Nortel Communication Server 1000S Installation And Configuration Manual page 168

Page 168 of 394
Trunk interface switches for NT5D97AD
553-3001-201 Standard 2.00
NT5D97 Dual-port DTI2/PRI2 installation and removal
The following parameters are set by DIP switches. The boldface font shows
the factory set-up.
Trunk 0 switches
Switch S12 gives the MPU information about its environment as shown in
Table 46.
Table 46
General purpose switches for NT5D97AD
Switch Description
S12_1 Impedance level
S12_2 Spare
S12_3 Spare
S12_4 Unit mode
Switch S2 selects the Transmission mode as shown in Table 47.
Table 47
TX mode switches for NT5D97AD
TX mode
E1
Not used
September 2004
S9/S15 Switch Setting
OFF - 120 ohm
ON - 75 ohm
For future use
For future use
OFF - Unit operates in the DTI2 mode
ON - Unit operates in the PRI2 mode
S2
OFF
ON