Toshiba Strata DK 280 Installation Manual page 660

Flowchart 12-8
Remote Maintenance Faults
If a digital or electronic telephone
Read the Sections 13.1 - 13.7. This chart assumes
that 280Admin/280Backup or the remote terminal
and modem have no fault and that Remote
Maintenance does not operate.
4
Check that the RSIU, RMDS, IMDU, RSSU, PIOU,
or PIOUS is installed correctly per
Chapter 4-Printed Cicuit Boards.
Check that the baud rate switch (SW2, push-button
switch on PIOU/PIOUS) is set to the correct position
(300 bps LED ON, 1200 bps LED OFF) to match
the remote terminal baud rate.
If using RSIUIRSISIRMDS, check that Program 76
settings match that of the 280AdmitV280Backup PC
and modem or remote terminal/modem.
Check that the communication parameters of
the remote terminal are set to match the PIOU or
PIOUS TTY port or IMDU (7-data bits, even parity,
l-stop bit).
Correct as necessary.
I
PC or external modem connected
to RSIU, RSIS, RSSU, PIOU,
PIOUS TTY port
+
8-B
4
RMDS modem installed on RSIU
-or-
IMDU modem installed
on PIOU or PIOUS
t
8-D
i
Check that PIOU/PIOUS SW3 switch is in the
TTY position (RSSU TTY is always enabled).
8-C
Check that the modem, PC, or terminal
connected to the TTY port is wired correctly
per Chapter 13-Remote Maintenance or
RSIU/RSIS, RSSU, PIOU/PIOUS MDF wiring
in Chapter 7-Wiring Diagrams or
280AdmirV280Backup user guide.
Correct above if necessary or
replace RSSU, PIOU or PIOUS.
6
L
I
Check that the PIOU/PIOUS SW3
switch is in the MODEM position.
Enable the RMDS or IMDU by turning LED 14
3N in Program 77-1.
l
If required, assign CO lines for DISA or to
ring IMDU in system Program 78, Code
51-53.
l
When calling RMDS or IMDU via DISA or
ring transfer, dial #I 9.
l
If calling RMDS or IMDU via DID lines, call
the station 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 RMDS, IMDU, PlOU(S), or RSIU.
I
l
The TTY port is the top modular
jack (SMDR is bottom) of the
PIOU/PIOUS/RSSU.
l
The modular cord connecting the
TTY port to the terminal or external
modem must be 6-wires.
l
TTY can be any jack on
RSIU/RSIS-see Proaram 76.
1 k
-I
12-14 January 1996