TN775C EPN Maintenance Board
The TN775C EPN is a maintenance board that monitors and upkeeps power failure signals in an EPN cabinet in Release 7 or higher.
Features
- Maintains and monitors power failure signals
- Monitors and controls power supplies and battery charger
- Monitors air flow and high temperature sensors
- Three position switch to control emergency power transfer
- DC to DC power converter
- Includes Atlas 1-Year Warranty with Extended Warranty options available!
Package Includes
- TN775C EPN Maintenance Board Card
Product Reviews from Verified Customers
Related Products
$75.00
Quick View
{"id":331080237086,"title":"Avaya Definity TN771D Maintenance and Test Circuit Pack","handle":"tn771d-maintenance-test-card","description":"\u003ch2\u003eTN771D Maintenance Test Card\u003c\/h2\u003e\n\u003cp\u003eThe TN771D Maintenance Test Card is responsible for maintaining functions for Definity. There is also a Packet Bus reconfiguration that is included. It allows for the diagnosis and correction of recoverable Packet Bus failures before the Link Access Procedure on the D-Channel fails.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePerforms maintenance functions\u003c\/li\u003e\n\u003cli\u003eAllows for reconfiguration that allows diagnosis and correction of recoverable Packet bus failures\u003c\/li\u003e\n\u003cli\u003eAll standard reliability PPNs when packet endpoints are supported\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\u003eTN771D Maintenance Test Card\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2017-11-15T09:14:21-05:00","created_at":"2017-11-15T09:14:22-05:00","vendor":"Avaya","type":"Avaya\/Definity Circuit Packs TN771 - TN802","tags":[],"price":7500,"price_min":7500,"price_max":7500,"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":31324030697552,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN771-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN771D Maintenance and Test Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":7500,"weight":907,"compare_at_price":null,"inventory_quantity":-1,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/3_c10f0eec-8035-4c21-b350-9efee4a1ba65.jpg?v=1647636383","\/\/www.atlasphones.com\/cdn\/shop\/products\/1_1f9cfe2e-1203-45a4-b830-8ef506732488.jpg?v=1647636383","\/\/www.atlasphones.com\/cdn\/shop\/products\/2_acde7994-c74e-404d-9de4-3116cb0bf70c.jpg?v=1647636383","\/\/www.atlasphones.com\/cdn\/shop\/products\/1281591869470.jpg?v=1647636383"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_c10f0eec-8035-4c21-b350-9efee4a1ba65.jpg?v=1647636383","options":["Condition"],"media":[{"alt":"Avaya Definity TN771D Maintenance and Test Circuit Pack Front Angle","id":22040931139664,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_c10f0eec-8035-4c21-b350-9efee4a1ba65.jpg?v=1647636383"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_c10f0eec-8035-4c21-b350-9efee4a1ba65.jpg?v=1647636383","width":800},{"alt":"Avaya Definity TN771D Maintenance and Test Circuit Pack Right Side Angle","id":22040931205200,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_1f9cfe2e-1203-45a4-b830-8ef506732488.jpg?v=1647636383"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_1f9cfe2e-1203-45a4-b830-8ef506732488.jpg?v=1647636383","width":800},{"alt":"Avaya Definity TN771D Maintenance and Test Circuit Pack Side View","id":22040931172432,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_acde7994-c74e-404d-9de4-3116cb0bf70c.jpg?v=1647636383"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_acde7994-c74e-404d-9de4-3116cb0bf70c.jpg?v=1647636383","width":800},{"alt":"TN771D Maintenance Test Card Back Angle ","id":1961276833872,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281591869470.jpg?v=1647636383"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281591869470.jpg?v=1647636383","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN771D Maintenance Test Card\u003c\/h2\u003e\n\u003cp\u003eThe TN771D Maintenance Test Card is responsible for maintaining functions for Definity. There is also a Packet Bus reconfiguration that is included. It allows for the diagnosis and correction of recoverable Packet Bus failures before the Link Access Procedure on the D-Channel fails.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePerforms maintenance functions\u003c\/li\u003e\n\u003cli\u003eAllows for reconfiguration that allows diagnosis and correction of recoverable Packet bus failures\u003c\/li\u003e\n\u003cli\u003eAll standard reliability PPNs when packet endpoints are supported\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\u003eTN771D Maintenance Test Card\u003c\/li\u003e\n\u003c\/ul\u003e"}
$48.99
Quick View
