Example:
We have an XS-N with an AMIX board, a PowerCPU EE with a Mini-MIX daughter board.
For sets, the numbering order is:
- UA of AMIX.
- Z of AMIX.
- Z of Mini-MIX.
- VMU ports, RA.
For trunks, the numbering order is:
- Trunks of AMIX.
- T0 of Mini-MIX.
Advantages
- This numbering order associates the phones numbers with the devices following their
physical positions in the 3 cabinets.
- No undetected interface (because of an underequipped board) gets a telephone number.
Therefore, no telephone number is wasted.
- DECT handsets can be created through MMC, after the system is started. The
corresponding phone numbers follow the number given to the sub-device last detected.
- In case of a Mini-MIX, the Z interfaces are not always in the operator group.
Drawback
An interface connected to no device is given a number.
3.1.4.1 Configuration Checks
If there are hardware or configuration changes, the following limits are checked (for detailed
quantifications, please see "Capacities and limits" in the "Product Presentation" section):
- Maximum number of corded interfaces: Any additional interface will be refused.
- Maximum number of directory numbers: Any attempt to add another number will be
rejected. The directory numbers assigned to the auxiliaries (VMU, XRA, etc) are not
covered by these checks, and are always accepted.
- Maximum number of D-channels (T0/T1/T2/DASS2 interfaces): Any additional interface
(T0) or board (PRA) will be refused.
- Maximum number of B-channels (TLs, ISDN access, VoIP access): any attempt to add
another interface will be rejected (and the interface containing the B-channel in question
declared out of service).
3.1.5 Initializing Sets
On powering up, dedicated sets execute a self-test:
- display test
- test of the LEDs or icons of the set and add-on module, if any
- audio test
Chapter
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