
B-63354EN/04 VI. MAINTENANCE 1.Series 16i
ii
i/18i
ii
i/21i
ii
i-A/PMi
ii
i MAINTENENCE INFORMATION
- -351
1.4 HOW TO INVESTIGATE THE COMMUNICATION LINE
STATUS
You can learn the communication line status by investigating the state
of the communication LSI on the Ethernet board. You can confirm this
state in the PMC CONTENTS OF MEMORY screen.
Follow the procedure below to investigate the communication line
status.
Procedure
(1) Check the value (????????) in Maintenance Information =
0x???????? displayed on the SYSTEM ERROR screen that is one
of the error message screens specific to the Ethernet functions. To
display the SYSTEM ERROR screen, see "II Operation, 2.1 Error
Message Screen."
Example:
Enter "41003100" using the MDI keys, and press soft key
[SEARCH].
(2) Press function key
SYSTEM
.
(3) Press soft key [CONT] at the bottom right of the soft key menu.
(4) With Series16i/18i/21i-A, Press soft keys [PMC], [PMCDGN]
and [M.SRCH] to display the PCM CONTENT OF MEMORY
screen.
With Series16i/18i/21i-B, Press soft keys [PMC], [DGNOS] and
[MEM] to display the PCM MEMORY DISPLAY screen.
Note that, with the Series 16i/18i/21i-B, soft keys [PMC],
[PARAMETER], and [K RELAY] must be pressed in advance to
set keep relay K900#3 to 1.
(5) Enter the address next to Maintenance Information checked in (1)
using the MDI keys and a soft key.
Example:
Enter "41003100" using the MDI keys, and press soft key
[SEARCH].
(6) Press soft key [WORD] to clean up the screen.
(7) The following screen is displayed.
CAUTION
If the wrong address in memory is displayed, a
system error occurs. Pay special care when
specifying the address.
NOTE
Sometimes the PMC CONTENT OF MEMORY
screen is not displayed depending on the system. If
this screen is not displayed, consult the
manufacturer.