Nortel DMS-100 Series Replacement Procedures page 923

Recommended NT6X21AD S1 DIP switch settings (Sheet 2 of 2)
Recommended voice
application S1
Switch
positio
nON
OFF
0dB
6X21AC
equivalent mode
Note: dB=decib
el,
NL=nonloaded,
Vpp=voltage
peak to peak,
EML=estimated
measured loss,
as defined in NTP
297-2011-180,
BCS35 version
01.02
9
DMS-100 Family NA100 Card Replacement Procedures Volume 4 of 7 LET0015 and up
in an RSC-S (DS-1) Model A LCME
Signali
ng
D/A levels
Balanc S3 and
e S2 S4
Switch
positio
nON
OFF
-3.5 dB NL
X
c Slide the card in the shroud guide slots toward the drawer backplane.
d Hold the front cover of the line drawer with your left hand to steady it.
e Grasp the top and bottom edges of the card with the fingers of your right
hand.
f Push the card toward the backplane until it plugs fully into the backplane
socket.
Use the following information to determine where to proceed.
If you entered this procedure
from
alarm clearing procedures
other
XPM card replacement procedures
Both
ON
1.3
9+2 Vpp
X X
Do
step 14
step 10
NT6X21
(continued)
Both
S4 ON S3 ON OFF
0.8 0.6 0.14
Vpp Vpp Vpp
1-891