Async Test - Toshiba T3400 Maintenance Manual

3.10 Async Test

To execute the Async Test, select 7 from the DIAGNOSTIC TESTS menu, press Enter, and
follow the directions displayed on the screen. Six subtests test asynchronous communication
functions. Move the highlight bar to a subtest and press Enter.
Subtests 01 through 04 require the following data format:
Method:
Speed:
Data:
Data pattern:
The following message will appear at the bottom of the screen when subtests 01, 03, 04, and
05 are selected:
Channel#1 = XXXXh
Channel#2 = XXXXh
Channel#3 = XXXXh
Select the Channel number (1 - 3)
The serial I/O port address is specified by the XXXXh number. Select the appropriate num-
ber and press Enter to start the subtest.
Subtest 01 Wraparound (board)
NOTE: To execute this subtest an RS-232C wraparound connector
(34M741621G01) must be connected to the RS-232C port. The wrap
-around connector wiring diagram is shown in Appendix G.
This subtest checks the data send/receive function through the wraparound
connector.
Subtest 02 Board (#1) <=> board (#2)
NOTE: To execute this subtest, an RS-232C cable (9-pin to 9-pin) must be con-
nected to boards 1 and 2. The RS-232C direct cable wiring diagram is shown in
Appendix G.
This subtest checks the data send/receive function through the RS-232C direct
cable.
3-24
Asynchronous
9600BPS
8 bits and one parity bit (EVEN)
20h to 7Eh
T3400, T3400CT