Rs-232C/Rs-485 Interface; Pin Assignment; Rs-485 Terminate Switch; Setting The Transmission Mode For An Rs-232 Interface - Sony SVT-RS100 Manual De Instrucciones

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  • ESPAÑOL, página 45

RS-232C/RS-485 Interface

Pin assignment

RS-232C connector (D-sub 9-pin, female)
1
6
Pin No. Signal
Operation
2
RXD
Receive data
3
TXD
Send data
7
RTS
Request to send
5
GND
Singnal ground
RS-485 connector (RJ-11)
1
Pin No.
A terminal signal
1
Not used
2
Not used
3
A signal
4
B signal
5
Not used
6
Not used
6
1
not used
1
not used
2
3
4
not used
5
not used
6
Straight type
6
1
not used
1
not used
2
3
4
not used
5
not used
6
Cross type
6
5
9
Signal Direction
VCR T Computer
VCR t Computer
VCR t Computer
6
B terminal signal
Not used
Not used
B signal
A signal
Not used
Not used
6
1
1
2
3
4
5
6
6
1
1
2
3
4
5
6
Make the connection to the RS-485 control terminal
using a modular cable (not supplied).
• If using a straight type cable, connect it between the
A terminals, or between the B terminals (see
illustration below).
• If using a crossed type cable, connect it from the A
terminal to the B terminal, or from the B terminal to
the A terminal (see illustration below).
To terminal A
Straight-type cable

RS-485 TERMINATE switch

This switch turns on/off termination when using the
RS-485 connector.
Setting the transmission mode
for an RS-232 Interface
1
Install the SVT-RS100 into the VCR following the
procedures on page 4.
2
Press POWER (or ON) button on the VCR to turn
on the power.
3
Press the COUNTER RESET button on the VCR
for 3 seconds or more to enter the transmission
setting mode.
Note
Make sure that no cassette is in the VCR.
4
Press MENU V on the VCR to set the transmission
mode.
Each time you press MENU V, the mode changes
as follows: selecting RS-485 or RS-232C
connector to be used, setting the address (only
when using the RS-485 connector) and setting the
transmission speed (baud rate).
RS-485
A
B
To terminal A
Cross-type cable

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