User's Manual

TECHNICAL SPECIFICATIONS
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©©
© RF Innovations Pty Ltd, 1998 Page: 87
234839, Revision 2.2
EIA Standard RS-232-C Pin Assignments
RS-232 DB-25 Pin Assignments
PIN
Name
D
T
E
D
C
E
Function
1 FG Frame Ground
2Tx Transmitted Data
3 Rx Received Data
4 RTS Request To Send
5CTS Clear To Send
6 DSR Data Set Ready
7 SG Signal Ground
8 DCD Data Carrier Detect
9Positive DC Test Voltage
10 Negative DC Test Voltage
11 OM Equalizer Mode
12 (S)DCD SEC Data Carrier Detect
13 (S)CTS SEC Clear To Send
14 (S)Tx SEC Transmitted Data
NS New Sync
15 TC Transmitted Clock
16 (S)Rx SEC Received Data
DCT Divided Clock Transmitter
17 RC Receiver Clock
18 DCR Divided Clock Receiver
19 (S)RTS SEC Request To Send
20 DTR Data Terminal Ready
21 SQ Signal Quality Detect
22 RI Ring Indicator
23 Data Rate Selector
Data Rate Selector
24 (TC) EXT. Transmitter Clock
25 Busy
Table C-3 DB-25 RS-232 Pin Assignments
RS-232 DB-9 Pin Assignments
PIN
Name
D
T
E
D
C
E
Function
1DTR Data Terminal Ready
2 Rx Received Data
3Tx Transmitted Data
4 DCD Data Carrier Detect
5 SG Signal Ground
6 DSR Data Set Ready
7CTS Clear To Send
8 RTS Request To Send
9N/A
Table C-4 DB-9 RS-232 Pin Assignments