Nortel Communication Server 1000S Installation And Configuration Manual page 163

NT5D97 Dual-port DTI2/PRI2 installation and removal
Line build out
A per-trunk set of three switches (S5/S11, S6/S12 and S7/S13) provides the
dB value for the line build out. Refer to Table 40 on
Note: Do not change this setup.
Table 40
Trunk interface line build out switch settings
Description Switch setting
S5/S11
0dB OFF
Receiver impedance
A per-trunk set of four DIP switches (S8/S14 provides selection between 75
or 120 ohm values. Refer toTable 41 on
Table 41
Trunk interface impedance switch settings
Description S8/S14 switch setting
75 ohm OFF
120 ohm OFF
ISDN Primary Rate Interface
S6/S12 S7/S13
OFF OFF
page 163.
OFF ON
OFF OFF
Page 163 of 394
page 163.
OFF
ON
Installation and Configuration