{"id":331080564766,"title":"Avaya Definity TN772 Duplication Interface Circuit Pack","handle":"tn772-duplication-interface","description":"\u003ch2\u003eTN772 Duplication Interface\u003c\/h2\u003e\n\u003cp\u003eThe TN772 Duplication Interface supports voice and fax calls from the Definity ECS across a corporate intranet or the Internet. IP trunking software runs on embedded PC operating user Windows NT. In conjunction with IP Softphones, this card supports IP Trunking and MedPro (H.323). IP Trunk and Media Processor are two modes that are available within the Window NT server that reside in the IP Interface circuit pack.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupports voice and fax calls from the Definity ECS\u003c\/li\u003e\n\u003cli\u003eIP Trunking software on an embedded PC\u003c\/li\u003e\n\u003cli\u003eSupports IP Solutions\u003c\/li\u003e\n\u003cli\u003eDefinity ECS Operates in two modes, IP Trunk and Media Processor\u003c\/li\u003e\n\u003cli\u003eActivate through administration to use H.323 trunking feature for IP Softphones; must install TN799 C-LAN 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\u003eTN772 Duplication Interface Card\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2017-11-15T09:14:36-05:00","created_at":"2017-11-15T09:14:37-05:00","vendor":"Avaya","type":"Avaya\/Definity Circuit Packs TN771 - TN802","tags":[],"price":4899,"price_min":4899,"price_max":4899,"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":31324030402640,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN772-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN772 Duplication Interface Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":4899,"weight":907,"compare_at_price":null,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/1_53469ccb-247f-485b-a3b6-1b1aeac63a15.jpg?v=1647637195"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_53469ccb-247f-485b-a3b6-1b1aeac63a15.jpg?v=1647637195","options":["Condition"],"media":[{"alt":"Avaya Definity TN772 Duplication Interface Circuit Pack Top View","id":22040996151376,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_53469ccb-247f-485b-a3b6-1b1aeac63a15.jpg?v=1647637195"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_53469ccb-247f-485b-a3b6-1b1aeac63a15.jpg?v=1647637195","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN772 Duplication Interface\u003c\/h2\u003e\n\u003cp\u003eThe TN772 Duplication Interface supports voice and fax calls from the Definity ECS across a corporate intranet or the Internet. IP trunking software runs on embedded PC operating user Windows NT. In conjunction with IP Softphones, this card supports IP Trunking and MedPro (H.323). IP Trunk and Media Processor are two modes that are available within the Window NT server that reside in the IP Interface circuit pack.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupports voice and fax calls from the Definity ECS\u003c\/li\u003e\n\u003cli\u003eIP Trunking software on an embedded PC\u003c\/li\u003e\n\u003cli\u003eSupports IP Solutions\u003c\/li\u003e\n\u003cli\u003eDefinity ECS Operates in two modes, IP Trunk and Media Processor\u003c\/li\u003e\n\u003cli\u003eActivate through administration to use H.323 trunking feature for IP Softphones; must install TN799 C-LAN 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\u003eTN772 Duplication Interface Card\u003c\/li\u003e\n\u003c\/ul\u003e"}
$99.00
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{"id":331080761374,"title":"Avaya Definity TN775B EPN Maintenance Board","handle":"tn775b-epn-maintenance-board-tn775b","description":"\u003ch2\u003eTN775B EPN Maintenance Board\u003c\/h2\u003e \u003cp\u003eThe TN775B is a Maintenance Board that monitors power failures for the EPN cabinet in R7si\/r or later.\u003c\/p\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMonitors power failure signals in EPN cabinets\u003c\/li\u003e \u003cli\u003eMonitors clock\u003c\/li\u003e \u003cli\u003eMonitors and controls battery charger and power supplies\u003c\/li\u003e \u003cli\u003eMonitors air flow and temperature sensors\u003c\/li\u003e \u003cli\u003eTwo serial links for communication for the Expansion Interface (EI) circuit packs, also provides an RS-232 interface for connection with an administration terminal\u003c\/li\u003e \u003cli\u003e3-position switch to control emergency power transfer\u003c\/li\u003e \u003cli\u003eEquipped with a new DC to DC power converter\u003c\/li\u003e \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 \u003c\/ul\u003e","published_at":"2017-11-15T09:14:44-05:00","created_at":"2017-11-15T09:14:45-05:00","vendor":"Avaya","type":"Avaya\/Definity Circuit Packs TN771 - TN802","tags":[],"price":9900,"price_min":9900,"price_max":9900,"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":31324030271568,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN775B-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN775B EPN Maintenance Board - Like New","public_title":"Like