Page 624 of 894 NT8D15 E&M Trunk card
553-3001-211 Standard 2.00 September 2004
Figure 142
E&M Type II signaling
Ð48V
SG
E
M
SB
Ð48V
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.