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Module Functions
The 6412M-25-TP module has the following characteristics:
Twelve ports operating at up to 25 Mbps to connect stations or servers to the hub
or CELLplex 4000. Each port may connect to:
– An ATM or multimedia workstation that requires a high bit rate (UNI connection)
– A UNI device using a supported interface
Physical interface: copper cable with RJ45 connector.
ONcore 12-Port 25 Mbps ATM I/O Module connections: port-to-port, hub-to-server,
and hub-to-workstation.
Up to three 6412M-25-TP modules can be used in the CELLplex 4000 expansion
unit, thereby providing up to 48 ATM ports.
Up to fourteen 6412M-25-TP modules can be used in the 17-slot ONcore hub at the
same time (8 in the 10-slot ONcore hub).
Interfaces Supported
The 6412M-25-TP module supports the following interfaces:
User-to-network (UNI)
Network-to-network (NNI)
Switch-to-switch (SSI)
The UNI interface is defined in the following documents:
ATM Forum UNI Specification V3.0 and V3.1
ITU (ex-CCITT) SG13 as defined in the following standards:
– I.413 (B_ISDN User-Network Interface)
– I.432 (Physical Layer)
– Q.2931 (Signaling)
Chapter 1. Overview 1-3