New","options":["Like New"],"price":9900,"weight":907,"compare_at_price":null,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594753054.jpg?v=1604692074","\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594785822.jpg?v=1604692074","\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594818590.jpg?v=1604692074","\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594851358.jpg?v=1604692074"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594753054.jpg?v=1604692074","options":["Condition"],"media":[{"alt":"TN775B EPN Maintenance Board Side Angle","id":1961045360720,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594753054.jpg?v=1604692074"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594753054.jpg?v=1604692074","width":800},{"alt":"TN775B EPN Maintenance Board Front Angle","id":1961045393488,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594785822.jpg?v=1604692074"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594785822.jpg?v=1604692074","width":800},{"alt":"TN775B EPN Maintenance Board Back Angle ","id":1961045426256,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594818590.jpg?v=1604692074"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594818590.jpg?v=1604692074","width":800},{"alt":"TN775B EPN Maintenance Board Top View","id":1961045459024,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594851358.jpg?v=1604692074"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281594851358.jpg?v=1604692074","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN775B EPN Maintenance Board\u003c\/h2\u003e \u003cp\u003eThe TN775B is a Maintenance Board that monitors power failures for the EPN cabinet in R7si\/r or later.\u003c\/p\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMonitors power failure signals in EPN cabinets\u003c\/li\u003e \u003cli\u003eMonitors clock\u003c\/li\u003e \u003cli\u003eMonitors and controls battery charger and power supplies\u003c\/li\u003e \u003cli\u003eMonitors air flow and temperature sensors\u003c\/li\u003e \u003cli\u003eTwo serial links for communication for the Expansion Interface (EI) circuit packs, also provides an RS-232 interface for connection with an administration terminal\u003c\/li\u003e \u003cli\u003e3-position switch to control emergency power transfer\u003c\/li\u003e \u003cli\u003eEquipped with a new DC to DC power converter\u003c\/li\u003e \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 \u003c\/ul\u003e"}
$39.98
Quick View
{"id":331081154590,"title":"Avaya Definity TN775D EPN Maintenance Board","handle":"tn775d-epn-maintenance-board-tn775d","description":"\u003ch2\u003eTN775D EPN Maintenance Board\u003c\/h2\u003e \u003cp\u003eThe TN775D EPN Maintenance Board will provide users the ability to monitor multiple features for the EPN cabinet in R7si\/r or later.\u003c\/p\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMonitors power failure signals in EPN cabinets\u003c\/li\u003e \u003cli\u003eMonitors clock\u003c\/li\u003e \u003cli\u003eMonitors and controls battery charger and power supplies\u003c\/li\u003e \u003cli\u003eMonitors air flow and temperature sensors\u003c\/li\u003e \u003cli\u003eTwo serial links for communication for the Expansion Interface (EI) circuit packs, also provides an RS-232 interface for connection with an administration terminal\u003c\/li\u003e \u003cli\u003e3-position switch to control emergency power transfer\u003c\/li\u003e \u003cli\u003eEquipped with a new DC to DC power converter\u003c\/li\u003e \u003cli\u003eOne Year Warranty Included with Extended Warranty Options at Low Prices!\u003c\/li\u003e \u003c\/ul\u003e","published_at":"2017-11-15T09:15:01-05:00","created_at":"2017-11-15T09:15:02-05:00","vendor":"Avaya","type":"Avaya\/Definity Circuit Packs TN771 - TN802","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":31324030009424,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN775D-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN775D EPN Maintenance Board - 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":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596719134.jpg?v=1604692072","\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596751902.jpg?v=1604692072","\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596784670.jpg?v=1604692072","\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596817438.jpg?v=1604692072"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596719134.jpg?v=1604692072","options":["Condition"],"media":[{"alt":"TN775D EPN Maintenance Board Side Angle","id":1961215131728,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596719134.jpg?v=1604692072"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596719134.jpg?v=1604692072","width":800},{"alt":"TN775D EPN Maintenance Board Front