FieldServer FS-X20 instruction manual PIN Description, From DCE To DCE

Start-up guide

Note: FS-X20 Series RS-232 numbering convention is reverse to the 10BaseT numbering convention.

							8	7	6	5	4	3	2	1
8	7	6	5	4	3	2	1
	RJ45 Male Modular Jack						RJ45 Female Modular Jack
	Figure 2-5 RS-232/Cat 5 Wire Functions/Connections

PIN	DESCRIPTION		From DCE To DCE
1	Frame Ground
2	Transmitted Data		D (Data)
3	Received Data		D
4	Request to Send		C (Control)
5	Clear to Send		C
6	Data Set Ready		C
7	Signal Gnd/Common return
8	Rcvd Line Signal Detector		C
11	Undefined
12	Secondary Rcvd Line Signal Detector		C
13	Secondary Clear to Send’		C
DB25 Male 14	Secondary Transmitted Data		D
15	Transmitter Sig Element Timing		T (Timing)
16	Secondary Received Data		D
17	Receiver Sig Element Timing		T
18	Undefined
19	Secondary Request to Send		C
20	Data Terminal Ready		C
21	Sig. Quality Detector		C
22	Ring Indicator		C
23	Data Sig Rate Detector		C
24	Transmitter Sig Element Timing		T
25	Undefined
	Figure 2-6: - General PC Connector pinouts – DB25M
		PIN	SIGNAL
		1	Data Carrier Detect
		2	Received Data
		3	Transmitted Data
		4	Data Terminal Ready
		5	Signal Ground
DB9 Male		6	Data Set Ready
		7	Request to Send
		8	Clear to Send
		9	Ring Indicator
	Figure 2-7: - General PC Connector Pinouts – DB9M

Page 6 FS-X20 Series FieldServer Start-up Guide (07-2005)