Nortel Networks Circuit Card - Manual (Page 769)

Page 769 of 906
Circuit Card Description and Installation
772
NTBK22 MISP card
Contents
This section contains information on the following topics:
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 769
Physical description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 769
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 770
Introduction
The NTBK22 Multi-Purpose ISDN Signaling Processor (MISP) card is a
microprocessor-controlled signaling processor that performs Data Link
(Layer 2) and Network (Layer 3) processing associated with ISDN BRI and
the OSI protocol.
Physical description
The MISP occupies one slot in the MG 1000S. It uses one of the network
loops to interface with SILCs and UILCs and to provide 32 timeslots for
D-channel signaling and packet data transmission. The other loop address is
used to communicate with the Call Server.
You can install this card in slots 1 through 4 in the MG 1000S. The card is not
supported in the MG 1000S Expansion.
Note: When configuring BRI trunks, the MISP (NTBK22) card must be
co-located in the same MG 1000S as the SILC (NT6D70) and UILC
(NT6D71) cards the MISP is supporting.