Angle","id":1961215164496,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596751902.jpg?v=1604692072"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596751902.jpg?v=1604692072","width":800},{"alt":"TN775D EPN Maintenance Board Back Angle","id":1961215197264,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596784670.jpg?v=1604692072"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596784670.jpg?v=1604692072","width":800},{"alt":"TN775D EPN Maintenance Board Top View","id":1961215230032,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596817438.jpg?v=1604692072"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281596817438.jpg?v=1604692072","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN775D EPN Maintenance Board\u003c\/h2\u003e \u003cp\u003eThe TN775D EPN Maintenance Board will provide users the ability to monitor multiple features for the EPN cabinet in R7si\/r or later.\u003c\/p\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMonitors power failure signals in EPN cabinets\u003c\/li\u003e \u003cli\u003eMonitors clock\u003c\/li\u003e \u003cli\u003eMonitors and controls battery charger and power supplies\u003c\/li\u003e \u003cli\u003eMonitors air flow and temperature sensors\u003c\/li\u003e \u003cli\u003eTwo serial links for communication for the Expansion Interface (EI) circuit packs, also provides an RS-232 interface for connection with an administration terminal\u003c\/li\u003e \u003cli\u003e3-position switch to control emergency power transfer\u003c\/li\u003e \u003cli\u003eEquipped with a new DC to DC power converter\u003c\/li\u003e \u003cli\u003eOne Year Warranty Included with Extended Warranty Options at Low Prices!\u003c\/li\u003e \u003c\/ul\u003e"}
$65.00
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{"id":331081351198,"title":"Avaya Definity TN777 Network Controller Circuit Pack","handle":"tn777-network-controller-tn777","description":"\u003ch2\u003eTN777 Network Controller\u003c\/h2\u003e\n\u003cp\u003eThe TN777 Network Controller delivers control channel messages between distributed networks of port circuit packs on the TDM bus and processor circuit pack. Information is routed between 4 data channels directly from the processor circuit pack to the customer connected equipment.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCommunicates control messages between processor circuit pack and distributed network of port circuit packs on the TDM bus\u003c\/li\u003e\n\u003cli\u003eControls four data channels\u003c\/li\u003e\n\u003cli\u003eTime of date clock with battery backup for power failure and low voltage conditions\u003c\/li\u003e\n\u003cli\u003eMonitors status of system clocks\u003c\/li\u003e\n\u003cli\u003esupports ISDN Replaced by TN794 Network Control\/Packet interface for R7 and R8\u003c\/li\u003e\n\u003cli\u003eReplaced by TN2401 Network Control\/Packet interface for R9 and R10\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\u003eTN777 Network Controller Card\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2017-11-15T09:15:15-05:00","created_at":"2017-11-15T09:15:15-05:00","vendor":"Avaya","type":"Avaya\/Definity Circuit Packs TN771 - TN802","tags":[],"price":6500,"price_min":6500,"price_max":6500,"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":31324029517904,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN777-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN777 Network Controller Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":6500,"weight":907,"compare_at_price":null,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/1_6eb7ca67-95db-4942-89c1-3c758179037d.jpg?v=1647638196"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_6eb7ca67-95db-4942-89c1-3c758179037d.jpg?v=1647638196","options":["Condition"],"media":[{"alt":"Avaya Definity TN777 Network Controller Circuit Pack Top View","id":22041067552848,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_6eb7ca67-95db-4942-89c1-3c758179037d.jpg?v=1647638196"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_6eb7ca67-95db-4942-89c1-3c758179037d.jpg?v=1647638196","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN777 Network Controller\u003c\/h2\u003e\n\u003cp\u003eThe TN777 Network Controller delivers control channel messages between distributed networks of port circuit packs on the TDM bus and processor circuit pack. Information is routed between 4 data channels directly from the processor circuit pack to the customer connected equipment.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCommunicates control messages between processor circuit pack and distributed network of port circuit packs on the TDM bus\u003c\/li\u003e\n\u003cli\u003eControls four data channels\u003c\/li\u003e\n\u003cli\u003eTime of date clock with battery backup for power failure and low voltage conditions\u003c\/li\u003e\n\u003cli\u003eMonitors status of system clocks\u003c\/li\u003e\n\u003cli\u003esupports ISDN Replaced by TN794 Network Control\/Packet interface for R7 and R8\u003c\/li\u003e\n\u003cli\u003eReplaced by TN2401 Network Control\/Packet interface for R9 and R10\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\u003eTN777 Network Controller Card\u003c\/li\u003e\n\u003c\/ul\u003e"}
