Toshiba Strata DK 280 Installation Manual page 259

General Notes:
l
When PDIU-DS is connected with
modified RS-232 cable, the
READY LED will not light until the
External and Internal modem
establish carrier detect.
l
See Subsection 6.9.6, paragraph
3 and Figure 6-29 for more
de tails.
RS232 CABLE MODIFICATION (SEE FIGURE 6-29)
PDIU-DS MODEM
2
TD-----
JUMPER WIRE
3
RD----
JUMPER 4 RTS ~ I/
WIRE\ 5
r-6
- CTS
-5
1
583-3700
DSR OPEN - 6
I
SG
-7
DCD -6
20
OPEN DTR 20
STRATA DK280
ISW2.4ON 14
TELEPHONE
PC2
DK0340
Figure 6-38
DK280 External PC to Internal PC Test Call Using Direct CO line Connection
W From PC 2's keyboard, type
ATDD~OO
and press + The PC screen displavs. OK.
Enter
(AT commands must be capital letters);
this prompts PDIU-DS (204) to dial and connect to
PDIU-DI (200).
+ The CONNECT LED on the PDIU-DS (204)
B. Type
ATH
from the PC keyboard used in
Step A.
+ PC
l's and PC 2's screens both display,
NO CARRIER.
will be lit; the Data Call LED on DKT 200 will
also be lit.
+ The DATA and MODEM LEDs on DKT
200 will turn off.
+ The screens on PC 1 and PC 2 display,
CONNECT
xxxx, where xxxx is the data
transmission speed set by the communication
software.
+ At this time, PC 1 and PC 2 are connected, as
shown by the thick lines, to exchange data
(file transfers, typed messages, etc.).
4 To terminate the call: press the telephone (200)
Data Release button, or
A. Type +++ from PC2 keyboard.
January
1996 6-59