Service information

COMMUNICATION (25pin D-sub male:RDBD-25P-LNA(4-40)(55)) Combined connector: 25pin D-sub female

1

13

Contact supply

14

Plug

Pin

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

 

25

 

 

CCU mainframe

 

 

 

 

 

 

Pin

Signal

 

 

1

SYS2

 

 

2

SYS1

 

 

3

SYS0

2W

: OUT/IN(C)

4

PD OUT (C)

5

PD OUT (H)

2W

: OUT/IN(H)

6

PD SHIELD

2W

: NC

7

PD IN (C)

8

PD IN (H)

2W

: NC

9

ENG OUT (C)

2W

: OUT/IN(C)

10

ENG OUT (H)

2W

: OUT/IN(H)

11

ENG SHIELD

2W

: NC

12

ENG IN (C)

13

ENG IN (H)

2W

: NC

14

GND

 

 

15

 

 

 

16

NC

→TALLY COMM

17

TALLY COMMON

18

G TALLY IN

→G TALLY IN

19

R TALLY IN

→R TALLY IN

20

NC

 

 

21

PGM2 IN(C)

 

 

22

PGM2 IN (H)

 

 

23

PGM SHIELD

 

 

24

PGM1 IN(C)

 

 

25

PGM1 IN (H)

 

 

Voltage supply

TALLY ; CU internal circuit

17Voltage Contact

18

24V

19

 

TALLY COMM

TALLY IN

20

Page 34
Image 34
Hitachi CU-HD1500 operating instructions Voltage Contact