Specifications of VCTRUNK on the EFS0 board

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The number of supported VCTRUNKs is as follows:

The number of VCTRUNKs supported by an N1EFS0 board is 12.

The number of VCTRUNKs supported by an N2EFS0/N4EFS0/N5EFS0 board is 24.

Configuration principles are as follows:

Each VC channel can be bound only to one VCTRUNK.

VCTRUNK1 to VCTRUNK12 must be bound when a board is housed in a slot providing 622M bit/s bandwidth of N2EFS0/N4EFS0/N5EFS0 board.

VCTRUNK 1-VCTRUNK 12 can be bound only with lower order paths in VC-4s numbered 1-4. VCTRUNK 13-VCTRUNK 24 can be bound only with lower order paths in VC-4s numbered 5-8.

VC-4s numbered 4 and 8 support the binding of VC-3 and VC-12 paths. The other VC-4s support the binding of VC-3 paths only.

A VCTRUNK can be bound with a maximum of 12 VC-3s or 63 VC-12s.

A VCTRUNK can be bound with the VC-12 path or VC-3 path at one time. A VCTRUNK should not be bound with VC-12 and VC-3 paths at the same time.

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