Nortel Networks 1000 - Manual (Page 186)

186 NT5D11 and NT5D14 Lineside T1 Interface cards
Figure 32
Lineside T1 card - T1 protocol dip switch locations
Line Supervisory Signaling protocol
As described in “Power requirements” (page 317) , the Lineside T1 card is
capable of supporting loop start or ground start call processing modes.
Make the selection for this dip switch position based on what type of line
signaling the CPE equipment supports.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.