuit pack (TN778) if using R6si systems\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN556B ISDN BRI 4-WIre Interface\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2017-11-15T09:08:42-05:00","created_at":"2017-11-15T09:08:43-05:00","vendor":"Avaya","type":"TN420C - TN744E","tags":[],"price":5900,"price_min":5900,"price_max":5900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":31324036137040,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN556B-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN556B ISDN BRI 4-Wire Interface Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":5900,"weight":907,"compare_at_price":null,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/2_30fbcde1-3e14-480f-bd8f-22d8f4c93a1d.jpg?v=1647621693","\/\/www.atlasphones.com\/cdn\/shop\/products\/1_2a6962c7-76de-4842-92d7-5c7af5b4a374.jpg?v=1647621693","\/\/www.atlasphones.com\/cdn\/shop\/products\/3_3ddddf81-c2ee-477b-b1e6-7ed2e80e9300.jpg?v=1647621693","\/\/www.atlasphones.com\/cdn\/shop\/products\/4_bc77a280-cbc7-4db7-afda-631c47fb4020.jpg?v=1647621693"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_30fbcde1-3e14-480f-bd8f-22d8f4c93a1d.jpg?v=1647621693","options":["Condition"],"media":[{"alt":"Avaya Definity TN556B ISDN BRI 4-Wire Interface Circuit Pack Front Angle","id":22039931650128,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_30fbcde1-3e14-480f-bd8f-22d8f4c93a1d.jpg?v=1647621693"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_30fbcde1-3e14-480f-bd8f-22d8f4c93a1d.jpg?v=1647621693","width":800},{"alt":"Avaya Definity TN556B ISDN BRI 4-Wire Interface Circuit Pack Front Angle","id":22039931682896,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_2a6962c7-76de-4842-92d7-5c7af5b4a374.jpg?v=1647621693"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_2a6962c7-76de-4842-92d7-5c7af5b4a374.jpg?v=1647621693","width":800},{"alt":"Avaya Definity TN556B ISDN BRI 4-Wire Interface Circuit Pack Back Angle","id":22039931617360,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_3ddddf81-c2ee-477b-b1e6-7ed2e80e9300.jpg?v=1647621693"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_3ddddf81-c2ee-477b-b1e6-7ed2e80e9300.jpg?v=1647621693","width":800},{"alt":"Avaya Definity TN556B ISDN BRI 4-Wire Interface Circuit Pack Top View","id":22039931584592,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/4_bc77a280-cbc7-4db7-afda-631c47fb4020.jpg?v=1647621693"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/4_bc77a280-cbc7-4db7-afda-631c47fb4020.jpg?v=1647621693","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN556B ISDN BRI 4-WIre Interface\u003c\/h2\u003e\n\u003cp\u003eProvides 12-ports connecting to ISDN-BRI terminals. Each port uses TXT, TXR, PXT, PXR signal leads and ranges up to 3300 feet maximum from the system to the voice terminal.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePorts connection to ISDN-BRI terminals: 12\u003c\/li\u003e\n\u003cli\u003eSignal leads: TXT, TXR, PXT, and PXR\u003c\/li\u003e\n\u003cli\u003eUp to 8 ports can be used for ASAI links\u003c\/li\u003e\n\u003cli\u003e2 B-channels\u003c\/li\u003e\n\u003cli\u003e1 D-channel\u003c\/li\u003e\n\u003cli\u003eRange up to 3300 ft.\u003c\/li\u003e\n\u003cli\u003eCompatible with Definity R7 or late\u003c\/li\u003e\n\u003cli\u003eRequires a packet control circuit pack (TN778) if using R6si systems\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN556B ISDN BRI 4-WIre Interface\u003c\/li\u003e\n\u003c\/ul\u003e"}
$39.98
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{"id":331074437150,"title":"Avaya Definity TN570B Expansion Interface Circuit Pack","handle":"tn570b-expansion-interface","description":"\u003ch2\u003eTN570B Expansion Interface\u003c\/h2\u003e\n\u003cp\u003eThis card will provide an interface with the TDM bus and pack bus between the two. Fiber optic links interconnecting cabinets used in a Port Network (PN) between a PN and another PN in a direct-connect system.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides an interface\u003c\/li\u003e\n\u003cli\u003eSupports control channel applications\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN570B Expansion Interface\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2017-11-15T09:09:17-05:00","created_at":"2017-11-15T09:09:17-05:00","vendor":"Avaya","type":"TN420C - TN744E","tags":[],"price":3998,"price_min":3998,"price_max":3998,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":31324036071504,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN570B-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN570B Expansion Interface Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":3998,"weight":907,"compare_at_price":null,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/2_9b7e1bdc-2c25-4e75-9d85-e82ee7e573ba.jpg?v=1647622231","\/\/www.atlasphones.com\/cdn\/shop\/products\/1_0d762520-632a-4cd7-b3bd-419464705ae1.jpg?v=1647622231","\/\/www.atlasphones.com\/cdn\/shop\/products\/3_93c9bddd-29ab-4fbf-adde-7e86b05ab77c.jpg?v=1647622231"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_9b7e1bdc-2c25-4e75-9d85-e82ee7e573ba.jpg?v=1647622231","options":["Condition"],"media":[{"alt":"Avaya Definity TN570B Expansion Interface Circuit Pack Front