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| 型號： | RS485 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | RS-422 AND RS-485 APPLICATION NOTE |
| 中文描述： | RS - 422和RS - 485接口應(yīng)用筆記 |
| 文件頁數(shù)： | 13/18頁 |
| 文件大?。?/td> | 986K |
| 代理商： | RS485 |
RS232-RS485 Convertor Manual V1.02 28/06/01
4
2.3 J1 RS-232 Serial Communications Port
Connector type:
9-Way Male D Connector (Female)
Purpose:
Connects to PC COM port (RS-232)
This connector is an RS-232 serial port which connects to a spare RS-232 PC COM (serial)
port. The pin-out of this connector is detailed in the table below. The ‘RTS’ pin must be
asserted by the PC COM port in order to enable the RS-485 line driver.
J1 Pin-out:
Pin No. Title RS232
1
DCD
2
RXD
3
TXD
4
DTR
5
0 Volt
6
DSR
7
RTS
Description RS232
Not Connected
Receive
Transmit
Not Connected
0V
Not Connected
RS-485 Transmit ENABLE
The PC must assert this signal line in order to enable the RS-485 line
driver to allow communications from the PC to the remote RS-485
system.
Not Connected
Not Connected
8
9
CTS
RING
Figure 7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RS-485 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RS-422 AND RS-485 APPLICATION NOTE |
| RS485-232 | 制造商:PR 功能描述: |
| RS485-C1(AS) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RS232/RS485 CONV (AS) |
| RS485-C1(EU) | 制造商:Equinox Technologies 功能描述:RS232/RS485 CONV (EU) |
| RS485-C1(UK) | 制造商:Equinox Technologies 功能描述:RS232/RS485 CONV (UK) |
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