Nortel Networks Circuit Card - Manual (Page 636)

Page 636 of 906 NT8D15 E&M Trunk card
553-3001-211 Standard 3.00 August 2005
Figure 145
E&M Type II signaling
Ð 48V
SG
E
M
SB
Ð 48V
SG
E
P
P
M
SB
553-6259
Note: M, SB, E, and SG designations are Electronic Industries Association and
Telecommunications Industries Association (EIA/TIA) conventions. These leads are
also known as MB, MA, EA, and EB, respectively.