Nortel Networks Circuit Card ユーザーズマニュアル

 NT8D41AA Serial Data Interface Paddle Board

Configuring the SDI paddle board consists of setting these option switches for 
each serial port:

•

Port address

•

Baud rate

•

DTE/DCE/Fiber mode

The SDI paddle board has seven option switches, SW 2–8. Figure 159 on 

 identifies the location of option switches on the SDI paddle board. 

Instructions for setting these switches are in the section that follows.

Once the board has been installed, the system software must be configured to 
recognize it. Instructions for doing this are found in “Software service 
changes” on 

”.

8

CTS

Clear to send (Note 1)

Clear to send

Note 1: In DTE mode the signals CD, DSR, and CTS are tied to +12 volts to signify that the port 
on the SDI paddle board is always ready to transmit and receive data.

Note 2: In DCE mode the signals DTR and RTS are tied to +12 volts to signify that the port on 
the SDI paddle board is always ready to transmit and receive data.