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ISL installation
Contents
The section contains information on the following topics:
"ISL configurations" (page 179)
"DCHI switch settings" (page 180)
"MSDL switch settings" (page 181)
"Shared mode" (page 179)
"Dedicated mode using leased line" (page 183)
"Dedicated mode using dialup modem" (page 184)
"Install a modem for ISL applications" (page 184)
"Dedicated mode using PRI/DTI trunks" (page 186)
"QMT11 switch settings" (page 187)
"QMT8 switch settings" (page 188)
"QMT21C switch settings" (page 188)
"ISL installation" (page 189)
"Install ISL in dedicated mode (digital and analog)" (page 189)
"Install ISL in shared mode" (page 189)
ISL configurations
The ISDN Signaling Link (ISL) is used on PRI/DTI connections. The ISL
feature operates in two modes, shared and dedicated.
Shared mode
The DCHI supports ISDN PRI signaling for both PRI and ISL trunks.
Dedicated mode
In this mode, the DCHI supports ISL trunks using ISDN PRI signaling. The
D-channel communicates with the far end using a dedicated leased line,
dialup modem, or DTI trunk.
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Copyright © 2003-2007, Nortel Networks
.