Nortel Circuit Card 311 Reference page 348

348 NT5D97 Dual-port DTI2 PRI2 card
Trunk interface switches for NT5D97AD
Trunk 0 switches Switch S12 gives the MPU information about its
environment.
Table 152
General purpose switches for NT5D97AD
Switch
S12_1
S12_2
S12_3
S12_4
Switch S2 selects the Transmission mode.
Table 153
TX mode switches for NT5D97AD
TX mode
E1
Not used
Switch S3, S4, and S5 select LBO function.
Table 154
LBO switches for NT5D97AD
LBO setting
0dB
7.5dB
15dB
Switch S6 selects the Receiver interface.
Table 155
Receiver interface switches for NT5D97AD
Impedance
75 ohm
120 ohm
Trunk 1 switches for NT5D97AD
Copyright © 2003-2008, Nortel Networks
.
Description
Impedance level
Spare
Spare
Unit mode
S3
OFF
ON
ON
S6-1 S6-2
OFF OFF
OFF OFF
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
S9/S15 Switch Setting
OFF - 120 ohm
ON - 75 ohm
X
X
OFF - Unit operates in the DTI2 mode
ON - Unit operates in the PRI2 mode
S4
OFF
ON
OFF
S6-3
ON
OFF
S2
OFF
ON
S5
OFF
OFF
ON
S6-4
OFF
ON