$38.99
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{"id":331081613342,"title":"Avaya Definity TN777B Network Controller Circuit Pack","handle":"tn777b-network-controller-tn777b","description":"\u003ch2\u003eTN777B Network Controller\u003c\/h2\u003e \u003cp\u003eThe TN777B Network Controller is designed to deliver control channel messages between distributed networks of port circuit packs on the TDM bus and processor circuit pack. Information is routed between 4 data channels directly from the processor circuit pack to the customer connected equipment.\u003c\/p\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCommunicates control messages between processor circuit pack and distributed network of port circuit packs on the TDM bus\u003c\/li\u003e \u003cli\u003eControls four data channels\u003c\/li\u003e \u003cli\u003eTime of date clock with battery backup for power failure and low voltage conditions\u003c\/li\u003e \u003cli\u003eMonitors status of system clocks\u003c\/li\u003e \u003cli\u003esupports ISDN Replaced by TN794 Network Control\/Packet interface for R7 and R8\u003c\/li\u003e \u003cli\u003eReplaced by TN2401 Network Control\/Packet interface for R9 and R10\u003c\/li\u003e \u003cli\u003eOne Year Warranty Included with Extended Warranty Options at Low Prices!\u003c\/li\u003e \u003c\/ul\u003e \u003cbr\u003e \u003ch3\u003ePackage Includes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTN777B Network Controller Card\u003c\/li\u003e \u003c\/ul\u003e","published_at":"2017-11-15T09:15:26-05:00","created_at":"2017-11-15T09:15:27-05:00","vendor":"Avaya","type":"Avaya\/Definity Circuit Packs TN771 - TN802","tags":[],"price":3899,"price_min":3899,"price_max":3899,"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":31324028403792,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN777B-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN777B Network Controller Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":3899,"weight":907,"compare_at_price":null,"inventory_quantity":-1,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599242270.jpg?v=1612298441","\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599209502.jpg?v=1612298441","\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599275038.jpg?v=1604692071","\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599307806.jpg?v=1604692071","\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599340574.jpg?v=1604692071"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599242270.jpg?v=1612298441","options":["Condition"],"media":[{"alt":"TN777B Network Controller Side Angle","id":1961252880464,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599242270.jpg?v=1612298441"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599242270.jpg?v=1612298441","width":800},{"alt":"TN777B Network Controller Sideways Angle","id":1961252847696,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599209502.jpg?v=1612298441"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599209502.jpg?v=1612298441","width":800},{"alt":"TN777B Network Controller Front Angle","id":1961252913232,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599275038.jpg?v=1604692071"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599275038.jpg?v=1604692071","width":800},{"alt":"TN777B Network Controller Back Angle","id":1961252946000,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599307806.jpg?v=1604692071"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599307806.jpg?v=1604692071","width":800},{"alt":"TN777B Network Controller Top View","id":1961252978768,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599340574.jpg?v=1604692071"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1281599340574.jpg?v=1604692071","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN777B Network Controller\u003c\/h2\u003e \u003cp\u003eThe TN777B Network Controller is designed to deliver control channel messages between distributed networks of port circuit packs on the TDM bus and processor circuit pack. Information is routed between 4 data channels directly from the processor circuit pack to the customer connected equipment.\u003c\/p\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCommunicates control messages between processor circuit pack and distributed network of port circuit packs on the TDM bus\u003c\/li\u003e \u003cli\u003eControls four data channels\u003c\/li\u003e \u003cli\u003eTime of date clock with battery backup for power failure and low voltage conditions\u003c\/li\u003e \u003cli\u003eMonitors status of system clocks\u003c\/li\u003e \u003cli\u003esupports ISDN Replaced by TN794 Network Control\/Packet interface for R7 and R8\u003c\/li\u003e \u003cli\u003eReplaced by TN2401 Network Control\/Packet interface for R9 and R10\u003c\/li\u003e \u003cli\u003eOne Year Warranty Included with Extended Warranty Options at Low Prices!\u003c\/li\u003e \u003c\/ul\u003e \u003cbr\u003e \u003ch3\u003ePackage Includes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTN777B Network Controller Card\u003c\/li\u003e \u003c\/ul\u003e"}
