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Start-up guide
Page 6 FS-X20 Series FieldServer Start-up Guide (07-2005)
Note: FS-X20 Series RS-232 numbering convention is reverse to the 10BaseT numbering
convention.
12345678
RJ45 Male Modular Jack
12345678
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
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
DB25 Male
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
6 Data Set Ready
7 Request to Send
8 Clear to Send
DB9 Male
9 Ring Indicator
Figure 2-7: - General PC Connector Pinouts – DB9M