Nortel Communication Server 1000M, Installation And Configuration Manual

Page: 96 / 122

Page 96 of 120 Preparing the system
553-3001-218 Standard 2.00 September 2004
Figure 31
ISDN BRI acceptance testing setup for trunking – Local Exchange connectivity
Set up ISDN BRI trunking - TIE trunk connectivity
Figure 32 on page 97 illustrates one configuration that can be used to test
ISDN BRI TIE trunk connectivity. In this configuration, a Meridian
Customer Defined Networking (MCDN) TIE trunk connection is
implemented by connecting two systems to the ISDN BRI leased line through
the local exchange using two SILC cards. The S/T interface is connected to
the local exchange using an NT1. There is no distance limitation on this
configuration. System clock synchronization can be achieved by having the
system slave to the local exchange; the clock source may be derived either
from the ISDN BRI local exchange connections or from other ISDN
BRI/PRI/DTI local exchange connections, if available.
PRI
Non ISDN
BRI Line Card
PRI
SILC
PRI
Slave
Clock Controller
S/T
S/T
Non ISDN BRI device
such as 2500 or
digital type telephone
U
Large System
ISDN BRI
terminal
equipment
ISDN
BRI/DT12/PR12
connection
Maximum 1 km
(0.6 miles)
Maximum 5.5 km
(3.3 miles)
NT1
553-7707
Central
Office
supporting 1 TR6,
Numeris VN2, D70