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