Configuration, Jumper settings – Nortel Networks Circuit Card User Manual
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NT8D15 E&M Trunk card
553-3001-211 Standard 3.00 August 2005
Configuration
Each of the four trunk circuits on the E&M trunk card can be individually
configured for trunk type, companding mode, and port-to-port loss
compensation. Configuring the card requires both jumper changes and
configuration software service entries.
The locations of the jumpers are shown in Figure 154 on
.
Jumper settings
The NT8D15 E&M Trunk card serves various transmission requirements.
The four units on the card can operate in A-Law or µ-Law companding
modes, which are selected by service change entries. Each unit can be
independently configured for 2-wire E&M, 4-wire E&M, and paging trunk
types. The trunk type is selected by service change entries and jumper strap
settings.