Nortel Networks Circuit Card User Manual

 Overview

— Data terminal equipment (DTE) emulation mode

— Data communication equipment (DCE) emulation mode

•

enable/disable switch and LED 

•

input/output (I/O) device address selectable by on-board switches. 

The QPC513 ESDI card provides these features:

•

fully synchronous serial data interface ports, each supporting

— RS-232-C or modified RS-422-A interface

— LAPB subset of the HDLC synchronous protocol

— Data rates of 1200, 2400, 4800, 9600, 19200, 48000, 56000, and 

64000 baud

— Data terminal equipment (DTE) emulation mode

— Data communication equipment (DCE) emulation mode

•

enable/disable switch and LED 

•

input/output (I/O) device address selectable by on-board switches. 

This section lists the specifications shared by all of the SDI cards. See the 
appropriate section in this document for information specific to any particular 
card.