Alcatel-Lucent 1665 DMX supports a TL1 over TCP/IP interface or TL1 over OSI LAN interface for communication between an Alcatel-Lucent 1665 DMX NE and an Element Management System (EMS) of a Network Management System (NMS). TL1 over TCP/IP LAN complies with requirements specified in IEEE 802.3 and NSIF-AR-9806-088R11.
The T-TD is a device that translates TL1 messages over a TCP/IP connection to a TL1 over OSI association, providing a TL1 TCP-OSI gateway. The T-TD, when used in conjunction with the CIT, is an open system interconnection (OSI) proxy that accepts TCP/IP connections and sets up matching OSI connections. This requires the support of the TCP/IP stack and the seven-layer OSI stack.
Alcatel-Lucent 1665 DMX provides an RJ45-compatible front IAO LAN interface that is intended for use with a local PC. This interface will support a TL1/TCP gateway via an IEEE 802.3-compliant interface with a graphical user interface (GUI) in future releases.
TL1 over TCP/IP or TL1 over OSI LAN is supported via an RJ45-compatible IAO LAN rear interface on Alcatel-Lucent 1665 DMX, enablingAlcatel-Lucent 1665 DMX to connect with any NMS possessing a compatible TCP/IP or OSI interface (such as the EMS or the WaveStar® CIT). This allows TL1 communication over a data network between several different NEs. For instance, Alcatel-Lucent's Element Management System (EMS) can communicate with a DDM-2000 that is on the same network as Alcatel-Lucent 1665 DMX connected to the EMS via the rear IAO LAN interface. The IAO LAN complies with OSI requirements as specified in GR-253-CORE, Section 8.
The SONET DCC provides TL1 over OSI connections with remote NEs in a subnetwork.
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