Nortel Networks 1000E warranty Media Card, Connectors at the back of the Signaling Server

System components Page 49 of 488

Figure 5

Connectors at the back of the Signaling Server

not used		TLAN (P2)
Universal AC	not used	not used	ELAN (P1)	Maintenance/
power cord
				Admin port
connector

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.

Communication Server 1000E Installation and Configuration