5. SYSTEM MODE
EO18-33012A
5.3 SELF-DIAGNOSTIC TEST
5- 14
(9)
Expansion I/O Interface Check
EXP.I/O
OK
Connect the jig like below to the Expansion I/O PC board’s connector and perform a loop
back check.
(10)
Internal Serial Interface Check
EX.232C
NG
Connect the jig like below to the serial interface connector and perform a loop back check.
Loopback test
OK: The circuit has no problem.
NG: The circuit has a problem or loopback jig is not attached.
Expansion I/O PC board
OK: The circuit has no problem.
NG: The circuit has a problem or loopback jig is not attached.
Internal Serial Interface
R
R
R
R
R
R
R
Vcc
LED
R = 300 ohms
Connector: FCN-781P024-G/P
GND
12
11
10
9
8
7
6
4 5
3
1 2
24
23
22
21
20
19
18
16 17
15
13 14
Содержание B-SX4T Series
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