Nortel Networks Circuit Card User Manual
Page 690
Page 690 of 906
NT8D41BA Quad Serial Data Interface Paddle Board
553-3001-211 Standard 3.00 August 2005
DTE/DCE/Fiber mode
Each serial port can be configured to connect to a terminal (DTE equipment),
a modem (DCE equipment), or a Fiber Superloop Network card. Instructions
for setting the switches SW2, SW3, SW4, SW5, SW6, SW7, SW8, and SW9
are shown in Table 218. Figure 161 on
shows the location of these
switches on the paddleboard.
Table 218
NT8D41BA DTE/DCE/Fiber switch settings
Mode
Port 1 — SW 3
Port 1 —SW 2
1
2
3
4
5
6
1
2
3
4
5
6
DTE (terminal)
on
on
on
off
on
off
off
on
off
on
off
on
DCE (modem)
off
off
off
on
off
on
on
off
on
off
on
off
NT1P61 (Fiber)
on
on
on
on
on
off
on
on
on
off
on
off
Port 2 — SW 5
Port 2 — SW4
DTE (terminal)
on
on
on
off
on
off
off
on
off
on
off
on
DCE (modem)
off
off
off
on
off
on
on
off
on
off
on
off
NT1P61 (Fiber)
on
on
on
on
on
off
on
on
on
off
on
off
Port 3 — SW 7
Port 3— SW 6
DTE (terminal)
on
on
on
off
on
off
off
on
off
on
off
on
DCE (modem)
off
off
off
on
off
on
on
off
on
off
on
off
NT1P61 (Fiber)
on
on
on
on
on
off
on
on
on
off
on
off
Port 4 — SW 9
Port 4 — SW 8
DTE (terminal)
on
on
on
off
on
off
off
on
off
on
off
on
DCE (modem)
off
off
off
on
off
on
on
off
on
off
on
off
NT1P61 (Fiber)
on
on
on
on
on
off
on
on
on
off
on
off