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DCS SPECIAL APPLICATIONS
COMBINED PROGRAMMING MANUAL NOVEMBER 2001
3–9
Introduction
In the DCS there are two line cards for ISDN. One is the PRI card containing one Primary
Rate Interface; the other is the BRIN card containing four Basic Rate Interfaces. For Com-
pact (I and II) and 816 systems there are two types of BRI card, one with two BRI access,
the other with four.
The following topics are covered:
Hardware specification of each card
Installation
Operation
ISDN features supported
Note: 1. This document is based on BRI and PRI V2.0 (Nov 4 1996) or later. Therefore, some fea-
tures are not applicable to the old version.
2. Main CPU software versions required are 4.0 or later (DCS), 2.3 or later (CII), 1.02 or later
(816).
Specifications
PRI
(The PRI option is not applicable to Compact I, 816 or 408/408i systems.)
The card has the following configuration:
Contains one PRI access with RJ-45 interface having 120Ω line termination.
Operates in LT-T mode only. You can only connect to a PSTN ISDN Network Termination
Port (NT).
BRI
The different types of BRI card are shown in Table 1.
System Card name Number of
BRI access
Power feeding
to S port
DCS BRIN
BRI (old)
4
4
YES
NO
Compact II 4BRI
2BRI
4
2
YES
YES
Compact I &
816
4BRI
2BRI
4
2
NO
NO
Table 1 - BRI cards
Note: The only difference between these cards is the number of access, and power feeding capabil-
ity.