T61 Smart Modem
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User Guide V1.4
7.3.6.5
Flow Control
T61 in Smart Modem Mode supports CTS/RTS hardware flow control. Change the setting to ‘0’ to
disable flow control; change the setting to ‘1’ to enable it. For high speed data communication,
especially for 3G module T61-EHS5, flow control is highly recommended.
Index
0
None, to disable flow control feature
1
Enable CTS/RTS hardware flow control feature
7.3.7
Recovery Setup
This section includes parameters related to recovery and redundancy mechanisms. User is able to
define when to activate the data line connection, how to recover from data line connection lost and
how frequent the device resets itself to avoid malfunctioning.
7.3.7.1
Activation Option
This parameter defines the condition for T61 Smart Modem to start its data line connection. If this
parameter is not 0, the device will become idle after powering up and wait for the activation
condition to be satisfied.
Index
0
Automatic
– Start connection automatically upon power-up
1
Wait for SMS
– Start connection after receiving a SMS from the
. Please contact TCAM Technology if you want this feature to be
enabled.
2
Wait for Call
– Start connection after receiving a Call from the
. Please contact TCAM Technology if you want this feature to be
enabled.
3
Wait for Control SMS
– Start connection after receiving a predefined SMS.
Please contact TCAM Technology if you want this feature to be enabled.
7.3.7.2
Recovery Option
This parameter defines how T61 device should restart the connection when there is connection lost.
Index
0
Constant Retry
– T61 device will keep retrying to connect to
1
Gradually Retry
– T61 device keep retrying to connect to
after a waiting interval. This waiting interval will increase exponentially
according to the number times device resets.
2
Wait for SMS
– Upon connection lost, T61 device will retry its connection to
data center for three times. If the connection is still failed, it will become idle
and be waiting for a SMS from the
connection. Please contact TCAM Technology if you want this feature to be
enabled.
3
Wait for Call
– Upon connection lost, T61 device will retry its connection to
data center for three times. If the connection is still failed, it will become idle
and be waiting for a Call from the
connection. Please contact TCAM Technology if you want this feature to be
enabled.