Nortel Networks 1000 - Manual (Page 168)

168 NT5D11 and NT5D14 Lineside T1 Interface cards
Figure 29
Lineside T1 card - block diagram
The NT5D14AA provides the following features and functions:
• Card interfaces
•
T1 interface circuit
• Signaling and control
• Card control functions
•
Microcontroller
•
Card LAN interface
• Sanity Timer
• Man-Machine Interface (MMI)
Figure 31 "Lineside T1 card - T1 protocol dip switch locations" (page
182)
shows a block diagram of the major functions contained on the
Lineside T1 card. Each of these functions is described on the following
pages.
The Lineside T1 card is an IPE line card that provides a cost-effective
all-digital connection between T1-compatible terminal equipment (such
as voice mail systems, voice response units, and trading turrets) and
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.