Electra Elite IPK II
Document Revision 3
System Hardware Manual
4 - 5
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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
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.
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