8-63
INSTALLATION-PERIPHERALS
SECTION 400-096-208
SEPTEMBER 1992
PSTU
OR
PESU
(PORT 08 )
PDKU
(PORT 04)
DIU
POWER
READY
CONNECT
TOSHIBA
MDF
RS-232
INTERNAL
MODEM
(208)
PDIU-DS
(204)
EXTERNAL
MODEM
MDF
PCOU
LINE 1
PUBLIC
TELEPHONE
NETWORK
583-3700
TELEPHONE
LINE
674-4700
RS-232
LAPTOP
PC 2
STRATA DK
(Release 3 or higher)
PDKU
(PORT 00)
LAPTOP PC 1
RS-232
DKT/PDIU-DI
(200)
MDF
FIGURE 8-41
EXTERNAL-PC-TO-INTERNAL-PC TEST CALL USING AT COMMANDS
XXXX, where XXXX is the data transmis-
sion speed set by the communication
software.
•
At this time PC 1 and PC 2 are con-
nected, as shown by the thick solid lines,
to exchange data (file transfers, type
messages, etc.).
6) To terminate the call:
a) Type the modem escape sequence from
either PC keyboard.
•
The PC screen displays, OK.
b) Type
A T H
from the PC keyboard used
in Step 5a.
•
PC 1 and PC 2 screens both display,
NO CARRIER.
c) Press the
DataÍRelease
(
DRLS
) but-
ton on DKT 200.
•
The Data Call (DATA) LED on DKT
200 will be unlit.
12.85 External-PC-to-Internal-PC Test Call Us-
ing AT Commands (see Figure 8-41)
1) DIU Programming:
•
Program 20: Port 00. LEDs 01, 02, and
17 ON; all other LEDs OFF.
•
Program 20: Port 04. LEDs 01, 02, 03,
04, 05, 06 and 17 ON; all other LEDs
OFF.
•
Program 21: PDKU Port 04 assigned
with PSTU Port 08.
•
Program 39: Port 00.
DataÍCall
(
DATA
)
(Code 56),
DataÍRelease
(
DRLS
) (Code 54), and
Modem
(
MO-
DEM
)
(Code 55) buttons should be pro-
vided.
•
Program 81: Port 08. LED 01 ON (CO
line 01 rings PSTU port 08).
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