Pc-To-Pc Test Call Using At Commands - Toshiba Strata DK24 Installation And Maintenance Manual

§
If more than one modem/PDIU-DS pair is
configured as a system modem pool, the
PDIU-DSs should be set to hunt each
other in Program 22. The modem PSTU
or PESU ports should be set to hunt each
other in Program 33.
•
Program 31
§
LED 18 should be turned on for all PESU
or PSTU station ports that are connected
to modems. This provides data security
by preventing Executive or Privacy Over-
ride of modem calls.
12.63 Modem Setup Recommendations.
1) Always change the escape sequence of the
modem from "+ + +" to some other ASCII
character. (ATS2 = ___ command to modem.)
2) Set the modem to recognize the DTR signal to
disconnect. (AT&D2 command to modem.)
3) When the modem tracks the DCD signal,
issue AT&C1 command to modem.
RS-232
RS-232
FIGURE 8-38

PC-TO-PC TEST CALL USING AT COMMANDS

12.70 PDIU-DS Disassembly and Assembly
12.71 To set the jumper plugs (P1 ~ P9) on the
PCB inside the PDIU-DS for DCE or DTE opera-
tion, the PDIU-DS must be disassembled. Disas-
semble the PDIU-DS in accordance with the follow-
ing steps:
12.72 Disassembling the PDIU-DS
1) Remove the four screws securing the bottom
2) Remove the bottom panel.
3) Remove the PCB inside the PDIU-DS by
4) Turn the PCB over and set the jumper plugs
LAPTOP PC 1
MDF
DKT/PDIU-DI
(200)
LAPTOP PC 2
MDF
DKT/PDIU-DI
(201 )
8-59
INSTALLATION-PERIPHERALS
SECTION 400-096-208
SEPTEMBER 1992
panel to the rest of the unit. (See Figure 8-37.)
These screws are not captive; so place to-
gether where they can be easily accessed.
lifting the back panel from its side grooves.
(P1 ~ P9) as follows:
•
If the PDIU-DS is connected to a DTE,
STRATA DK
(Release 3 or higher)
PDKU
(PORT 00)
PDKU
(PORT 01)