Nortel Circuit Card Installation Manual page 247

Figure 39
Lineside T1 interface connection to Norstar system
System
NT5D11 and NT5D14 Lineside T1 Interface cards
Similarly, the lineside T1 can be used to provide a connection between the
system and a remote Norstar system. See Figure 39. In this case, channel
banks would not be required if the Norstar system is equipped with a T1
interface.
T1
LTI
Note: The lineside T1 card audio levels must be considered when
determining the appropriateness of an application.
T1 T1
Public
network
Circuit Card
Page 247 of 906
Norstar
T1
553-AAA1125
Description and Installation