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INSTALLATION-PERIPHERALS
SECTION 200-096-208
FEBRUARY 1991
LAPTOP PC 1
STRATA DK (Release 3)
583-3700
7-l
-
TELEPHONE
PC2
FIGURE 8-37-INTERNAL PC TO EXTERNAL PC TEST CALL USING AT COMMANDS
12.84 Internal PC to External PC Test Call Using
AT Commands (see Figure 8-37)
1) DIU Programming:
l
Program
20: Port 00. LEDs 01,02, and
17 ON; all other LEDs OFF.
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Program
20: Port 04. LEDs 01, 02, 03,
04, and1 7 ON; all other LEDs OFF.
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Program
21: PDKU port 04 assigned
with PSTU oort 08.
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Program 39:
Port 00. [iKEI (56), m
(54), and ma (55) buttons should
be provided.
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Default settings for PDIU-DI and PDIU-
DS S-Registers.
2) Make sure PC 1 and PC 2 are on-line with a
communications software package and that
the communication parameters of each PC
and communication software package are set
to the same values (data transmission rate,
parity, data bits, stop bits, flow control, etc.).
3) From PC l’s keyboard, type1~~~~~~and
press m (AT commands must be capital
letters).
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The DATA LED on DKT 200 will be lit.
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The CONNECT LED on PDIU-DS 204
will be lit.
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The screen on PC 1 displays, CON-
NECT XXXX, where XXXX is the data
transmission speed set by the communi-
cations software.
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At this time, PC 1 and PDIU-DS 204 are
connected as shown by the thick lines
above (PDIU-DS 204 is in the communi-
cation mode); PC 1 is now linked directly
to the RS-232 side of the internal mo-
dem; PC 1 can issue AT commands to
the internal modem, which is now in the
command mode.
l
If PDKWPDIU-DS port 04 is the only
DIU port connected -to the modem
(Program
20, LED 03 ON), the MODEM
LEDs on all DKTs will be lit.
8-57