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SETUP FOR RS-232C OR RS-485 USE
Setup for RS-232C or RS-485 Use
1 Press the MENU button to display the (MAIN MENU
1) menu.
2 Press the SHIFT ] (or \) button until the (MAIN
MENU 2) menu is displayed.
3 Press the SHIFT ] (or \) button to select the “1.
RS-485 SET (or RS-232C SET)” line, then press the
MENU button.
ø
The (RS-485 SET (or RS-232C SET)) menu
appears.
@@@<RS-485@SET>
@DATA@SPEED@@@@@19200
@STATUS@INFO@@@@Y
@ALARM@INFO@@@@@Y
ø
The menu name will depend on the DIP switch 9
setting. When down (RS-232C SET) is displayed
and when up (RS-485 SET) is displayed.
ø
The STATUS INFO and ALARM INFO lines are
only displayed when DIP switch 9 is set to 485.
4 Press the DATA l (or j) button to set the desired
transfer speed.
5 Press the SHIFT ] button, until the “STATUS INFO”
setting is flashing.
6 Press the DATA l (or j) button to set the desired
setting.
Y . . . . . . . . . The VCR status information (state
information and warning state) and
mode changes are output at the
RS-485 connector.
N . . . . . . . . . The VCR status information (state
information and warning state) and
mode changes are not output at
the RS-485 connector.
7 Press the SHIFT ] button, until the “ALARM INFO”
setting is flashing.
8 Press the DATA l (or j) button to set the desired
setting.
Y. . . . . . . . . . The VCR alarm information (alarm
recording start and stop) and video
loss information are output at the
RS-485 connector.
N . . . . . . . . . The VCR alarm information (alarm
recording start and stop) and video
loss information are not output at
the RS-485 connector.
9 Press the MENU EXIT button to save the setting.
RS-485 RJ-11 connector layout
NOTE:
Do not connect to phone line.
Pin number
Connector A
signal
Connector B
signal
1 Not used Not used
2 Not used Not used
3AB
4BA
5 Not used Not used
6 Not used Not used
A: Non-inverting driver output/receiver input
B: Inverting driver output/receiver input
RS-485 Connection
This VCR can use the straight type or crossed type
connecting cables.
If using a straight type cable, connect it from the “A” to the
“A” or from the “B” to the “B” RS-485 connector.
If using a crossed type cable, connect it from the “A” to
the “B” or from the “B” to the “A” RS-485 connector.
Types of cables
Straight type: A cable with pin connection number
correspondence (e.g. pin 1 to pin 1, pin 2
to pin 2, etc.).
Crossed type: A cable without pin connection number
correspondence.
2400 4800 960019200
1 6
RD2QD/NA (DTL-4800 GB) Tue. Aug., 08/2000
English 47