X4-A11-W-A Digi International, X4-A11-W-A Datasheet - Page 200
X4-A11-W-A
Manufacturer Part Number
X4-A11-W-A
Description
PORT XBEE 802.15.4 - WIFI802.11G
Manufacturer
Digi International
Series
ConnectPort™ X4r
Specifications of X4-A11-W-A
Function
Transceiver, Xbee, Gateway
Modulation Or Protocol
802.15.4 Zigbee
Frequency
2.4GHz
Interface
1 USB, 1 RS-232, 1 RJ-45
Sensitivity
-93dBm
Power - Output
15dBm
Data Rate - Maximum
54Mbps
Voltage - Supply
6 V ~ 30 V
Wireless Frequency
2.4 GHz
Interface Type
RS-232, Ethernet, SMA
Security
NAT, DES, 3DES, 256 bit AES
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Applications
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
NS9360
Other names
602-1109
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SureLink statistics
Digi SureLink ™ provides an “always-on” mobile network connection to ensure that a Digi device
is in a state where it can connect to the network. The statistics displayed for Digi SureLink pertain
to the periodic tests, known as Link Integrity Monitoring tests, that are run over the established
PPP connection to ensure that end-to-end communication is possible. There are three Link
Integrity Monitoring tests available: Ping Test, TCP Connection Test, and DNS Lookup Test. For
descriptions of these tests, see "Link integrity monitoring settings" on page 117. In these SureLink
statistics, a “session” is a PPP session. The session statistics are reset to zero at the start of a new
PPP connection. The “total” statistics are the accumulated totals for all sessions since the device
booted. The “tests” are the SureLink Link Integrity Monitoring tests that have been configured to
be run when the mobile network connection is established.
session successes
session failures
session consecutive failures
session bypasses
total successes
total failures
total link down requests
total bypasses
The number of times a configured test was attempted and succeeded in the current PPP
session.
The number of times a configured test was attempted but failed in the current PPP session.
The number of consecutive failures for a test, with no success. When a test is successful, the
consecutive failures counter is reset to zero. The consecutive failures counter indicates a
device's “progress” toward the configured maximum number of consecutive failures, after
which the PPP link is taken down (and restarted).
If a configuration parameter is bad, a test is bypassed rather than considered to have
succeeded or failed. This means the test was not run. If the PPP connection goes down while
a test is in progress, that test may be classified as bypassed, since it could not be run. (Note
that the PPP link may come down for many reasons, independent of SureLink testing.)
The total number of times a configured test was attempted and succeeded since the Digi
device was booted.
The total number of times a configured test was attempted but failed since the Digi device
was booted.
The number of times the SureLink feature has failed consecutively the configured number of
failures and, as a result, requested that PPP shut down and restart its connection. This statistic
counts such occurrences during the current device boot. SureLink itself does do the PPP stop/
start; it sends a message to PPP asking it to do so, owing to a Surelink test failure.
The total test bypasses (see “session bypasses”) since the Digi device was rebooted.
M o n i t o r a n d m a n a g e D i g i d e v i c e s
2 0 0
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