QPC841 Quad Serial Data Interface card Page 867 of 894

DTE/DCE mode switch settings

Table 272 shows the DTE/DCE mode selection switches for the four serial ports.

Table 272

QSDI card DTE/DCE mode switch settings

 

 

 

Port 1 – SW8

 

 

 

 

 

Port1 – SW9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode

1

2

 

3

4

 

5

6

1

2

 

3

4

 

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTE (Terminal)

on

on

 

on

on

 

on

on

off

off

 

off

off

 

off

off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DCE (Modem)

off

off

 

off

off

 

off

off

on

on

 

on

on

 

on

on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Port 2 – SW6

 

 

 

 

Port 2 – SW7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode

1

2

 

3

4

 

5

6

1

2

 

3

4

 

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTE (Terminal)

on

on

 

on

on

 

on

on

off

off

 

off

off

 

off

off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DCE (Modem)

off

off

 

off

off

 

off

off

on

on

 

on

on

 

on

on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Port 3 – SW4

 

 

 

 

Port 3 – SW5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode

1

2

 

3

4

 

5

6

1

2

 

3

4

 

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTE (Terminal)

on

on

 

on

on

 

on

on

off

off

 

off

off

 

off

off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DCE (Modem)

off

off

 

off

off

 

off

off

on

on

 

on

on

 

on

on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Port 4 – SW2

 

 

 

 

Port 4 – SW3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode

1

2

 

3

4

 

5

6

1

2

 

3

4

 

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DTE (Terminal)

on

on

 

on

on

 

on

on

off

off

 

off

off

 

off

off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DCE (Modem)

off

off

 

off

off

 

off

off

on

on

 

on

on

 

on

on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Test switch setting

Switch SW16 is only used for factory testing; all of its switches must be set to OFF for proper operation.

Circuit Card Description and Installation

Page 867
Image 867
Nortel Networks 553-3001-211 manual DTE/DCE mode switch settings, Test switch setting, Port 2 SW6 Port 2 SW7 Mode