User`s guide
MAINTENANCE & DIAGNOSTIC
Page 64 User’s guide ref 9018809-01 XSRING+ SHDSL switch
1.3.2 SHDSL counters
That page is divided in two parts; it displays the “SHDSL counters” table and the “SHDSL counters
history” table.
The shdsl counter table reports the number of seconds with and without errors in the shdsl data flow.
The shdsl counter history table is a log which reports the same information but hour by hour.
• SHDSL counters
That menu reports the SHDSL counters in conformance with the G821 norm.
the counters starts from the moment the reset button is pressed.
That counter refers to the errors in the received SHDSL data flow.
Errors free seconds counter (EFS) :
The counter reports the number of seconds without errors since the reset button has been pressed.
Erroneous seconds counter (ES) :
The counter reports the number of seconds with isolated errors since the reset button has been
pressed.
Severely erroneous seconds counter (SES) :
The counter reports the number of seconds with an important number of errors since the reset button
has been pressed.
Unavailable seconds counter (US) :
The counter reports the number of seconds including unavailable data because of errors since the
reset button has been pressed.
Not connected seconds counter (NCS) :
The counter reports the number of seconds during which the shdsl connection has remained
disconnected.
• SHDSL counters history table
The “shdsl counter history table logs the same information but hour after hour.
It makes possible to understand if errors occur at a certain time of the day; it makes possible to
understand if errors are in relation with an event such as an electric motor start or with another
disturbance.
1.4 Serial gateway
That page displays the current status of the serial gateways :
Type of the gateway(Modbus, RAW, Telnet …),
serial port set-up (data rate etc…),
number of characters received or sent,
Number of TCP frames or UDP datagrams received or sent,
Number of TCP connections enabled.
The View link displays a window which shows the hexadecimal received and transmitted traffic over
each serial COM port.
It can be a great help for trouble shooting.
.