Nortel Circuit Card Installation Manual page 686

Page 686 of 906
Table 215
Connectors J1, J2, J3, and J4 pin assignments
Pin # Signal
8 CTS
Note 1: In DTE mode the signals CD, DSR, and CTS are tied to +12 volts to signify that the port
on the QSDI paddle board is always ready to transmit and receive data. This mode is set to
connect to a terminal device (DTE).
Note 2: In DCE mode the signals DTR and RTS are tied to +12 volts to signify that the port on
the QSDI paddle board is always ready to transmit and receive data. This mode is set to
connect to a modem device (DCE).
553-3001-211 Standard 3.00
NT8D41BA Quad Serial Data Interface Paddle Board
Purpose in DTE mode
Clear to send (Note 1)
August 2005
Purpose in DCE mode
Clear to send