Toshiba DK 16 manual Internal, Strata DK8 or DK16 Qstu or Kstu Line, Public, Telephone Line

10.84Internal PC to External PC Test Call Using AT Commands (see Figure 7-36)

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, 06, and 17 ON; all other LEDs OFF.

•Program 21: Digital port 04 assigned with KSTU port 08.

•Program 39: Port 00. Data Call (56),

Data Release (54), and Modem (55) buttons should be provided.

•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.).

INSTALLATION-PERIPHERALS

SECTION 100-816-207

MARCH 1993

3)From PC 1’s keyboard, type A T D D 1 4 and press ENTER (AT commands must be capi- tal letters).

•The Data Call LED on DKT 14 will be lit.

•The CONNECT LED on PDIU-DS 14 will be lit.

•The screen on PC 1 displays, CON- NECT XXXX, where XXXX is the data transmission speed set by the communi- cations software.

•At this time, PC 1 and PDIU-DS 14 are connected as shown by the thick lines above (PDIU-DS 14 is in the communica- tion mode); PC 1 is now linked directly to the RS-232 side of the internal modem; PC 1 can issue AT commands to the internal modem, which is now in the command mode.

•If Digital/PDIU-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.

		MDF
		INTERNAL
		MODEM
		(18)
RS-232		PDIU-DS
DIU	TOSHIBA
POWER	READY CONNECT	(14)
	LAPTOP PC 1
		MDF
RS-232	DKT/PDIU-DI
	(10)

STRATA DK8 OR DK16

QSTU OR	CO
KSTU
	LINE 1
(PORT 08)
DIGITAL
(PORT 04)

DIGITAL

(PORT 00)

583-3700

MDF

PUBLIC

TELEPHONE

NETWORK

TELEPHONE
LINE	RS-232
674-4700
EXTERNAL
MODEM
(AUTO
ANSWER)
LAPTOP
PC 2

FIGURE 7-36

DK8 AND DK16 INTERNAL PC TO EXTERNAL PC TEST CALL USING AT COMMANDS

7-53