Angle","id":22039969103952,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_9b7e1bdc-2c25-4e75-9d85-e82ee7e573ba.jpg?v=1647622231"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_9b7e1bdc-2c25-4e75-9d85-e82ee7e573ba.jpg?v=1647622231","width":800},{"alt":"Avaya Definity TN570B Expansion Interface Circuit Pack Side Angle","id":22039969136720,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_0d762520-632a-4cd7-b3bd-419464705ae1.jpg?v=1647622231"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_0d762520-632a-4cd7-b3bd-419464705ae1.jpg?v=1647622231","width":800},{"alt":"Avaya Definity TN570B Expansion Interface Circuit Pack Back Angle","id":22039969071184,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_93c9bddd-29ab-4fbf-adde-7e86b05ab77c.jpg?v=1647622231"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_93c9bddd-29ab-4fbf-adde-7e86b05ab77c.jpg?v=1647622231","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN570B Expansion Interface\u003c\/h2\u003e\n\u003cp\u003eThis card will provide an interface with the TDM bus and pack bus between the two. Fiber optic links interconnecting cabinets used in a Port Network (PN) between a PN and another PN in a direct-connect system.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides an interface\u003c\/li\u003e\n\u003cli\u003eSupports control channel applications\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN570B Expansion Interface\u003c\/li\u003e\n\u003c\/ul\u003e"}
$149.00
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{"id":331074600990,"title":"Avaya Definity TN570C Expansion Interface Circuit Pack","handle":"tn570c-expansion-interface","description":"\u003ch2\u003eTN570C Expansion Interface\u003c\/h2\u003e\n\u003cp\u003eThis card will provide an interface with the TDM bus and pack bus between the two. Fiber optic links interconnecting cabinets used in a Port Network (PN) between a PN and another PN in a direct-connect system. used in SREPN (Survivable Remote Expansion Port Network) R7 or Later\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides an interface\u003c\/li\u003e\n\u003cli\u003eSupports control channel applications\u003c\/li\u003e\n\u003cli\u003eUsed when ISDN-BRI and\/or ASAI is connected in an EPN\u003c\/li\u003e\n\u003cli\u003eUsed in R7 or later\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN570C Expansion Interface\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2017-11-15T09:09:23-05:00","created_at":"2017-11-15T09:09:24-05:00","vendor":"Avaya","type":"TN420C - TN744E","tags":[],"price":14900,"price_min":14900,"price_max":14900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":31324036038736,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN570C-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN570C Expansion Interface Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":14900,"weight":907,"compare_at_price":null,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/1_2f33e2b8-8ffa-4af3-8941-a2e0f76cc74f.jpg?v=1647622501"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_2f33e2b8-8ffa-4af3-8941-a2e0f76cc74f.jpg?v=1647622501","options":["Condition"],"media":[{"alt":"Avaya Definity TN570C Expansion Interface Circuit Pack Top View","id":22039988633680,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_2f33e2b8-8ffa-4af3-8941-a2e0f76cc74f.jpg?v=1647622501"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_2f33e2b8-8ffa-4af3-8941-a2e0f76cc74f.jpg?v=1647622501","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN570C Expansion Interface\u003c\/h2\u003e\n\u003cp\u003eThis card will provide an interface with the TDM bus and pack bus between the two. Fiber optic links interconnecting cabinets used in a Port Network (PN) between a PN and another PN in a direct-connect system. used in SREPN (Survivable Remote Expansion Port Network) R7 or Later\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides an interface\u003c\/li\u003e\n\u003cli\u003eSupports control channel applications\u003c\/li\u003e\n\u003cli\u003eUsed when ISDN-BRI and\/or ASAI is connected in an EPN\u003c\/li\u003e\n\u003cli\u003eUsed in R7 or later\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN570C Expansion Interface\u003c\/li\u003e\n\u003c\/ul\u003e"}
$169.00
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{"id":331074666526,"title":"Avaya Definity TN572 Switch-Node Clock Circuit Pack","handle":"tn572-switch-node-clock","description":"\u003ch2\u003eTN572 Switch-Node Clock\u003c\/h2\u003e\n\u003cp\u003eThis card distributes the timing signals that synchronize the SN carrier. It also receives maintenance data.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTiming signals that synchronize the SN carrier\u003c\/li\u003e\n\u003cli\u003eReceives maintenance data\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN572 Switch-Node Clock\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2017-11-15T09:09:29-05:00","created_at":"2017-11-15T09:09:29-05:00","vendor":"Avaya","type":"TN420C - TN744E","tags":[],"price":16900,"price_min":16900,"price_max":16900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":31324036005968,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN572-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN572 Switch-Node Clock Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":16900,"weight":907,"compare_at_price":null,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/1_cd68410f-c92c-4215-b48a-310456bcf6f0.jpg?v=1647622725"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_cd68410f-c92c-4215-b48a-310456bcf6f0.jpg?v=1647622725","options":["Condition"],"media":[{"alt":"Avaya Definity TN572 Switch-Node Clock Circuit Pack Top View","id":22040002035792,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_cd68410f-c92c-4215-b48a-310456bcf6f0.jpg?v=1647622725"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_cd68410f-c92c-4215-b48a-310456bcf6f0.jpg?v=1647622725","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN572 Switch-Node Clock\u003c\/h2\u003e\n\u003cp\u003eThis card distributes the timing signals that synchronize the SN carrier. It also receives maintenance data.