Nortel Networks Circuit Card - Manual (Page 350)

Page 350 of 906 NT5D97 Dual-port DTI2/PRI2 card
553-3001-211 Standard 3.00 August 2005
Switch S6 selects the Receiver interface.
Trunk 1 switches for NT5D97AD
Ring ground switches for NT5D97AD
Switch S16 selects which ring lines connect to ground. When set to ON, the
ring line is grounded.
Table 133
Receiver interface switches for NT5D97AD
Impedance S6-1 S6-2 S6-3 S6-4
75 ohm OFF OFF ON OFF
120
οhm
OFF OFF OFF ON
Table 134
Trunk 1 switches
Switch Function
S7 General Purpose...See Table 130 on page 349
S10 TX Mode...See Table 131 on page 349
S13, S14 & S15 LBO...See Table 132 on page 349
S11 RX Impedance...See Table 133 on page 350
Table 135
Ring ground switch for NT5D97AD
Switch Line
S16_1 Trunk 0 Transmit
S16_2 Trunk 0 Receive
S16_3 Trunk 1 Transmit
S16_4 Trunk 1 Receive