Nortel Networks 1000 - Manual (Page 889)

889
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NTBK51 Downloadable D-channel
Handler daughterboard
Contents
This section contains information on the following topics:
“Functional description” (page 903)
“Physical description” (page 890)
“Functional description” (page 892)
“Download operation” (page 897)
Introduction
The NTBK51 daughterboard provides Downloadable D-channel Handler
(DDCH) interfaces based on the Multipurpose Serial Data Link (MSDL).
The DDCH provides a single purpose full-duplex serial port capable
of downloading the D-channel application and base software into the
card.The NTBK51 provides Downloadable D-channel handler (DDCH)
interfaces based on the Multipurpose Serial Data Link (MSDL). The DDCH
provides a single purpose full-duplex serial port capable of downloading
the D-channel application and base software into the card.
The NTBK51 daughterboard provides Downloadable D-channel Handler
(DDCH) interfaces based on the Multipurpose Serial Data Link (MSDL).
The DDCH provides a single purpose full-duplex serial port capable of
downloading the D-channel application and base software into the card.
The NTBK51 provides the following features and functions:
• ISDN D-channel related protocol
• Selftest
•
Loopback
•
D-channel loadware including:
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.