SCH4800 - 4899
| SCH4800 | Input source or destination shelf number is not defined in the NT8D shelf configuration. |
| SCH4801 | Invalid starting target unit (STUN) input. |
| SCH4802 | Source and destination card types are not the same. |
| SCH4803 | Cannot move or swap different source Controllers (NT8D01) to the same destination Controller. |
| SCH4804 | Cannot move different source SD/DD/QD cards to the same destination Controller (NT8D01) with the same starting target unit (STUN) more than once. |
| SCH4805 | Cannot move or swap the same source segment more than once. |
| SCH4806 | Cannot move or swap different source segments to the same destination segment. |
| SCH4807 | No shelf is defined in configuration for this superloop. |
| SCH4808 | Too many cards are currently configured on the source or destination shelf. |
| SCH4809 | Too many shelves are currently configured on the source or destination loop. |
| SCH4810 | Cannot move or swap shelf from SD/DD/QD to superloop shelf. |
| SCH4811 | Starting segment input does not belong to the destination superloop shelf. |
| SCH4812 | No non-service card is defined on the source or destination segment. |
| SCH4813 | Too many cards are configured on the source segment for a move or swap operation. |
| SCH4814 | The input segment number does not belong to the given superloop shelf. |
| SCH4815 | Cannot move off-premise extension (OPX) data to Controller (NT8D01). |
| SCH4816 | Cannot move or swap SD/DD/QD loop data to superloop. |
| SCH4817 | No shelf is defined for both superloops. |
| SCH4818 | No shelf is defined for destination superloop. |
| SCH4819 | No shelf is defined for source superloop. |
| SCH4820 | No shelf is defined for the source or destination superloop. |
| SCH4821 | Cannot move data from Digital Link Interface (DLI) loop to superloop. |
| SCH4822 | Destination segment number needed. |
| SCH4823 | Source card is empty, nothing to move. |
| SCH4824 | Invalid shelf number for Network/DTR (NT8D18) loop. |
| SCH4825 | For Network/DTR (NT8D18 card) loop. Slot 15 is reserved for Digitone Receiver |
| SCH4826 | Cannot move or swap data from superloop to SD/DD/4D loop. |
| SCH4827 | Cannot move or swap SD/DD/QD loop to superloop. |
| SCH4828 | Cannot move or swap card and shelf data of superloop to another superloop in the same move/swap operation. |
| SCH4829 | Cannot move SD/DD/QD card data other than PBX and ISDLC to controller. |
| SCH4830 | Card input does not belong to given superloop and shelf. |
| SCH4860 | The Announcement table cannot be changed printed or removed if it is not configured. Action: Please check AANN configuration. |
| SCH4861 | AANN table already exists. Action: Please check AANN configuration. |
| SCH4862 | AANN does not exist. Action: Please check AANN configuration |
| SCH4863 | The PSTN option is valid on MCDN trunk routes only. Action: Check if this route is an ISDN route and IFC type is type os SL1. |
| SCH4864 | ATAN cannot be enabled when no Attendant Announcement profiles are configured in OL
56. Action: Load OVL 56 and configure AANN section. |
| SCH4865 | AANN Table is not configured or is out of range. Action: Check range type and enter again. |
| SCH4866 | Call Answer Forced has been activated on this route. |