Nortel Networks 1000 - Manual (Page 987)

Functional description 987
Figure 284
QPC841 QSDI card front panel
Functional description
The QPC841 Quad Serial Data Interface card contains all the logic for four
asynchronous serial ports, including the baud rate generators. These serial
ports are directly accessed by the system processor using memory reads
and writes.
The QPC841 Quad Serial Data Interface card contains four universal
asynchronous receiver/transmitters (UARTs) and the logic necessary
to connect the UARTs to the system processor bus. See
Figure 285
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.