Nortel Networks Circuit Card 311 - Manual (Page 1050)

1050 NTDW65 Voice Gateway Media Card
• 10/100 BaseT ELAN network interface for management and signalling
messages.
• 10/100BaseT TLAN network interface for telephony voice traffic.
• FPGA for backplane interfaces.
• Two TTY ports on the processor for debugging.
• 100BaseT faceplate port for debugging.
Figure 299
Voice Gateway Media card block diagram
Ethernet ports
External connections
There are TLAN and ELAN network interfaces for connection to external
networks, and a faceplate debug port.
Internal connections
There is a TLAN connection to the DSP, and ELAN and TLAN connections
to the processor.
Backplane interfaces
The FPGA features include:
• DS30X interfaces.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
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