Nortel Circuit Card Installation Manual page 350

Page 350 of 906
553-3001-211 Standard 3.00
NT5D97 Dual-port DTI2/PRI2 card
Switch S6 selects the Receiver interface.
Table 133
Receiver interface switches for NT5D97AD
Impedance
75 ohm
120 οhm
Trunk 1 switches for NT5D97AD
Table 134
Trunk 1 switches
Switch
S7
S10
S13, S14 & S15
S11
Ring ground switches for NT5D97AD
Switch S16 selects which ring lines connect to ground. When set to ON, the
ring line is grounded.
Table 135
Ring ground switch for NT5D97AD
Switch
S16_1
S16_2
S16_3
S16_4
August 2005
S6-1 S6-2
OFF OFF
OFF OFF
Function
General Purpose...See Table 130 on
TX Mode...See Table 131 on
LBO...See Table 132 on
RX Impedance...See Table 133 on
Line
Trunk 0 Transmit
Trunk 0 Receive
Trunk 1 Transmit
Trunk 1 Receive
S6-3 S6-4
ON OFF
OFF ON
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