Paradyne 9664 COM Port Connector

Connectors, Cables, and Pin Assignments
C-2 9664-A2-GB20-00March 2000
COM Port Connector
The following table shows the signals and pin assignments for the DB25
communication port connector.
Signal Direction Pin #
Shield — 1
Transmit Data (TXD) To COM port (In) 2
Received Data (RXD) From COM port (Out) 3
Request to Send (RTS) To COM port (In) 4
Carrier Detect (CD) From COM port (Out) 5, 6, 8
Signal Ground (SG) To/From COM port 7
Data Terminal Ready (DTR) To COM port (In) 20
COM Port-to-Terminal Cable (Feature No. 3100-F2-540)
Order this cable when connecting the COM port to an asynchronous terminal;
it does not come with the FrameSaver unit. The following shows the
pin assignments from the COM port to the terminal interface.
1
2
3
4
5
6
7
8
496-14910
COM Port
Non-Keyed
8-Position
Modular Plug
Tx Clock
Rx Data
Ground
Tx Data
DTR
CD
RTS
Rx Clock
15
3
7
2
20
8
5
6
4
17
Rx Data
Ground
Tx Data
DTR
CD
CTS
DSR
RTS
DTE
DB25 Plug