NEC ELECTRA ELITE IPK II - Determining Telephone and CO Port Numbers

Electra Elite IPK II Document Revision 3
System Hardware Manual 4 - 5
___________________________________________________________________________________
___________________________________________________________________________________
7.2.1 Determining Telephone and CO Port Numbers
Telephone and CO Ports numbers are provided with the Electra Elite
IPK II system to count the station numbers and trunk numbers when
programming System Data. The example below indicates how the
CO and trunk numbers can be used.
The following ETUs are installed for the Figure 4-2 Telephone and
CO Port Numbering Example.
Slot ETU
S1 DTI-U( ) (All 24 channels count against the
system maximum capacity, even when only 8
or 16 are used).
S2 ESIB(8)-U( ) ETU with ESIE(8)-U( ) ETU
S3 TLI(2)-U( )
S4 COI(8)-U( )
S5 SLI(8)-U( )
S6 DID(4)-U( )
S7 ESIB(8)-U( ) ETU
S8 Open
Figure 4-2 Telephone and CO Port Numbering Example
Trunk
Ports
1 ~ 24
Telephone
Ports
1 ~ 16
Trunk
Ports
25 ~ 28
(See Note)
Trunk
Ports
29 ~ 36
Telephone
Ports
17 ~ 24
Trunk
Ports
37~40
Telephone
Ports
25~32
Open
S1 S2 S3 S4 S5 S6 S7 S8
 The TLI(2)-U( ) ETU has two E&M Tie lines, however, four of the system Trunk
ports are used.