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126
4
DTR
OUT
5
GND
6
DSR
IN
7
RTS
OUT
8
CTS
IN
9
Set by jumpers
to RI, +5V, or
+12V
COM9 on 8080-0000-3B – DTE Male
DTE Signal Name
Comments
1
NC
2
RS-485B
(Standard nomenclature this
would be A)
Idles Low
3
RS-485A
(Standard nomenclature this
would be B)
Idles High
4
NC
5
GND
6
NC
7
NC
8
NC
9
Set by jumpers on J4 to NC,
+5V, or +12V
NC is configured by
selecting RI.
Note:
The Xpert provides a very weak bias to maintain the idle condition. If the connecting
device is expecting strong bus biasing, then external biasing resistors can be added. One resistor
between the COM9 pin 2 signal and ground with a second resistor between COM9 pin 3 signal
and 5 or +12V. For mild biasing, use 100K resistors. For much stronger biasing, use
10K resistors.
Содержание Xpert2
Страница 2: ......
Страница 11: ...Chapter 1 Introduction...
Страница 16: ......
Страница 17: ...Chapter 2 Getting Started...
Страница 86: ......
Страница 87: ...Chapter 4 Graphical Setup Diagrams...
Страница 104: ......
Страница 105: ...CHAPTER 5 EXAMPLE SETUPS...
Страница 128: ......
Страница 129: ......
Страница 130: ......
Страница 131: ...Chapter 7 Installation...
Страница 140: ......
Страница 141: ...Chapter 8 Maintenance and Troubleshooting...
Страница 145: ...Appendix A Setup Blocks...
Страница 266: ......
Страница 267: ...Appendix B Updating the Firmware...
Страница 290: ......
Страница 291: ...Appendix E Software Development Kit SDK...
Страница 293: ...Appendix F Creating Custom Voice Files...
Страница 330: ......