5. SYSTEM MODE

EO18-33027

5.3 SELF-DIAGNOSTIC TEST

Expansion I/O check contents

EXP.I/O NG

OK: Normal data

NG: Abnormal data or the loop-back jig is not connected.

Expansion I/O

Connect the cable as illustrated below, then check the high output/high input, low output/low input.

.

R

R

R

R

R

R

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

VccGND

LED R

Internal serial I/F check contents

EX.232C NG

R = 300 Ohms

Connector: FCN-781P024-G/P

OK: Normal data

NG: Abnormal data or the loop-back jig is not connected. Internal serial I/F

5-20

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Image 68
Toshiba B-EX4 manual Expansion I/O check contents, Exp.I/O Ng, Internal serial I/F check contents EX.232C NG