Nortel Networks Circuit Card Benutzerhandbuch
NT5D97 Dual-port DTI2/PRI2 card
Page 349 of 906
Trunk interface switches for NT5D97AD
Trunk 0 switches
Switch S12 gives the MPU information about its environment.
Switch S2 selects the Transmission mode.
Switch S3, S4, and S5 select LBO function.
Table 130
General purpose switches for NT5D97AD
General purpose switches for NT5D97AD
Switch
Description
S9/S15 Switch Setting
S12_1
Impedance level
OFF - 120 ohm
ON - 75 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
ON - Unit operates in the PRI2 mode
Table 131
TX mode switches for NT5D97AD
TX mode switches for NT5D97AD
TX mode
S2
E1
OFF
Not used
ON
Table 132
LBO switches for NT5D97AD
LBO switches for NT5D97AD
LBO setting
S3
S4
S5
0dB
OFF
OFF
OFF
7.5dB
ON
ON
OFF
15dB
ON
OFF
ON