Zhone IMACS 8000 User Manual page 687

Multi DS0 only allowed for PPP 1-4
Only ports one through four on an IPR*4 card are granted higher then a single DS0 of
bandwidth.
Must be in terminal mode.
You cannot use the Configuration option on a WAN card in the drop-and-insert mode.
Must have clean WAN.
You cannot use the Configuration option on a WAN card whose time slots are already
occupied.
Must have OOS status.
You cannot delete a card that has not been removed from the system. Remove the card first.
Must have WAN card installed.
You cannot use the Configuration option on an uninstalled WAN card. Install the card first.
N392 must be less than or equal to N393.
N392 determines the amount of errors that will be tolerated during the amount of events
assigned in N393. FRAD rules require that N392 be less than or equal to N393.
No changes for selected switch.
When connected to an ISDN office switch, you cannot change the status of a B-channel.
No changes while BERT is running.
You cannot change the port configuration while Bit Error Rate Testing is active. Turn the test
mode off before making your changes.
No d-i mode for this slot.
In a redundant cross-connect system, you cannot assign the drop-and-insert (d-i) mode to the
WAN card in slot W3, which holds the redundant WAN card.
Reference Guide B-13