Toshiba Strata AirLink DK40i, Руководство по установке и обслуживанию

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Fault Finding
Fault Isolation Flowcharts
Strata DK I&M 6/00
14-17
Fault
F
inding
Flowchart 14-8 Remote Maintenance Faults
START
Is Remote
Maintenance connection
via external modem on TTY
port or IMDU
modem?
IMDU modem installed on
PIOU or PIOUS
8-1
END
This chart assumes that the remote
terminal and modem have no fault and that
Remote Maintenance does not operate.
Is the
fault
cleared?
Call your technical
support group.
If a digital or electronic telephone
is in the Programming mode, it is
not possible to enter the Remote
Maintenance mode.
8-5
8-4
Is the
fault
cleared?
8-3
Check that the WSIU/TSIU/PIOU/PIOUS SW3
switch is in the TTY position. For DK424 or
DK424i, check Program 76-1 and verify the
port is programmed as a 1 for TTY.
Correct as necessary.
8-2
YES
NO
Check that the modem or terminal connected
to the TTY port is wired correctly per the
WSIU/TSIU/PIOU/PIOUS, RSIU/RSIS, RSSU
MDF wiring in Chapter 10.
Correct above if necessary or replace WSIU,
TSIU, PIOU, PIOUS, or RSIU/RSIS.
The TTY port is the top modular
jack (SMDR is bottom) of the
PIOU/PIOUS.
The modular cord connecting the
TTY port to the terminal or external
modem must be 6-wires.
TTY can be any jack on
RSIU/RSIS—see Program 76. •
•
•
Check that the baud rate switch (SW2, push-button switch on PIOU/PIOUS) is set to match the remote
terminal baud rate (300 bps LED ON, 1200 bps LED OFF) .
DK40i: check that the WSIU, TSIU, IMDU, PIOU, or PIOUS is installed correctly.
DK424 or DK424i: check that the RSIU, RMDS, IMDU, RSSU, PIOU or PIOUS is installed correctly.
If using RSIU/RSIS/RMDS, check that Program 76 settings match DKi Admin/DKi Backup PC and
modem or remote terminal/modem.
Check that communication parameters of remote terminal are set to match the PIOU or PIOUS TTY
port or IMDY (7-data bits, even parity, 1-stop bit).
External modem connected
to the WSIU, TSIU, PIOU,
PIOUS TTY port
Check that the communication parameters of
the remote terminal are set to match the
IMDU (7-data bits, even parity, 1-stop bit).
Check that the PIOU/PIOUS SW3
switch is in the MODEM position.
Enable the IMDU by turning LED 14 ON in
Program 77-1.
If required, assign CO lines for DISA or to
ring IMDU in system Program 78, Code
51~53.
When calling IMDU or RMDS via DISA or
ring transfer, dial #19.
If calling RMDS or IMDU via DID lines, call
the sttion number assigned to Port 085
(RCTUB) or Port 245 (RCTUC/D) in
Program *09 or 71, 72 and 73.
Correct above if necessary or
replace IMDU or PIOU(S).
•
•
•
1886