NEC Xen IPK Features & Specifications Manual page 608

July 2003
Trunk Interface Units
BRT (4)-U( ) ETU
COI(4)-U( ) ETU
COI(8)-U( ) ETU
DID (4)-U( ) ETU
IPT(4)-U( ) ETU
IPT(8)-U( ) ETU
PRT(1)-U( ) ETU
TLI (2)-U( ) ETU
Calculating maximum capacities are based on the system having a minimum of 8 Electronic Station
NOTE 1:
Interface (ESI) ports and 4 Trunk ports.
When 2-port Trunk Interface ETUs are installed, the system uses four ports from its maximum port
NOTE 2:
capacity.
With the Basic Port Package, a maximum of four PRT(1)-U( ) ETUs can be installed. When four PRT
NOTE 3:
ETUs are installed, up to four trunks each can be assigned.
With the Xen IPK Expanded Port Package, a maximum of 14 of the following 4-port trunk-type
NOTE 4:
interface ETUs can be installed:
IPT(4)-U( ) ETU [installed as a COI/COID(4)-U( ) ETU]
600 – U3
Description
4-port ISDN Interface for 8 trunks
4-port CO/PBX Line Interface
8-port CO/PBX Line Interface
4-port Direct Inward Dialling Interface
4-port Voice over Internet Protocol
Trunk Interface
8-port Voice over Internet Protocol
Trunk Interface
ISDN-Primary Rate Trunk Interface
2-port Tie Line Interface
NEC Business Solutions Ltd
Maximum Capacities
Basic Port Expanded
Package Port Package
2 8
4 16
2 8
4 18
4 15
2 7
4 8
4 16
Notes
Note 1
Note 1
Note 1
Note 1
Note 1, 4
Note 1
Note 1, 3~5
Note 1, 2
Universal Slots