NEC Electra Elite IPK Programing Manual page 489

Document Revison 1
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1. The Elite IPK system divides the connections into the following patterns:
(Specify the sending and receiving levels of each pattern for each of the trunks.)
Pattern A (Intercom Mode)
Sending level
Receiving level
Pattern B (Tandem Mode)
Sending level
Receiving level
2. This Memory Block applies to Tie lines, T1, DID, and ISDN trunks.
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Notes
Connections established between the intercom stations of the
local system and trunks.
Connections established between two systems, with the local
system as a tandem system.
(To be specified in this Memory Block.)
Elite IPK
Programming Manual