SimpleComTools COM1000 User's Guide download pdf (Page 27)

Raven CDMA User Guide for Verizon, version 2.23 21

CHAPTER 5 Keepalive

It is not uncommon for your Raven to be disconnected from Verizon after an

extended period of inactivity. This is generally a feature intended to reduce your

charges for inactive use.

Keepalive is used to test and maintain the Raven’s connection to Verizon by ping-

ing an IP address after a specified period of inactivity. Keepalive is recommended

for users who have a remote terminated modem that infrequently communicates to

the network. Keepalive is also recommended if you have experienced issues where

the modem can no longer be reached remotely.

When Keepalive pings the IP address, an acknowledgement indicates there is an

active connection to the network. If the modem does not receive a response from

the IP address, it will retry 5 times in 5 second intervals. The

Raven will then reset

the radio module after 5 failed attempts and reconnect to Ve ri zo n.

Configuring Keepalive

As with all other aspects of the Raven’s configuration, you can use Wireless Ace

(page 10), AceNet (page 11), direct serial communication (page 53), or Telnet

(page 53) to configure Keepalive.

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DSC-T300/B

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