Nortel Meridian Companion Installation And Maintenance Manual page 27

full or if the customer wants to keep the wiring separate from the other
telephone set wiring.
Note: The polarity of the TCM connections is not important. If two power
pairs are brought in, they must be connected with the same polarity to
the termination board.
Installing the hardware Page 17 of 206
WARNING!
When using two power pairs, ensure
they are connected with the same
polarity.
Meridian Companion Installation and Maintenance Guide