NEC Xen IPK Features & Specifications Manual page 606

Phone system

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An ESIB(8)-U( ) ETU with an ESIE(8)-U( ) ETU installed supports 16

Electronic Station Interface ports. This combination can be installed in

any Interface Slot (1~8) of any Cabinet (1~3) without requiring

adjacent slots to be vacant.

PRT(1)-U( ) ETUs can be installed in any Interface Slot (1~8) of any

Cabinet (1~3), only requiring one adjacent slot to be vacant when the

number of channels is more than 24.

PRT(1)-U( ) ETUs can be assigned in Memory Block 7-1 (Card

Interface Slot Assignment) with the following configurations:

PRT4 (4 ports, 4 B channels)

PRT8 (8 ports, 8 B channels)

PRT12 (12 ports, 12 B channels)

PRT16 (16 ports, 16 B channels)

PRT20 (20 ports, 20 B channels)

PRT24 (24 ports, 24 B channels)

PRT28 (28 ports, 28 B channels)

PRT32 (32 ports, 30 B channels)

The following Memory Blocks are used to assign non-physical station

ports and will reduce the maximum station port capacity:

1-2-04 Call Arrival (CAR) Key Block Assignment

1-2-21 PS Telephone Block Assignment

1-2-32 IP Phone Block Assignment

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