2N Omega Lite - Installation Manual v1.9 - Manual (Page 20)

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Notes:

In no case may system telephones be connected in parallel.

LEDs (D1,D2) on the module signal by flashing ongoing communication between the
PBX and system telephone.

If the C and D connectors are confused in the system cabling, the system telephone will
not work but will not be damaged.
 The module is provided with its “own intelligence” – a processor that time balances the
data flow between the main PBX processor and both system telephones. This single-
chip microcomputer is mounted in a socket and can be replaced if necessary.