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ISL installation for all systems
553-2901-200 Standard 11.00 August 1996
Shared mode
In shared mode, the D-channel is provided by the DCHI or MSDL card and
PRI. The hardware configuration is basically the same as the ISDN PRI
D-channel. See
Shared mode is established through service change in LD 17, prompt USR,
with the response SHA.
In the shared mode, the DCH can share signaling for no more than 382 trunks,
including digital and analog.
Figure 41
ISL in shared mode
Meridian 1
PRI
DCHI or
MSDL
Meridian 1
D-channel used for
PRI and ISL
QCAD328A
553-1396
DCHI or
MSDL
PRI
QCAD328A
QPC237
QPC237
TIE
or
NTND26
or
NTND26