Digidim RS232 사용자 설명서 - 페이지 7
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페이지 인쇄Digidim 503AV / 505 RS232 AV Interface User Guide
3.2. 505 Interface RS232 Connector
The 505 interface uses the industry standard 9-way D-type socket connector. All
connections conform to the conventional pin designations. The interface uses the transmit
(TX), receive (RX), request to send (RTS) and data terminal ready (DTR) connections. The
new interface does not use the ground connection.
Note:
All unspecified pins have no connection.
Old Interface (Black Case)
RS232
power
9-way D-type
socket
New Interface (Transparent Case)
RS232
power
+
-
not used GND 5
9-way D-type
Socket
Doc. No. 7860076
Interface
RX
3
TX
2
RTS
7
DTR 4
GND 5
Interface
DCD 1
RX
3
TX
2
RTS
7
DTR 4
Host
TX
RX
RTS
Set Both
DTR
to High
GND
Host
TX
RX
RTS
Set to High
DTR Set to Low
GND
Page 5
Helvar Ltd.
Issue 8