6F8C0904 233
G
G.2 Revision K
Here, the item corrected by the firmware revision K is explained.
The firmware revision K is introduced from the product after the serial number
"02Z00001" of EN311.
Also in EN311 to which the serial number before "02Z00001" is attached, when the seal
of "K" is stuck on the end of EN311 serial number, a firmware is upgrade ending at
Revision K.
Table G-2 Comparison of a firmware (before Revision K and Revision K)
No
1 The measure against socket receiving data overwrite
Revision K When receiving data using two ( or more ) socket interface, the
receiving data of Socket n is not overwritten with the receiving data of
Socket m (n<m).
Before Revision K When receiving data using two ( or more ) socket interface,The
receiving data of Socket n may be overwritten with the receiving data of
Socket m (n<m).
This phenomenon may be generated with both a TCP socket and an
UDP socket. However, this phenomenon will not be generated if it is the
following socket use method.
1 Only one socket is using.
2 Even if two (or more) sockets are used, the socket for receiving
data is only one.
3 Even if two (or more) sockets are used for receiving data, the
timing to which data reaches EN311 does not overlap.
4 Even if the timing to which data reaches two (or more) sockets has
overlapped, when the exclusive operation of the issue of a receive
request (RECV command) of T3H is carried out for every socket.
Exclusive operation
While publishing a receive request of a certain socket, please do
not publish a receive request to other sockets.
Manufacture year/month (December, 2002 is expressed )
The contents of a serial number
02Z00001
The reference number in the December, 2002 production lot
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