Toshiba B-EX Series Operation Manual page 63

Expansion I/O check
EXP.I/O NG
Connect the cable as illustrated below, and then check the high output/high input, low output/low input.
Internal serial I/F check
EX.232C NG
OK: Normal data
NG: Abnormal data or the loop-back jig is not connected.
Expansion I/O
R
1 2 3 4
13 14 15 16
Vcc
OK: Normal data
NG: Abnormal data or the loop-back jig is not connected.
Internal serial interface
R
R
R
R
R
5 6 7 8
17 18 19 20
LED R
R = 300 Ohms
Connector: FCN-781P024-G/P
58
9 10 11 12
21 22 23 24
GND