Hitachi CU-HD500, Operating Instructions Manual

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17
Service information
COMMUNICATION (25pin D-sub male:RDBD-25P-LNA(4-40)(55))
1 13
14 25
Plug CU mainframe
Contact
supply
Voltage
supply
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
Pin Signal
1 SYS2
2 SYS1
3 SYS0
4 PD OUT (C) 2W : OUT/IN(C)
5 PD OUT (H) 2W : OUT/IN(H)
6 PD SHIELD
7 PD IN (C) 2W : NC
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
12 ENG IN (C) 2W : NC
13 ENG IN (H) 2W : NC
14 GND
15
16 NC
17 TALLY COMMON →TALLY COMM
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)
17
18
19
TALLY COMM
Contact
supply
Voltage
supply
TALLY IN
24V
TALLY ; CU internal circuit