D-Link DVS-301 User Manual
Page 57
Building Networks for People
DVS-301 User Manual v1.00
51
Modem and dialup settings
In PPP interface, a modem option will work instead of camera control. Configurations include
modem initialization and outside dial-up server. If the users will setup with external sensors and
alarms for property security, dial-out is needed to send some snapshot-attached e-mails when
the preset conditions are triggered. In such applications, also remember to choose Network
option to enter mail server address and recipient's e-mail address. If "Dialout allowed" is not
checked, Video Server will not send out any snapshots when events occur and the settings
except for "Initial modem command" in this page will have no effect. The system will preset
the attached modem to eliminate echo and mute line sound. To initialize the modem with further
commands, type into the edit box. The prefix "AT" should be included.
Administrators should choose an appropriate "Dial Method" according to the local POTS
environment. An incorrect dialing prefix may cause Video Server to fail when dialing out.
"Redial attempts" means how many times Video Server should try to connect to each ISP.
Setting the value in "Disconnect after minutes" will force Video Server to drop the connection
when there is no activity on the connection for the specific period. The range of this period is
from 1 to 240 minutes, with 0 indicating a continuous connection. Administrators may let Video
Server keep the connection for a while to allow connections from outside. The IP address given
by the ISP can be taken from the connection log that is mailed or uploaded when dial-up
connection is successful. Setting the value to zero will make Video Server always keep the