2-2
PCG-XE7 (I)
Confidential
• The serial loopback tool and the parallel loopback tool are necessary for diagnostics of the serial communication line and
the parallel communication line. Fabricate the serial loopback tool and the parallel loopback tool locally referring to the
connection diagrams shown below.
[Reference] On Parallel Loopback Tool
NOTE:
The black round mark "
z
" indicates soldering.
• Connector Types DB25P(Male)
• Interface Standard Centronics
• Loopback Status to Commands
PARALLEL LOOPBACK CONNECTOR CONNECTION DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
D0
D1
D2
D3
D4
D5
D6
D7
-ACK
BUSY
PE
SLCT
-STROBE
-AUTO FD
-ERROR
-INT
-SLCT IN
GND
GND
GND
GND
GND
GND
GND
GND
DB25P
