Nortel Circuit Card 311 Reference page 785

Each of the four trunk circuits on the E and 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
jumper locations" (page
Each of the four trunk circuits on the E and 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.
Jumper settings
The NT8D15 E and 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 and M, 4-wire E and M, and paging
trunk types. The trunk type is selected by service change entries and
jumper strap settings.
See
Copyright © 2003-2008, Nortel Networks
.
786).
Table 303 "E and M Trunk card - jumper strap settings" (page
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Configuration 785
Figure 255 "E and M Trunk card -
787).