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APPENDIX C:
APPENDIX C:
System Additions or Changes
Additions and changes can be made to the system to support growth or
changing needs of the customer.
These system changes include: adding
voice or data terminals, changing a voice-only connection to a voice/data
connection, adding trunks, adding modems, and adding auxiliary equipment.
To handle such changes as these, you may need to add or replace circuit
packs (CPs), add a cabinet, add cabling, and add or change a user’s terminal.
These procedures are described first; then specific procedures for making
the changes listed above are described.
Note:
After any changes have been made, save translations to
DTU.
Evaluate Cabinet Unit Power Load
Each cabinet can handle a maximum of 80 unit loads of 48-volt power. The
unit load for each type of terminal equipment is shown in Table C-A. Before
adding a CP or a terminal to an existing system, count the unit loads in the
cabinet to ensure that the maximum has not been reached.
Any station/adjunct combination requiring more than two unit loads must be
locally powered.
When 7300H Series terminals are locally powered, they
represent zero load to the switch. (Any CPs not listed do not affect the unit
load.)
November 1995
C-1