
How the
system
renumbers
logical ports
The automatic renumbering configuration, which renumbers the logical ports, begins at the
bottom universal slot and proceeds upward. When the configuration is finished, the line and
station ports are numbered logically from slot UNV1 through slot UNV6.
Adding
boards
without
renumbering
When you install additional boards or relocate existing boards after the system is in service, the
logical numbers of the stations or lines on the added board continue from the last assigned logical
number. For example, if your last assigned station number was 16, the next station number will
be 17, regardless of the board’s physical slot.
After you remove and delete a board through programming, that board’s logical ports are
available for reassignment. So an added or relocated board would then take the logical port
numbers from the removed board and not from the end of the logical sequence. For example, if
you had 64 stations and were to remove a station board that had held logical stations 1–16, the
next station board that you installed would occupy logical station ports 1–16 and not ports 64–80.
If you were to remove an 8-port board and replace it with a 16-port board, the first eight ports on
the new board would replace the original eight logical port numbers, and the remaining eight
ports would begin with the last assigned logical port. So using our same scenario, the new 16-port
board would have logical ports 1–8 and 64–72.
3 – 8 General Description
GCA40–215 General Description
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