Sanyo VCC-WB4000P - Manual (Page 64)

PPP Settings
6
Click the [SET] button.
The PPP SET screen will be displayed.
7
Select the type of telephone line
(CIRCUIT TYPE).
This sets the type of telephone circuit that
the modem is connecting to.
Available settings:
•
TONE: For tone dialing circuits
•
PULSE: For pulse dialing circuits
Note: Set to “TONE” if using a terminal
adapter.
8
Type in any AT commands that are
required to control the modem.
Type in “AT” at the beginning, and then
type in the commands specified by the
modem manufacturer followed by a
command to change flow control to
software control.
9
Make the following settings if required.
A BAUD RATE: Normally “115200 bps”
B DATA SIZE: Normally “8 bits”
C PARITY: Normally “NONE”
D STOP BIT: Normally “1”
F
Once you have finished changing the
settings, click the [SET] button.
Note: After making the PPP settings, close
the camera setting screen.
☞ Modem Connections
•
The modem should be an RS-232C external
modem that is compatible with the command
set devised by Hayes Corporation of the
United States.
•
Large volumes of data may be transmitted
depending on the alarm settings, so a
high-speed modem using a protocol such as
V.90 should be used.
Note: The maximum receiving speed for the
V.90 protocol is 56 Kbps, but the
transmission speed is 33.6 Kbps.
Because of this, the maximum
transmission speed for alarm data from a
camera or the video server will be
33.6 Kbps, even for modems that use the
V.90 protocol.
•
The cameras and video server can only use
software (Xon/Xoff) flow control. In may
cases, the modems may be set up to use
hardware (RTS/CTS) flow control. In such
cases, you will need to use AT command
settings to change the modem settings to
software flow control.
•
Modem commands consist of a single line
starting with the letters “AT”, followed by the
commands as shown below. Generally you
should issue an “AT&K4” command to switch
to software flow control, but this may vary
depending on the product. Refer to the
specifications for the modem being used for
further details on this.
MODEM: INITIALIZECOMMAND AT&K4
A
B
C
D
L5AM2/XE (VCC-WB4000P) GB 2004, 2, 17
English – 63 –