Bay Technical Associates DS2-RPC DS4-RPC, DS73 DS74 EIA-232 RJ-45 Pin/Signal Definition

DS-RPC OWNER’S MANUAL CABLING

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		DS74 EIA-232 RJ-45 Pin/Signal Definition
Pin	EIA-232	Description
	Signal
1	Handshake	(DTR) Line Driver Inactive State = Low: Used as a handshake line
	Out	to enable/disable the receiving of characters. –12V when port is not
		selected unless programmed differently.
2	Gnd	Signal ground
3	Handshake	(RTS) Line Driver Inactive State = Low: –12V when port is not
	Out	selected unless programmed differently.
4	TX Out	Transmit Data (data out)
5	RX In	Receive Data (data in)
6	Handshake	(DSR) Handshake In. +12V when not used.
	In
7	Gnd	Signal ground
8	Handshake	(CTS) Used as a handshake line to enable/disable the receiving of
	In	characters.

Table 3 DS74 PIN SIGNAL DEFINITION

The DS74 module has four RJ-45 ports for connecting to peripheral devices. BayTech has a complete line of modular adapters and cables that may be helpful with your installation. For more information on these cables and adapters, contact BayTech’s Applications Engineers.

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