B&B Electronics 2011 manual Appendix B Asynchronous Port Connections Configured AS DCE

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

2011AS3297 Manual 7

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