Physical Description - Avaya Nortel Communication Server 1000 Reference

NT6D80 MSDL card
cards. Because of each MSDL has four ports, representing a single device, a system can
support as many as 16 MSDL cards with a maximum of 64 ports.

Physical description

The MSDL card is a standard size circuit card that occupies one network card slot and plugs
into the module's backplane connector to interface with the CPU bus and to connect to the
module's power supply. On the faceplate, the MSDL provides five connectors, four to connect
to I/O operations and one to connect to a monitor device that monitors MSDL functions.
88: MSDL component layout
locations on the printed circuit card.
Note:
Switches S9 and S10 are configured to reflect the device number set in LD 17 (DNUM). S10
designates tens, and S9 designates ones. For example, set device number 14 with S10 at
1 and S9 at 4.
Figure 88: MSDL component layout
318 Circuit Card Reference
on page 318 illustrates major MSDL components and their
Comments? infodev@avaya.com
Figure
July 2011