Determining Telephone And Co Port Numbers - NEC Electra Elite IPK II System Hardware Manual

Electra Elite IPK II
___________________________________________________________________________________
1 ~ 24

___________________________________________________________________________________
System Hardware Manual
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
CO Port Numbering
Trunk Telephone
Ports Ports
25 ~ 28
1 ~ 16
(See Note)
S1 S2
The TLI(2)-U( ) ETU has two E&M Tie lines, however, four of the system
ports are used.
Figure 4-2 Telephone and CO Port Numbering Example
Example.
Slot
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
Trunk
Trunk Telephone
Ports
Ports
29 ~ 36 17 ~ 24
S3 S4
Document Revision 3
Figure 4-2 Telephone and
ETU
Trunk Telephone
Ports Ports
37~40
S5 S6
Ports Open
25~32
S7 S8
Trunk
4 - 5