Applied Systems Engineering ASE2000 User Manual

ASE2000 V2 Communication Test Set User Manual 98
17.5. DB-9 Null Modem Adaptor (Standard)
The following table illustrates the pin-out of a “standard” DB9 to DB-9 Null Modem Adaptor.
Signal Description DB-9M DB-9F Signal Description
DCD – Data Carrier Detect 1 7 RTS – Request To Send**
DCD – Data Carrier Detect 1 8 CTS – Clear To Send**
RXD – Receive Data 2 3 TXD – Transmit Data
TXD – Transmit Data 3 2 RXD – Receive Data
DTR – Data Terminal Ready 4 6 DSR – Data Set Ready
COM – Common (Sig. Gnd) 5 5 COM – Common (Sig. Gnd)
DSR – Data Set Ready 6 4 DTR – Data Terminal Ready
RTS – Request To Send** 7 1 DCD – Data Carrier Detect
CTS – Clear To Send** 8 1 DCD – Data Carrier Detect
**Note: Pins 7 and 8 (RTS, CTS) on both the DB-9 Male and DB-9 Female side are tied
together and connected to pin 1 (DCD) of the other side.
17.6. ASE RS-232 Monitor Adaptor Cable
DB25 Female
DB25 Female DB25 Male
8 ft.
2
3
4
5
6
7
8
15
17
20
24
2
3
4
5
6
7
8
15
17
20
24
Transmit Data
Receive Data
Request to Send
Clear to Send
Data Set Ready
Signal Ground
Carrier Detect
Transmit Clock
Receive Clock
Unused
Data Terminal
Ready
3 4 5 7 8 3 4 5 7 8
NOTE: Pins 4 and 5 are
jumpered within the
connector
1 ft. (cable length)
APPLIED SYSTEMS ENGINEERING, INC.
TGEN-110 Monitor Adaptor Cable
Revision 2 4/5/2001
NOTES:
1. 24 Guage Wire
2. Unshielded Cable
Please label
connector "DTE"
Please label
connector "DCE"
(DTE) (DCE)

Applied Systems Engineering ASE2000 Specifications

General

Brand	Applied Systems Engineering
Model	ASE2000
Category	Measuring Instruments
Language	English