B&B Electronics High Speed Asynchronous to Synchronous Converter 2011 - Manual (Page 9)

2011AS3297 Manual 7
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 434-7094
APPENDIX B: ASYNCHRONOUS PORT
CONNECTIONS (CONFIGURED AS “DCE”)
Pin Name Description
1 FG Frame Ground; connected straight to synchronous port
2 TXD Transmit Data (to 2011); data input from asynchronous
port; Input to the 2011 power supply
3 RXD Receive Data (from 2011); data output to asynchronous
port
4 RTS Request to Send (to 2011); input to the power supply
5 CTS Clear to Send (from 2011); connected straight through to
synchronous port
6 DSR Data Set Ready (from 2011); connected straight through to
synchronous port
7 SG Signal Ground; connected straight through to synchronous
port
8 CD Carrier Detect (from 2011); connected straight through to
synchronous port
9 +DCV Connected straight through to synchronous port
10 -DCV Connected straight through to synchronous port
20 DTR Data Terminal Ready (to 2011); input to power supply
22 Rl Ring Indicator (from 2011); connected straight through to
synchronous port