Nortel 1000 Installation And Commissioning Manual page 146

146 NT5D12 Dual-port DTI/PRI card installation
Table 56
Trunk interface transmission mode switch settings
Description
For future use.
T1
Line Build Out
A per-trunk set of three switches provides a selection between 0, 7.5 or 15
dB values. See
(page
Table 57
Trunk interface line build out switch settings
Description
0 dB
7.5 dB
15 dB
Receiver Impedance
A per trunk set of four DIP switches provides a selection between 75, 100
or 120
settings" (page
Table 58
Trunk interface receiver impedance switch settings
Description
75
100
120
Ring ground switches
A set of four DIP switches selects which Ring lines are connected to the
ground. See
Copyright © 2003-2007, Nortel Networks
.
Table 57 "Trunk interface line build out switch settings"
146).
S5/S11
OFF
ON
ON
values. See Table 58 "Trunk interface receiver impedance switch
146).
OFF
ON
OFF
Table 59 "Ring ground switch settings" (page
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
S4/S10 Switch Setting
OFF
ON
Switch Setting
S6/S12
OFF
ON
OFF
S8/S14 Switch Setting
OFF ON
OFF OFF
OFF OFF
S7/S13
OFF
OFF
ON
OFF
ON
ON
147).