Table of Contents
Advertisement
394 NT6D80 MSDL card
Figure 103 "MSDL functional block diagram" (page 395)
architecture using the MSDL as an operational platform. It illustrates
operation routing from the CPU, through the MSDL, to the I/O equipment. It
also shows an example in which DCH operation peripheral software in the
MSDL controls functions on ports 2 and 3.
MSDL operations
The system automatically performs self-test and data flow activities. Unless
a permanent problem exists and the system cannot recover, there is no
visual indication that these operations are taking place.
The system controls the MSDL card with software that it has downloaded.
The MSDL and the system enable the MSDL by following these steps:
1. When the MSDL card is placed in the system, the card starts a self-test.
2. When the MSDL passes the test, it indicates its state and L/W version to
3. After downloading the peripheral software, the system enables the
4. MSDL applications (DCH, AML, SDI) may be brought up if appropriately
Copyright © 2003-2008, Nortel Networks
.
the system. The CPU checks to see if downloading is required.
MSDL.
configured.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
shows the system
Advertisement
Table of Contents
