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Aria-34e
Installation
Digital Key Telephone System
4.7 STATION WIRING
There are three(3) 25 pair CHAMP connectors(CN14 ~ CN16) in the left most side of
the MBU. These connectors are used to connect all ports of the system except the
ETIB and ISDN line/terminal. Such as CO lines, electronic keysets, digital keysets
and single line telephones. So, station wiring is performed by using these connectors.
The CHAMP cable connection method is shown in Figure 28.
The middle one(CN15) is assigned to CO line connection only, and signal lines of this
connector are distributed to slot #3 ~ slot #7. Refer to [CO Wiring] section.
The upper one(CN14) and lower one(CN16) are assigned to system‟s extension lines
such as digital keysets and single line telephones. Basically the upper most
connector(CN14) is used to connect basic system resources and basic digital
extensions. The upper connector‟s usage is listed as follows and detailed pin mapping
table is shown in Table 1.
Figure 28. CHAMP CABLE CONNECTION METHOD
4-30
Rev 1.3
Aria Communications Pty Ltd.
A.C.N. 090 723 925
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