$68.99
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{"id":331082039326,"title":"Avaya Definity TN778 Packet Control Circuit Pack","handle":"tn778-packet-control","description":"\u003ch2\u003eTN778 Packet Control\u003c\/h2\u003e\n\u003cp\u003eThe TN778 interfaces the packet bus with SPE and terminates LAPD links. This Packet Control supports packet bus signaling on the ISDN D-channel for ASAI applications. The TN778 is also equipped with the protocol to process SPE with the pack bus. This model is replaced by the TN794 Network Control\/Packet Interface.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInterfaces packet bus with the SPE\u003c\/li\u003e\n\u003cli\u003eSupports packet bus signaling for ISDN-D-channel\u003c\/li\u003e\n\u003cli\u003eProvides protocol processing capability\u003c\/li\u003e\n\u003cli\u003eReplaced by TB794 Control\/Packet Interface\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","published_at":"2017-11-15T09:15:54-05:00","created_at":"2017-11-15T09:15:54-05:00","vendor":"Avaya","type":"Avaya\/Definity Circuit Packs TN771 - TN802","tags":[],"price":6899,"price_min":6899,"price_max":6899,"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":31324028305488,"title":"Like New","option1":"Like New","option2":null,"option3":null,"sku":"Definity-TN778-R","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Avaya Definity TN778 Packet Control Circuit Pack - Like New","public_title":"Like New","options":["Like New"],"price":6899,"weight":907,"compare_at_price":null,"inventory_quantity":-1,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.atlasphones.com\/cdn\/shop\/products\/3_4718573f-d033-4b65-bb97-a467901befd2.jpg?v=1649347468","\/\/www.atlasphones.com\/cdn\/shop\/products\/1_a5793075-bd04-4118-aa51-2c7070036f88.jpg?v=1649347468","\/\/www.atlasphones.com\/cdn\/shop\/products\/2_8cce17fb-7a62-46d8-9b12-4e1967a88e68.jpg?v=1649347468","\/\/www.atlasphones.com\/cdn\/shop\/products\/4_b3cb096e-66ca-4da1-b219-4bf566f04094.jpg?v=1649347468"],"featured_image":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_4718573f-d033-4b65-bb97-a467901befd2.jpg?v=1649347468","options":["Condition"],"media":[{"alt":"Avaya Definity TN778 Packet Control Circuit Pack Front Angle","id":22135938809936,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_4718573f-d033-4b65-bb97-a467901befd2.jpg?v=1649347468"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/3_4718573f-d033-4b65-bb97-a467901befd2.jpg?v=1649347468","width":800},{"alt":"Avaya Definity TN778 Packet Control Circuit Pack Right Side Angle","id":22135938875472,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_a5793075-bd04-4118-aa51-2c7070036f88.jpg?v=1649347468"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/1_a5793075-bd04-4118-aa51-2c7070036f88.jpg?v=1649347468","width":800},{"alt":"Avaya Definity TN778 Packet Control Circuit Pack Side Angle","id":22135938842704,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_8cce17fb-7a62-46d8-9b12-4e1967a88e68.jpg?v=1649347468"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/2_8cce17fb-7a62-46d8-9b12-4e1967a88e68.jpg?v=1649347468","width":800},{"alt":"Avaya Definity TN778 Packet Control Circuit Pack Back Angle","id":22135938777168,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/4_b3cb096e-66ca-4da1-b219-4bf566f04094.jpg?v=1649347468"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/www.atlasphones.com\/cdn\/shop\/products\/4_b3cb096e-66ca-4da1-b219-4bf566f04094.jpg?v=1649347468","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003eTN778 Packet Control\u003c\/h2\u003e\n\u003cp\u003eThe TN778 interfaces the packet bus with SPE and terminates LAPD links. This Packet Control supports packet bus signaling on the ISDN D-channel for ASAI applications. The TN778 is also equipped with the protocol to process SPE with the pack bus. This model is replaced by the TN794 Network Control\/Packet Interface.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInterfaces packet bus with the SPE\u003c\/li\u003e\n\u003cli\u003eSupports packet bus signaling for ISDN-D-channel\u003c\/li\u003e\n\u003cli\u003eProvides protocol processing capability\u003c\/li\u003e\n\u003cli\u003eReplaced by TB794 Control\/Packet Interface\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"}
