System components Page 49 of 488
Communication Server 1000E Installation and Configuration
Figure 5
Connectors at the back of the Signaling Server
Media Card
The Media Card, described in Table 3 and shown in Figure 6, connects an IP
and circuit-switched device using Digital Signal Processors (DSPs) for either
line or trunk applications. The DSPs, enabled by a Voice Gateway
application, performs media transcoding between IP voice packets and
circuit-switched devices.
The Media Card also provides echo cancellation and compression/
decompression of voice streams.
Table 3
Media Card profile (Part 1 of 2)
Property Description
Product Code • NTDU41DA
Media Card 32 Port IP Line 3.1/Voice Gateway
• NTDU41DB
Media Card 8 Port IP Line 3.1/Voice Gateway
Power • Powered through a Media Gateway or a Media
Gateway Expander.
not used
TLAN (P2)
not used
ELAN (P1)
Maintenance/
Universal AC
power cord
connector
not used
Admin port
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