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INSTALLATION-PERIPHERALS
SECTION 100-816-207
MARCH 1993
7-54
4) From PC 1’s keyboard, type A T D T 7 0 1
6 7 4 4 7 0 0 and press ENTER.
The internal modem (18) goes off-hook,
dials 701 to seize the CO line, and then
dials the external modem’s telephone
number (674-4700).
The external modem rings and auto an-
swers; the modems handshake and es-
tablish communications.
If the modems send result codes, the
screen on PC 1 displays, CONNECT
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 lines above,
to exchange data (file transfers, type
messages, etc.).
5) To terminate the call: Press the telephone
Data Release button and;
a) Type + + + from PC2 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.
The Data Call LED on DKT 10 will be
unlit.
10.85 External PC to Internal PC Test Call Using
AT Commands (see Figure 7-37)
1) DIU Programming:
Program 20: Port 00. LEDs 01, 02, and
17 ON; all other LEDs OFF.
FIGURE 7-37
DK8 AND DK16 EXTERNAL PC TO INTERNAL PC TEST CALL USING AT COMMANDS
QSTU OR
KSTU
(PORT 08)
DIGITAL
(PORT 04)
DIU
POWER READYCONNECT
TOSHIBA
MDF
RS-232
INTERNAL
MODEM
(18)
PDIU-DS
(14)
EXTERNAL
MODEM
MDF
CO
LINE 1
PUBLIC
TELEPHONE
NETWORK
583-3700
TELEPHONE
LINE
674-4700
RS-232
LAPTOP
PC 2
STRATA DK8 OR DK16
DIGITAL
(PORT 00)
LAPTOP PC 1
RS-232
DKT/PDIU-DI
(10)
MDF