Nortel Modular ICS 7.1, Install Manual

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/ Planning the installation
Modular ICS 7.1 Installer Guide N0130943 02
blank slot cover. The off-core DTI is configured in the same
way as the other DTIs on your system.
Equipment note: The DTI card released in conjunction with
MICS 6.0 can be used either on or off-core. However, any
previous versions of the DTI card can only be used on the core
KSU hardware. Refer to your equipment supplier for the
correct ordering codes.
Replacing a Modular 8x24 KSU
If you are upgrading your old KSU (8X24) and adding digital
T1 trunks to your new system (0X32 ICS):
1. Verify your system programming, and update your
Programming Record .
2. Follow the procedures outlined in Installation on page 227
for installing a new system.
If you are upgrading your 8X24 KSU, but not adding digital
T1 trunks to a 0X32 system:
1. Verify your system programming, and update your
Programming Record .
2. Disconnect the 50-pin connector for telephones from the
KSU.
3. Disconnect the 50-pin connector for external lines and
auxiliary equipment from the KSU.
Tips -
The off-core DTI module cannot be set to
either secondary or primary clock source. This module
is always free run.