July 2003
NEC Business Solutions Ltd
598 – U3
Universal Slots
Doc. No. 8
201 - Re
lease 1.0
July 2003
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:
z
PRT4 (4 ports, 4 B channels)
z
PRT8 (8 ports, 8 B channels)
z
PRT12 (12 ports, 12 B channels)
z
PRT16 (16 ports, 16 B channels)
z
PRT20 (20 ports, 20 B channels)
z
PRT24 (24 ports, 24 B channels)
z
PRT28 (28 ports, 28 B channels)
z
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:
z
1-2-04 Call Arrival (CAR) Key Block Assignment
z
1-2-21 PS Telephone Block Assignment
z
1-2-32 IP Phone Block Assignment