Modems

Avaya

Supports up to 12 single-line devices including fax machines and modems Necessary for external Voice-Mail integration such as Intuity Audix or Messaging 2000 Built-in ring generator Buy with Confidence. Your order also includes MetrolineDirect's Rock Solid One Year Warranty PLATINUM PROTECTION : This product is eligible for a 2 Year Replacement Warranty!

Performs maintenance functions for Definity Functions include Packet Bus reconfiguration that allows diagnosis and correction of recoverable Packet Bus failures before Link Access Procedure on the D-Channel (LAPD) links fail - ISDN - PRI testing that originates and terminates loopback tests on ISDN facilities TN 771D is required in all standard reliability Primary Port Networks (PPNs) and critical reliability Expansion Port Networks (EPNs). All standard reliability PPNs when packet endpoints (BRI and/or ASAI) are supported

TN776 Expansion Interface (for R6 or earlier si) Features: Connected to the Time Division Multiplexing (TDM) bus in one Port Network (PN) is an interface between that PN and the TDM bus extended to another PN Packages the TDM control channel with Link Access Procedure on the D-channel (LAPD) for transmission over the fiber link between cabinets Provides the time-slot interchange between cabinets A system with ASAI/BRI or with PRI signaling for the packet bus (PACCON) requires a TN570B/C EI circuit pack in place of a TN776 circuit pack Replace by TN570B/C in R7si and later One Year Warranty

TN570D Expansion Interface Features: Provides interface between the TDM bus and packet bus, and fiber optic links interconnecting cabinets Used in a Port Network (PN) between a PN and another PN in a direct-connect system, and between a PN and an SNI in a switch node carrier in a CSS-connected system Provides control channel applications and time-slot interchanging between the PPN and EPNs Used when ISDN-BRI and/or ASAI is connected in an EPN Carries circuit-switched data, packet-switched data, network control, timing control, and DS1 control Communicates with the TN775B maintenance circuit pack in an EPN to send the EPN environmental and alarm status to the SPE Replaced by the TN2305 or TN2306 when an ATM switch replaced the CSS Used in an EPN that is supported by a Survivable Remote... Less