B. Making Your Own Cable
B-4
UniSite-xpi User Manual
Pin Functions When In
DTE Mode
The following table explains the function of the pins on the Terminal and
Remote ports when connected to DTE equipment.
Pin
Signal
Description
1
Ground
Provides a safety ground connection.
2
Receive Data
Carries the received data from the DTE
device to the programmer.
3
Transmit Data
Carries the transmitted data from the
programmer to the DTE device.
4
Request to Send
This line is held high by the programmer.
5
Clear to Send
A high on this line from the programmer
means that it is ready to receive data.
(Used for hardware handshaking.)
6
Data Set Ready
This line is held high when the
programmer is ready to transfer data.
7
Signal Ground
Provides a reference ground for all signals
on the cable.
8
Data Carrier
This line is held high by the programmer.
9-19
No Connection
20
*
*
If this line is not connected, the programmer will consider it high and will function
normally.
Data Terminal
A high on this line enables the
programmer to transmit data. (Used for
hardware handshaking.) A low inhibits
data transmission from the programmer.
21-25
No Connection
Summary of Contents for UniSite-xpi
Page 2: ...981 0014 UniSite Programming System User Manual Also Covering Legacy UniSite Programmers ...
Page 72: ...2 Setup and Installation 2 42 UniSite xpi User Manual ...
Page 134: ...3 Getting Started 3 62 UniSite xpi User Manual ...
Page 238: ...5 Computer Remote Control 5 10 UniSite xpi User Manual ...
Page 296: ...6 Translation Formats 6 58 UniSite xpi User Manual ...
Page 402: ...Keep Current Subscription Service 6 Keep Current ...