Bay Technical Associates DS72 manual Cabling, RJ-45 Cables and Adapters, Adapters Signals

DS72 Host Module

Cabling

RJ-45 Cables and Adapters

DS72 EIA-232 RJ-45 Pin/Signal Definition

Pin	EIA 232	Signal
	Signal	Direction
1	DTR	Out
2	GND
3	RTS	Out
4	TX	Out
5	RX	In
6	DSR	In

7GND

8CTS In

Description

Handshake, Line Driver Inactive State = High: +12V when power is applied. Used as a handshake line to enable/disable the receiving of characters.

Signal Ground

Handshake, Line Driver Inactive State = High: +12 V when power is applied. Not used to enable/disable.

Transmit Data Out

Receive Data In

Handshake In. –12V when not used.

Signal Ground

Used as a handshake line to enable/disable the receiving of characters.

Adapters Signals

Listed are the pin specifications for the BayTech cable and adapters and the terminal COM ports:

RS-232 RS-232 COM Port COM Port

Signal Port (DS) Port (RPC) DE-9 Pin DB-25 Pin

DTR GND

RTS

TxD

RxD

DSR GND

CTS

DTR

DCD

RI

1

2

3

4

5

6

7

8

9

1

2

3

4

5

N/C

7

8

4

7

3

2

6

5

8

4

1

20	DSR
1
	GND
5
	CTS

2 RxD

3 TxD

6 DTR

7GND

4 RTS

DCD

8 DTR

22

11