Kikusui KJM6335, Operation Manual, Page: 106 / 129

5-2 Control Using EXT I/O KJM6335
5.2 Description of the EXT I/O Connector
Terminal
The EXT I/O connector is a 25-pin D-sub connector (female). The
signal level is TTL level.
1 13
25 14
GND
GND
GND
GND
DEC
INC
GND
MEM4
MEM3
MEM2
MEM1
PO 3
PO 2
PO 1
PO 0
RTN
N.C
NOGO 7
GO
IN MEAS
RANGE
N.C
PI 3
PI 2
PI 1
PI 0
Fig. 5-1 Connections of EXT I/O Connector Pins
Pin number Name In/out Function
1 GND - Ground
2 to 5 PO0 to PO3 OUT Four-bit output ports
6 to 9 MEM1 to MEM4 OUT Output of setup memory address
10 GND - Ground
11 INC IN Increment of setup memory address
12 DEC IN Decrement of setup memory address
13 GND - Ground
14 GND - Ground
15 to 18 PI0 to PI3 IN Four-bit input ports
19 N.C - Spare terminal (Leave this pin unconnected.)
20 IN MEAS RANGE OUT
Output indicating whether jitter is within the
measuring range
21 GO OUT Judgement output
22 NOGO OUT Judgement output
23 N.C - Spare terminal (Leave this pin unconnected.)
24 RTN IN Return of setup memory address
25 GND - Ground
Table 5-1 Pin Configuration of the EXT I/O
Connector