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTiming signals that synchronize the SN carrier\u003c\/li\u003e\n\u003cli\u003eReceives maintenance data\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN572 Switch-Node Clock\u003c\/li\u003e\n\u003c\/ul\u003e"}
$199.00
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{"id":331074928670,"title":"Avaya Definity TN573B Switch-Node Interface Circuit Pack","handle":"tn573b-switch-node-interface","description":"\u003ch2\u003eTN573B Switch-Node Interface\u003c\/h2\u003e\n\u003cp\u003eThis card routes circuit packet and control messages. TN573B and higher provides an interface to the single-mode fiber optic transceiver and supports the TN1654 and TN574 DS1 converter circuit pack.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCircuits, packets, and control messages are routed\u003c\/li\u003e\n\u003cli\u003eProvides an interface to single-mode fiver optic transceiver and supports the TN1654 and TN574 DS1\u003c\/li\u003e\n\u003cli\u003eOne TN573B per PN and supports the TN574 DS1 converter circuit pack\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN573B Switch-Node Interface\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2017-11-15T09:09:37-05:00","created_at":"2017-11-15T09:09:37-05:00","vendor":"Avaya","type":"TN420C - TN744E","tags":[],"price":19900,"price_min":19900,"price_max":19900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":31324035973200,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN573B-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN573B Switch-Node Interface Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":19900,"weight":907,"compare_at_price":null,"inventory_quantity":-3,"inventory_management":null,"inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/2_3cb9a8d4-933e-462f-95c7-ee5883408ee3.jpg?v=1647623181","\/\/www.atlasphones.com\/cdn\/shop\/products\/1_78b66ffe-ac96-4588-a0dc-8f4a334d517f.jpg?v=1647623181","\/\/www.atlasphones.com\/cdn\/shop\/products\/3_1cf298bb-b53f-4ce5-9abf-883d2c3fb5e9.jpg?v=1647623181","\/\/www.atlasphones.com\/cdn\/shop\/products\/4_24372120-d1cc-4503-8831-344b63a09d38.jpg?v=1647623181"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_3cb9a8d4-933e-462f-95c7-ee5883408ee3.jpg?v=1647623181","options":["Condition"],"media":[{"alt":"Avaya Definity TN573B Switch-Node Interface Circuit Pack Front Angle","id":22040030183504,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_3cb9a8d4-933e-462f-95c7-ee5883408ee3.jpg?v=1647623181"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_3cb9a8d4-933e-462f-95c7-ee5883408ee3.jpg?v=1647623181","width":800},{"alt":"Avaya Definity TN573B Switch-Node Interface Circuit Pack Right Side Angle","id":22040030216272,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_78b66ffe-ac96-4588-a0dc-8f4a334d517f.jpg?v=1647623181"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_78b66ffe-ac96-4588-a0dc-8f4a334d517f.jpg?v=1647623181","width":800},{"alt":"Avaya Definity TN573B Switch-Node Interface Circuit Pack Back Angle","id":22040030150736,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_1cf298bb-b53f-4ce5-9abf-883d2c3fb5e9.jpg?v=1647623181"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_1cf298bb-b53f-4ce5-9abf-883d2c3fb5e9.jpg?v=1647623181","width":800},{"alt":"Avaya Definity TN573B Switch-Node Interface Circuit Pack Top View","id":22040030117968,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/4_24372120-d1cc-4503-8831-344b63a09d38.jpg?v=1647623181"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/4_24372120-d1cc-4503-8831-344b63a09d38.jpg?v=1647623181","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN573B Switch-Node Interface\u003c\/h2\u003e\n\u003cp\u003eThis card routes circuit packet and control messages. TN573B and higher provides an interface to the single-mode fiber optic transceiver and supports the TN1654 and TN574 DS1 converter circuit pack.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCircuits, packets, and control messages are routed\u003c\/li\u003e\n\u003cli\u003eProvides an interface to single-mode fiver optic transceiver and supports the TN1654 and TN574 DS1\u003c\/li\u003e\n\u003cli\u003eOne TN573B per PN and supports the TN574 DS1 converter circuit pack\u003c\/li\u003e\n\u003cli\u003eIncludes\u003cspan style=\"color: #6aa84f;\"\u003e\u003ca href=\"https:\/\/www.atlasphones.com\/pages\/warranty-policy\" target=\"_blank\" style=\"color: #85bc04;\" rel=\"noopener noreferrer\"\u003e Atlas 1-Year Warranty\u003c\/a\u003e\u003c\/span\u003e with Extended Warranty options available!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTN573B Switch-Node Interface\u003c\/li\u003e\n\u003c\/ul\u003e"}
