NEC Electra Elite IPK II System Hardware Manual page 532

Document Revision 3 Electra Elite IPK II
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2. Connect one end of a second RJ-11 to the TEL jack on the SLT
Adapter and the other end to the Single Line Telephone.
SLTII(1)-U( ) ADP
RJ-11
RJ-11
2-wire 2-wire
ESI
Figure 11-34 Connecting a Single Line Telephone to the
System using an SLTII(1)-U( ) ADP
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11 - 28 Installing Electra Elite Optional Terminal Equipment