Page 338 of 894 NT5D97 Dual-port DTI2/PRI2 card

Switch S6 selects the Receiver interface.

Table 128

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

 

 

 

 

 

Trunk 1 switches for NT5D97AD

Table 129

Trunk 1 switches

Switch

Function

 

 

S7

General Purpose...See Table 125 on page 337

 

 

S10

TX Mode...See Table 126 on page 337

 

 

S13, S14 & S15

LBO...See Table 127 on page 337

 

 

S11

RX Impedance...See Table 128 on page 338

 

 

Ring ground switches for NT5D97AD

Switch S16 selects which ring lines connect to ground. When set to ON, the ring line is grounded.

Table 130

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

 

 

 

553-3001-211 Standard 2.00 September 2004

Page 338
Image 338
Nortel Networks 553-3001-211 manual 120 οhm, Ring ground switch for NT5D97AD Switch Line