Led Indicators - Cisco AS5800 Manual

Each individual T1 or E1 port can be used as the system clocking
reference. Each CT1 or CE1 trunk card can supply two clocks from
any two of its twelve ports. You can assign priorities to these
clocks, or accept the default values assigned by the software.
Default values for clocking are based on the following parameters:
(a) Ports are prioritized from 0­11. The port with the
lowest number has the highest priority.
(b) Slots are prioritized from slot 0 to slot 5. The lowest
slot number has the highest priority.
(c) Clocks are prioritized by slot number. The highest
priority clock is selected from the card in slot 0. If this
clock fails, the highest priority clock from the card in
slot 1 becomes the default clock, and so forth.
The trunk card then forwards the clocks to the dial shelf controller.
The dial shelf controller selects the highest priority clock as the
system primary clock, and the rest of the clocks remain in a
prioritized backup queue.
Instead of using the default algorithm for clock selection, you can
specify clocks through configuration. You configure the clocks
globally, and can select a maximum of two clocks per trunk card.
For example, if you install three trunk cards, you can configure up
to six clocks. (While two trunk cards are sufficient to give full
coverage to ten modem cards, you can have up to six trunk cards
seated in slots 0 through 5 for a maximum selection of twelve
clocks.)
If you configure fewer than two clocks on a trunk card and all other
configured clocks fail, the clock selection will resort to the default
algorithm on that card and the second clock will be selected
automatically.
• Process counting information for performance monitoring
• Support online insertion and removal (OIR)
The trunk card supports OIR, a feature that allows you to remove
and replace trunk cards in the Cisco 5814 dial shelf while the
system is operating without disrupting other cards and their
associated calls. If you remove a trunk card while the system is
operating, all calls associated with the 12 E1 or T1 lines on that
card are dropped. Calls being handled by other trunk or modem
cards, however, are not affected.
shows two trunk cards installed in a fully configured Cisco 5814 dial
shelf chassis.
Figure 4 Cisco 5814 Dial Shelf Chassis Fully Configured with Trunk
Cards Installed
LED Indicators
The CT1 and CE1 trunk card front panel is designed with LED
indicators and a liquid crystal display (LCD) to provide trunk card