Nortel DMS-100 Series Replacement Procedures page 922

1-890 XPM card replacement procedures
NT6X21
in an RSC-S (DS-1) Model A LCME
Recommended NT6X21AD S1 DIP switch settings (Sheet 1 of 2)
Recommended voice
application S1
Switch
positio
nON
OFF
0dB
P-phone sets
long loop:
19-24dB EML
P-phone sets
medium loop:
17-19dB EML
P-phone sets
medium loop:
4-17dB EML
P-phone sets
short loops:
0-4dB EML
Nortel UDLCs
Other vendors
UDLCs
297-8021-547 Standard 14.02 May 2001
b Make DIP switch changes to the replacement NT6X21AD card to match
DIP switch settings of the card being replaced, or as defined in the
following table.
Signali
ng
D/A levels
Balanc S3 and
e S2 S4
Switch
positio
nON
OFF
-3.5 dB NL
X
X
X
X
X
X
(continued)
Both
ON
1.3
9+2 Vpp
X X
X
X
X
X
X
Both
S4 ON S3 ON OFF
0.8 0.6 0.14
Vpp Vpp Vpp
X
X
X
X
X