Nortel Networks 1000 - Manual (Page 651)

Functional description 651
•
2-wire, E and M Type I signaling (see Figure 216 "E and M Type I
signaling" (page 654) ) with:
— near-end seizure and outpulsing with M lead
— ground detection with E lead
— voice transmission through tip and ring for transmit and receive
• 4-wire, E and M Type I and II signaling (see Figure 217 "E and M Type
II signaling" (page 655) ), 2-way dial repeating with:
— echo suppression for Type I signaling
— switchable 7 dB and 16 dB pads for carrier interface
— voice transmission and reception through two separate paths
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.