Ppp - Sierra Wireless AirLink ES440 User Manual

Table 10-4: Serial Port Configuration > UDP
Field
UDP Serial Delay
(.1 second)
UDP Keepalive
(seconds)
Rev 1 Nov.14
Description
Waits the specified delay before sending the first received UDP packet and the subsequent
UDP packets out to the port Ethernet (in 100 ms units).
•
No UDP packet delay (default)
•
1–255— Delay in 100ms units, from 100 ms to 25.5 sec.
You can also use an AT command to configure this field. See
Use this field to configure the time interval (in seconds) for sending UDP keepalive packets.
Options are:
•
1–65535—ALEOS sends a UDP packet, containing the AirLink device's IMEI (in little
endian) to the configured Destination IP Address:Destination Port when the UDP
connection is first established and then at the configured interval.
If the AirLink devices WAN IP address changes, a UDP packet is sent and the timer is
reset.
•
0—UDP Keepalive is disabled. (default)

PPP

Use Point-to-Point Protocol (PPP) to establish a connection between a host PC
serial port and the AirLink device, as shown in
PPP connection
Host PC
Figure 10-5: PPP connection
Figure 10-6: ACEmanager: Serial > Port Configuration > PPP
Serial cable
AirLink device
Serial Configuration
*USD on page 324.
Figure 10-5.
Internet
WAN connection
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